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4 Washers

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (PEN) Filter the results in the table by unit price based on your quantity.	Qty.	Type	Material	Inside Diameter	Outside Diameter	Thickness	Thread Size	Color	Packaging
Washers Hardware Shoulder Washer SW-187-145 Bivar 1: S/1.52 498In Stock	Mfr. Part # SW-187-145 Mouser Part # 749-SW-187-145	Bivar	Washers Hardware Shoulder Washer	Datasheet	498In Stock	S/1.52 S/1.07 S/0.946 S/0.926 View S/0.743 S/0.689 S/0.599 S/0.522 S/0.498	Min.: 1 Mult.: 1	Shoulder Washer	Nylon	2.9 mm	6 mm	6 mm	4	Black	Bulk
Washers Shld Washer .125" SW-125-150 Bivar 1: S/1.52 1,280In Stock	Mfr. Part # SW-125-150 Mouser Part # 749-SW-125-150	Bivar	Washers Shld Washer .125"	Datasheet	1,280In Stock	S/1.52 S/1.23 S/0.623 S/0.58 View S/0.522 S/0.498	Min.: 1 Mult.: 1	Shoulder Washer	Polyphenylene Sulfide (PPS)	2.8 mm	7.1 mm	4.3 mm	4	Black	Bulk
Washers SHOULDER WASHER # 4 Nylon 6/6 Black 3049 Keystone Electronics 1: S/0.389 174,710In Stock	Mfr. Part # 3049 Mouser Part # 534-3049	Keystone Electronics	Washers SHOULDER WASHER # 4 Nylon 6/6 Black	Datasheet	174,710In Stock	S/0.389 S/0.288 S/0.257 S/0.218 View S/0.195 S/0.179 S/0.163 S/0.156	Min.: 1 Mult.: 1	Shoulder Washer	Nylon	2.9 mm	0.218 in	1 mm	4	Black	Bulk
Washers WASHER FIBRE #4 3116 Keystone Electronics 1: S/0.389 100,370In Stock	Mfr. Part # 3116 Mouser Part # 534-3116	Keystone Electronics	Washers WASHER FIBRE #4	Datasheet	100,370In Stock	S/0.389 S/0.16 S/0.14 S/0.117 View S/0.097 S/0.09 S/0.086	Min.: 1 Mult.: 1	Flat Washer	Fiber	3.05 mm	0.25 in	0.81 mm	4		Bulk
Washers #4 NYLON FLAT WASHER 3348 Keystone Electronics 1: S/0.389 121,568In Stock	Mfr. Part # 3348 Mouser Part # 534-3348	Keystone Electronics	Washers #4 NYLON FLAT WASHER	Datasheet	121,568In Stock	S/0.389 S/0.187 S/0.16 S/0.14 View S/0.136 S/0.113 S/0.101 S/0.09 S/0.086	Min.: 1 Mult.: 1	Flat Washer	Nylon	3.05 mm	0.25 in	0.81 mm	4		Bulk
Washers WSHR FIBER#4 .250"OD 3368 Keystone Electronics 1: S/0.389 86,065In Stock	Mfr. Part # 3368 Mouser Part # 534-3368	Keystone Electronics	Washers WSHR FIBER#4 .250"OD	Datasheet	86,065In Stock	S/0.389 S/0.179 S/0.156 S/0.132 View S/0.117 S/0.093 S/0.086 S/0.082	Min.: 1 Mult.: 1	Flat Washer	Fiber	3.05 mm	0.25 in	1.57 mm	4		Bulk
Washers #4 RETAINING WASHER 2245 Keystone Electronics 1: S/0.389 27,565In Stock	Mfr. Part # 2245 Mouser Part # 534-2245	Keystone Electronics	Washers #4 RETAINING WASHER	Datasheet	27,565In Stock	S/0.389 S/0.253 S/0.226 S/0.187 View S/0.156 S/0.14 S/0.125 S/0.117	Min.: 1 Mult.: 1	Retaining Washer	Nylon	2.6 mm	6.7 mm	0.81 mm	4		Bulk
Washers #4 RETAINING WASHER 2285 Keystone Electronics 1: S/0.662 2,965In Stock	Mfr. Part # 2285 Mouser Part # 534-2285	Keystone Electronics	Washers #4 RETAINING WASHER	Datasheet	2,965In Stock	S/0.662 S/0.553 S/0.471 S/0.389 View S/0.323 S/0.28 S/0.257 S/0.218	Min.: 1 Mult.: 1	Retaining Washer	Nylon	2.6 mm	6.7 mm	1.6 mm	4		Bulk
