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4 Hardware

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	RoHS
Washers #4 .312 OD NYL WSHR 3157 Keystone Electronics 1: $0.126 3,864In Stock	Mfr. Part No. 3157 Mouser Part No 534-3157	Keystone Electronics	Washers #4 .312 OD NYL WSHR	Datasheet	3,864In Stock	$0.126 $0.098 $0.086 $0.073 View $0.06 $0.056 $0.05 $0.047	Min.: 1 Mult.: 1
Washers #4 FIBRE SHOLD WASH 3230 Keystone Electronics 1: $0.273 2,975In Stock	Mfr. Part No. 3230 Mouser Part No 534-3230	Keystone Electronics	Washers #4 FIBRE SHOLD WASH	Datasheet	2,975In Stock	$0.273 $0.229 $0.211 $0.172 View $0.144 $0.12 $0.108 $0.104	Min.: 1 Mult.: 1
Washers #4 FIBRE SHDR WASHER 3231 Keystone Electronics 1: $0.216 5,043In Stock	Mfr. Part No. 3231 Mouser Part No 534-3231	Keystone Electronics	Washers #4 FIBRE SHDR WASHER	Datasheet	5,043In Stock	$0.216 $0.163 $0.145 $0.123 View $0.101 $0.093 $0.085	Min.: 1 Mult.: 1
Washers .062 #4 NYLON WASHER 3358 Keystone Electronics 1: $0.114 34,425In Stock 16,000Expected 2026/11/02	Mfr. Part No. 3358 Mouser Part No 534-3358	Keystone Electronics	Washers .062 #4 NYLON WASHER	Datasheet	34,425In Stock 16,000Expected 2026/11/02	$0.114 $0.077 $0.069 $0.057 View $0.047 $0.043 $0.038 $0.036	Min.: 1 Mult.: 1
Washers NYLON WASHER MNTG 3359 Keystone Electronics 1: $0.137 6,140In Stock	Mfr. Part No. 3359 Mouser Part No 534-3359	Keystone Electronics	Washers NYLON WASHER MNTG	Datasheet	6,140In Stock	$0.137 $0.10 $0.085 $0.076 View $0.074 $0.062 $0.05 $0.045 $0.043	Min.: 1 Mult.: 1
Washers #4 SHOULDER WASHER 343 Keystone Electronics 1: $0.251 4,235In Stock	Mfr. Part No. 343 Mouser Part No 534-343	Keystone Electronics	Washers #4 SHOULDER WASHER	Datasheet	4,235In Stock	$0.251 $0.199 $0.178 $0.149 View $0.124 $0.108 $0.107 $0.095	Min.: 1 Mult.: 1
Washers #4 SHOULDER WASHER 344 Keystone Electronics 1: $0.171 4,346In Stock	Mfr. Part No. 344 Mouser Part No 534-344	Keystone Electronics	Washers #4 SHOULDER WASHER	Datasheet	4,346In Stock	$0.171 $0.148 $0.127 $0.105 View $0.086 $0.077 $0.069 $0.06	Min.: 1 Mult.: 1
Washers NYL Flat Wshr .250 #4 .047 width 345 Keystone Electronics 1: $0.114 10,552In Stock	Mfr. Part No. 345 Mouser Part No 534-345	Keystone Electronics	Washers NYL Flat Wshr .250 #4 .047 width	Datasheet	10,552In Stock	$0.114 $0.063 $0.056 $0.047 View $0.038 $0.035 $0.033 $0.03	Min.: 1 Mult.: 1
Washers #4 FIBER WASHER .312 348 Keystone Electronics 1: $0.114 15,864In Stock	Mfr. Part No. 348 Mouser Part No 534-348	Keystone Electronics	Washers #4 FIBER WASHER .312	Datasheet	15,864In Stock	$0.114 $0.085 $0.074 $0.063 View $0.051 $0.048 $0.043 $0.04	Min.: 1 Mult.: 1
Washers Shoulder Washer, Hi-Temp, #4 Screw, 0.150 OD / 0.185 H Busing, Black Polyphenylene Sulfide SW-185-150 Bivar 1: $0.33 195In Stock	Mfr. Part No. SW-185-150 Mouser Part No 749-SW-185-150	Bivar	Washers Shoulder Washer, Hi-Temp, #4 Screw, 0.150 OD / 0.185 H Busing, Black Polyphenylene Sulfide	Datasheet	195In Stock	$0.33 $0.257 $0.223 $0.198 View $0.184 $0.176 $0.169 $0.16	Min.: 1 Mult.: 1
Washers Screw Insltr,#4,Natural,.084 in Lg MNI-4-5 Essentra 1: $0.24 1,265In Stock	Mfr. Part No. MNI-4-5 Mouser Part No 144-MNI-4-5	Essentra	Washers Screw Insltr,#4,Natural,.084 in Lg		1,265In Stock	$0.24 $0.19 $0.163 $0.154 View $0.144 $0.143 $0.138	Min.: 1 Mult.: 1
Standoffs & Spacers SELF RETAING CLR HLE SPACER .500" #4 2344 Keystone Electronics 1: $0.33 791In Stock	Mfr. Part No. 2344 Mouser Part No 534-2344	Keystone Electronics	Standoffs & Spacers SELF RETAING CLR HLE SPACER .500" #4	Datasheet	791In Stock	$0.33 $0.278 $0.257 $0.208 View $0.176 $0.144 $0.13 $0.122	Min.: 1 Mult.: 1
