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4 Hardware

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) 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: £0.094 3,864In Stock	Mfr. Part No. 3157 Mouser Part No 534-3157	Keystone Electronics	Washers #4 .312 OD NYL WSHR	Datasheet	3,864In Stock	£0.094 £0.073 £0.065 £0.055 View £0.045 £0.042 £0.038 £0.035	Min.: 1 Mult.: 1
Washers #4 FIBRE SHOLD WASH 3230 Keystone Electronics 1: £0.205 2,975In Stock	Mfr. Part No. 3230 Mouser Part No 534-3230	Keystone Electronics	Washers #4 FIBRE SHOLD WASH	Datasheet	2,975In Stock	£0.205 £0.172 £0.158 £0.129 View £0.108 £0.09 £0.081 £0.078	Min.: 1 Mult.: 1
Washers #4 FIBRE SHDR WASHER 3231 Keystone Electronics 1: £0.162 5,043In Stock	Mfr. Part No. 3231 Mouser Part No 534-3231	Keystone Electronics	Washers #4 FIBRE SHDR WASHER	Datasheet	5,043In Stock	£0.162 £0.122 £0.109 £0.093 View £0.076 £0.07 £0.064	Min.: 1 Mult.: 1
Washers .062 #4 NYLON WASHER 3358 Keystone Electronics 1: £0.086 34,425In Stock 16,000Expected 02/11/2026	Mfr. Part No. 3358 Mouser Part No 534-3358	Keystone Electronics	Washers .062 #4 NYLON WASHER	Datasheet	34,425In Stock 16,000Expected 02/11/2026	£0.086 £0.058 £0.052 £0.043 View £0.035 £0.032 £0.029 £0.027	Min.: 1 Mult.: 1
Washers NYLON WASHER MNTG 3359 Keystone Electronics 1: £0.103 6,140In Stock	Mfr. Part No. 3359 Mouser Part No 534-3359	Keystone Electronics	Washers NYLON WASHER MNTG	Datasheet	6,140In Stock	£0.103 £0.075 £0.064 £0.057 View £0.056 £0.046 £0.038 £0.034 £0.032	Min.: 1 Mult.: 1
Washers #4 SHOULDER WASHER 343 Keystone Electronics 1: £0.189 4,235In Stock	Mfr. Part No. 343 Mouser Part No 534-343	Keystone Electronics	Washers #4 SHOULDER WASHER	Datasheet	4,235In Stock	£0.189 £0.149 £0.134 £0.112 View £0.093 £0.081 £0.08 £0.072	Min.: 1 Mult.: 1
Washers #4 SHOULDER WASHER 344 Keystone Electronics 1: £0.128 4,346In Stock	Mfr. Part No. 344 Mouser Part No 534-344	Keystone Electronics	Washers #4 SHOULDER WASHER	Datasheet	4,346In Stock	£0.128 £0.111 £0.095 £0.079 View £0.065 £0.058 £0.052 £0.045	Min.: 1 Mult.: 1
Washers NYL Flat Wshr .250 #4 .047 width 345 Keystone Electronics 1: £0.086 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	£0.086 £0.047 £0.042 £0.035 View £0.029 £0.026 £0.024 £0.023	Min.: 1 Mult.: 1
Washers #4 FIBER WASHER .312 348 Keystone Electronics 1: £0.086 15,864In Stock	Mfr. Part No. 348 Mouser Part No 534-348	Keystone Electronics	Washers #4 FIBER WASHER .312	Datasheet	15,864In Stock	£0.086 £0.064 £0.056 £0.047 View £0.038 £0.036 £0.032 £0.03	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: £0.248 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	£0.248 £0.193 £0.168 £0.148 View £0.138 £0.132 £0.127 £0.12	Min.: 1 Mult.: 1
Washers Screw Insltr,#4,Natural,.084 in Lg MNI-4-5 Essentra 1: £0.18 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	£0.18 £0.142 £0.122 £0.115 View £0.108 £0.107 £0.104	Min.: 1 Mult.: 1
Standoffs & Spacers SELF RETAING CLR HLE SPACER .500" #4 2344 Keystone Electronics 1: £0.248 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	£0.248 £0.209 £0.193 £0.156 View £0.132 £0.108 £0.098 £0.092	Min.: 1 Mult.: 1