Washers SHOULDER WASHER #4 3053 Keystone Electronics 1: S/0.623 21,758In Stock	Mfr. Part # 3053 Mouser Part # 534-3053	Keystone Electronics	Washers SHOULDER WASHER #4	Datasheet	21,758In Stock	S/0.623 S/0.471 S/0.416 S/0.354 View S/0.292 S/0.269 S/0.241 S/0.23	Min.: 1 Mult.: 1	Shoulder Washer	Nylon	2.9 mm	0.235 in	1.2 mm	4		Bulk
Washers SHOULDER WASHER #4 3062 Keystone Electronics 1: S/0.662 16,826In Stock 20,200Expected 11/23/2026	Mfr. Part # 3062 Mouser Part # 534-3062	Keystone Electronics	Washers SHOULDER WASHER #4	Datasheet	16,826In Stock 20,200Expected 11/23/2026	S/0.662 S/0.487 S/0.436 S/0.366 View S/0.304 S/0.28 S/0.253	Min.: 1 Mult.: 1	Shoulder Washer	Fiber	2.9 mm	0.25 in	0.79 mm	4		Bulk
Washers NYLON SHOULDER 3102 Keystone Electronics 1: S/0.701 10,459In Stock	Mfr. Part # 3102 Mouser Part # 534-3102	Keystone Electronics	Washers NYLON SHOULDER	Datasheet	10,459In Stock	S/0.701 S/0.537 S/0.479 S/0.405 View S/0.335 S/0.308 S/0.276 S/0.272	Min.: 1 Mult.: 1	Shoulder Washer	Nylon	2.9 mm	0.235 in	1.2 mm	4		Bulk
Washers NYLON SHOULDER BUSHING 3103 Keystone Electronics 1: S/0.817 3,331In Stock	Mfr. Part # 3103 Mouser Part # 534-3103	Keystone Electronics	Washers NYLON SHOULDER BUSHING	Datasheet	3,331In Stock	S/0.817 S/0.615 S/0.545 S/0.463 View S/0.381 S/0.354 S/0.319	Min.: 1 Mult.: 1	Shoulder Washer	Nylon	2.9 mm	0.235 in	1.2 mm	4		Bulk
Washers .375 Flat Fibre Wshr .032 Width, #2 3117 Keystone Electronics 1: S/0.467 5,373In Stock	Mfr. Part # 3117 Mouser Part # 534-3117	Keystone Electronics	Washers .375 Flat Fibre Wshr .032 Width, #2	Datasheet	5,373In Stock	S/0.467 S/0.304 S/0.241 S/0.21 View S/0.183 S/0.156 S/0.14 S/0.125	Min.: 1 Mult.: 1	Flat Washer	Fiber	3.05 mm	9.5 mm	0.81 mm	4		Bulk
Washers #4 .25 OD FBR WSHR 3154 Keystone Electronics 1: S/0.389 20,013In Stock	Mfr. Part # 3154 Mouser Part # 534-3154	Keystone Electronics	Washers #4 .25 OD FBR WSHR	Datasheet	20,013In Stock	S/0.389 S/0.249 S/0.202 S/0.179 View S/0.148 S/0.121 S/0.109 S/0.105	Min.: 1 Mult.: 1	Flat Washer	Fiber	3.05 mm	0.25 in	1.19 mm	4		Bulk
Washers #4 .312 OD FBR WSHR 3155 Keystone Electronics 1: S/0.389 6,340In Stock	Mfr. Part # 3155 Mouser Part # 534-3155	Keystone Electronics	Washers #4 .312 OD FBR WSHR	Datasheet	6,340In Stock	S/0.389 S/0.265 S/0.234 S/0.199 View S/0.163 S/0.148 S/0.132 S/0.125	Min.: 1 Mult.: 1	Flat Washer	Fiber	3.05 mm	0.312 in	1.19 mm	4		Bulk
Washers #4 .375 OD FBR WSHR 3156 Keystone Electronics 1: S/0.389 3,020In Stock	Mfr. Part # 3156 Mouser Part # 534-3156	Keystone Electronics	Washers #4 .375 OD FBR WSHR	Datasheet	3,020In Stock	S/0.389 S/0.292 S/0.257 S/0.218 View S/0.179 S/0.163 S/0.148 S/0.136	Min.: 1 Mult.: 1	Flat Washer	Fiber	3.05 mm	0.375 in	1.19 mm	4		Bulk
Washers #4 .312 OD NYL WSHR 3157 Keystone Electronics 1: S/0.428 3,864In Stock	Mfr. Part # 3157 Mouser Part # 534-3157	Keystone Electronics	Washers #4 .312 OD NYL WSHR	Datasheet	3,864In Stock	S/0.428 S/0.335 S/0.296 S/0.249 View S/0.206 S/0.191 S/0.171 S/0.16	Min.: 1 Mult.: 1	Flat Washer	Nylon	3.05 mm	7.9 mm	1.19 mm	4		Bulk