Standoffs & Spacers SELF RETAING CLR HLE SPACER .750" #4 2346 Keystone Electronics 1: $0.376 286In Stock	Mfr. Part No. 2346 Mouser Part No 534-2346	Keystone Electronics	Standoffs & Spacers SELF RETAING CLR HLE SPACER .750" #4	Datasheet	286In Stock	$0.376 $0.29 $0.258 $0.219 View $0.181 $0.164 $0.149 $0.141	Min.: 1 Mult.: 1
Washers #4 WASHER NYLON 3118 Keystone Electronics 1: $0.137 4,086In Stock	Mfr. Part No. 3118 Mouser Part No 534-3118	Keystone Electronics	Washers #4 WASHER NYLON	Datasheet	4,086In Stock	$0.137 $0.105 $0.093 $0.079 View $0.065 $0.06 $0.053 $0.05	Min.: 1 Mult.: 1
Washers .375 Flat NYL Wshr .047 Width, #4 3158 Keystone Electronics 1: $0.137 2,635In Stock	Mfr. Part No. 3158 Mouser Part No 534-3158	Keystone Electronics	Washers .375 Flat NYL Wshr .047 Width, #4	Datasheet	2,635In Stock	$0.137 $0.106 $0.093 $0.08 View $0.065 $0.06 $0.055 $0.05	Min.: 1 Mult.: 1
Washers WASHER #4 SIZE 3196 Keystone Electronics 1: $0.126 1,507In Stock	Mfr. Part No. 3196 Mouser Part No 534-3196	Keystone Electronics	Washers WASHER #4 SIZE	Datasheet	1,507In Stock	$0.126 $0.093 $0.084 $0.07 View $0.057 $0.053 $0.048 $0.044	Min.: 1 Mult.: 1
Washers .375 Flat Fibre Wshr .062 Width, #4 3197 Keystone Electronics 1: $0.126 1,116In Stock	Mfr. Part No. 3197 Mouser Part No 534-3197	Keystone Electronics	Washers .375 Flat Fibre Wshr .062 Width, #4	Datasheet	1,116In Stock	$0.126 $0.093 $0.084 $0.07 View $0.057 $0.053 $0.048 $0.044	Min.: 1 Mult.: 1
Washers #4 WASHER NYL .12"ID 3200 Keystone Electronics 1: $0.159 4,159In Stock	Mfr. Part No. 3200 Mouser Part No 534-3200	Keystone Electronics	Washers #4 WASHER NYL .12"ID	Datasheet	4,159In Stock	$0.159 $0.119 $0.106 $0.088 View $0.073 $0.067 $0.062 $0.057	Min.: 1 Mult.: 1
Washers #4 SHOULDER WASHER 340 Keystone Electronics 1: $0.24 2,970In Stock	Mfr. Part No. 340 Mouser Part No 534-340	Keystone Electronics	Washers #4 SHOULDER WASHER	Datasheet	2,970In Stock	$0.24 $0.18 $0.159 $0.136 View $0.112 $0.104 $0.093 $0.086	Min.: 1 Mult.: 1
Screws & Fasteners SCREW #4 X 3/8 689 Keystone Electronics 1: $0.57 318In Stock	Mfr. Part No. 689 Mouser Part No 534-689	Keystone Electronics	Screws & Fasteners SCREW #4 X 3/8	Datasheet	318In Stock	$0.57 $0.43 $0.385 $0.326 View $0.271 $0.251 $0.227 $0.216	Min.: 1 Mult.: 1
Screws & Fasteners #4 x 1/4 H/L PAN HEAD SCREW 6004 SERPAC 1: $0.34 3,204In Stock 4,995On Order	Mfr. Part No. 6004 Mouser Part No 635-6004	SERPAC	Screws & Fasteners #4 x 1/4 H/L PAN HEAD SCREW	Datasheet	3,204In Stock 4,995On Order	$0.34 $0.255 $0.231 $0.201 View $0.184 $0.173 $0.163 $0.154 $0.147	Min.: 1 Mult.: 1
Washers SHOULDER WASHER SW-031-145 Bivar 1: $0.18 6,353In Stock	Mfr. Part No. SW-031-145 Mouser Part No 749-SW-031-145	Bivar	Washers SHOULDER WASHER	Datasheet	6,353In Stock	$0.18 $0.14 $0.117 $0.112 $0.105	Min.: 1 Mult.: 1
Washers SHOULDER WASHER SW-032-135 Bivar 1: $0.39 1,639In Stock 11,900On Order	Mfr. Part No. SW-032-135 Mouser Part No 749-SW-032-135	Bivar	Washers SHOULDER WASHER	Datasheet	1,639In Stock 11,900On Order On Order Ship Dates Mfr. No: SW-032-135 Stock: 1,639 Can Dispatch Immediately On Order: 4,100 Expected 2026/11/23 7,800 Expected 2026/12/18 Factory Lead Time: 14 Weeks	$0.39 $0.276 $0.22 $0.198 View $0.19 $0.178 $0.154 $0.134 $0.128	Min.: 1 Mult.: 1
Washers SHOULDER WASHER SW-040-140 Bivar 1: $0.33 3,215In Stock	Mfr. Part No. SW-040-140 Mouser Part No 749-SW-040-140	Bivar	Washers SHOULDER WASHER	Datasheet	3,215In Stock	$0.33 $0.257 $0.215 $0.198 View $0.188 $0.181 $0.149 $0.141 $0.14	Min.: 1 Mult.: 1
Screws & Fasteners 3/8 No.4 Hex Head SELF TAP SCREW 9575 Keystone Electronics 1: $0.262 2,051In Stock	Mfr. Part No. 9575 Mouser Part No 534-9575	Keystone Electronics	Screws & Fasteners 3/8 No.4 Hex Head SELF TAP SCREW	Datasheet	2,051In Stock	$0.262 $0.204 $0.183 $0.154 View $0.135 $0.122 $0.101 $0.098	Min.: 1 Mult.: 1	No

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