Standoffs & Spacers SELF RETAING CLR HLE SPACER .750" #4 2346 Keystone Electronics 1: £0.282 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	£0.282 £0.217 £0.194 £0.164 View £0.136 £0.123 £0.112 £0.106	Min.: 1 Mult.: 1
Washers #4 WASHER NYLON 3118 Keystone Electronics 1: £0.103 4,086In Stock	Mfr. Part No. 3118 Mouser Part No 534-3118	Keystone Electronics	Washers #4 WASHER NYLON	Datasheet	4,086In Stock	£0.103 £0.079 £0.07 £0.059 View £0.049 £0.045 £0.04 £0.038	Min.: 1 Mult.: 1
Washers .375 Flat NYL Wshr .047 Width, #4 3158 Keystone Electronics 1: £0.103 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	£0.103 £0.079 £0.07 £0.06 View £0.049 £0.045 £0.041 £0.038	Min.: 1 Mult.: 1
Washers WASHER #4 SIZE 3196 Keystone Electronics 1: £0.094 1,507In Stock	Mfr. Part No. 3196 Mouser Part No 534-3196	Keystone Electronics	Washers WASHER #4 SIZE	Datasheet	1,507In Stock	£0.094 £0.07 £0.063 £0.052 View £0.043 £0.04 £0.036 £0.033	Min.: 1 Mult.: 1
Washers .375 Flat Fibre Wshr .062 Width, #4 3197 Keystone Electronics 1: £0.094 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	£0.094 £0.07 £0.063 £0.052 View £0.043 £0.04 £0.036 £0.033	Min.: 1 Mult.: 1
Washers #4 WASHER NYL .12"ID 3200 Keystone Electronics 1: £0.12 4,159In Stock	Mfr. Part No. 3200 Mouser Part No 534-3200	Keystone Electronics	Washers #4 WASHER NYL .12"ID	Datasheet	4,159In Stock	£0.12 £0.089 £0.079 £0.066 View £0.055 £0.051 £0.046 £0.043	Min.: 1 Mult.: 1
Washers #4 SHOULDER WASHER 340 Keystone Electronics 1: £0.18 2,970In Stock	Mfr. Part No. 340 Mouser Part No 534-340	Keystone Electronics	Washers #4 SHOULDER WASHER	Datasheet	2,970In Stock	£0.18 £0.135 £0.12 £0.102 View £0.084 £0.078 £0.07 £0.065	Min.: 1 Mult.: 1
Screws & Fasteners SCREW #4 X 3/8 689 Keystone Electronics 1: £0.428 318In Stock	Mfr. Part No. 689 Mouser Part No 534-689	Keystone Electronics	Screws & Fasteners SCREW #4 X 3/8	Datasheet	318In Stock	£0.428 £0.323 £0.289 £0.244 View £0.203 £0.189 £0.17 £0.162	Min.: 1 Mult.: 1
Screws & Fasteners #4 x 1/4 H/L PAN HEAD SCREW 6004 SERPAC 1: £0.255 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	£0.255 £0.191 £0.174 £0.151 View £0.138 £0.13 £0.122 £0.115 £0.11	Min.: 1 Mult.: 1
Washers SHOULDER WASHER SW-031-145 Bivar 1: £0.135 6,353In Stock	Mfr. Part No. SW-031-145 Mouser Part No 749-SW-031-145	Bivar	Washers SHOULDER WASHER	Datasheet	6,353In Stock	£0.135 £0.105 £0.088 £0.084 £0.079	Min.: 1 Mult.: 1
Washers SHOULDER WASHER SW-032-135 Bivar 1: £0.292 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 23/11/2026 7,800 Expected 18/12/2026 Factory Lead Time: 14 Weeks	£0.292 £0.207 £0.165 £0.148 View £0.142 £0.134 £0.115 £0.10 £0.096	Min.: 1 Mult.: 1
Washers SHOULDER WASHER SW-040-140 Bivar 1: £0.248 3,215In Stock	Mfr. Part No. SW-040-140 Mouser Part No 749-SW-040-140	Bivar	Washers SHOULDER WASHER	Datasheet	3,215In Stock	£0.248 £0.193 £0.162 £0.148 View £0.141 £0.136 £0.112 £0.106 £0.105	Min.: 1 Mult.: 1
Screws & Fasteners 3/8 No.4 Hex Head SELF TAP SCREW 9575 Keystone Electronics 1: £0.196 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	£0.196 £0.153 £0.137 £0.115 View £0.101 £0.092 £0.076 £0.073	Min.: 1 Mult.: 1	No

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