Washers #4 FIBRE SHOLD WASH 3230 Keystone Electronics 1: S/0.934 2,975In Stock	Mfr. Part # 3230 Mouser Part # 534-3230	Keystone Electronics	Washers #4 FIBRE SHOLD WASH	Datasheet	2,975In Stock	S/0.934 S/0.782 S/0.72 S/0.588 View S/0.494 S/0.409 S/0.37 S/0.354	Min.: 1 Mult.: 1	Shoulder Washer	Fiber	2.9 mm	0.281 in	1.6 mm	4		Bulk
Washers #4 FIBRE SHDR WASHER 3231 Keystone Electronics 1: S/0.74 5,043In Stock	Mfr. Part # 3231 Mouser Part # 534-3231	Keystone Electronics	Washers #4 FIBRE SHDR WASHER	Datasheet	5,043In Stock	S/0.74 S/0.557 S/0.498 S/0.42 View S/0.346 S/0.319 S/0.288	Min.: 1 Mult.: 1	Shoulder Washer	Fiber	3.1 mm	0.312 in	1.6 mm	4		Bulk
Washers .062 #4 NYLON WASHER 3358 Keystone Electronics 1: S/0.389 35,112In Stock 16,000Expected 11/17/2026	Mfr. Part # 3358 Mouser Part # 534-3358	Keystone Electronics	Washers .062 #4 NYLON WASHER	Datasheet	35,112In Stock 16,000Expected 11/17/2026	S/0.389 S/0.261 S/0.234 S/0.195 View S/0.16 S/0.148 S/0.132 S/0.125	Min.: 1 Mult.: 1	Flat Washer	Nylon	3.05 mm	0.25 in	1.57 mm	4		Bulk
Washers NYLON WASHER MNTG 3359 Keystone Electronics 1: S/0.467 9,200In Stock	Mfr. Part # 3359 Mouser Part # 534-3359	Keystone Electronics	Washers NYLON WASHER MNTG	Datasheet	9,200In Stock	S/0.467 S/0.343 S/0.288 S/0.257 View S/0.253 S/0.21 S/0.171 S/0.156 S/0.148	Min.: 1 Mult.: 1	Flat Washer	Nylon	3.05 mm	0.312 in	0.81 mm	4		Bulk
Washers #4 SHOULDER WASHER 343 Keystone Electronics 1: S/0.856 4,235In Stock	Mfr. Part # 343 Mouser Part # 534-343	Keystone Electronics	Washers #4 SHOULDER WASHER	Datasheet	4,235In Stock	S/0.856 S/0.677 S/0.607 S/0.51 View S/0.424 S/0.37 S/0.366 S/0.327	Min.: 1 Mult.: 1	Shoulder Washer	Fiber	3.2 mm	0.312 in	1.6 mm	4		Bulk
Washers #4 SHOULDER WASHER 344 Keystone Electronics 1: S/0.584 4,346In Stock	Mfr. Part # 344 Mouser Part # 534-344	Keystone Electronics	Washers #4 SHOULDER WASHER	Datasheet	4,346In Stock	S/0.584 S/0.506 S/0.432 S/0.358 View S/0.296 S/0.261 S/0.234 S/0.206	Min.: 1 Mult.: 1	Shoulder Washer	Fiber	3.2 mm	0.312 in	1.6 mm	4		Bulk
Washers NYL Flat Wshr .250 #4 .047 width 345 Keystone Electronics 1: S/0.389 10,552In Stock	Mfr. Part # 345 Mouser Part # 534-345	Keystone Electronics	Washers NYL Flat Wshr .250 #4 .047 width	Datasheet	10,552In Stock	S/0.389 S/0.214 S/0.191 S/0.16 View S/0.132 S/0.121 S/0.113 S/0.105	Min.: 1 Mult.: 1	Flat Washer	Nylon	3.05 mm	6.4 mm	1.19 mm	4		Bulk
Washers #4 FIBER WASHER .312 348 Keystone Electronics 1: S/0.389 15,864In Stock	Mfr. Part # 348 Mouser Part # 534-348	Keystone Electronics	Washers #4 FIBER WASHER .312	Datasheet	15,864In Stock	S/0.389 S/0.288 S/0.253 S/0.214 View S/0.175 S/0.163 S/0.148 S/0.136	Min.: 1 Mult.: 1	Flat Washer	Fiber	3.05 mm	7.92 mm	0.81 mm	4		Bulk

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