HW51130-4K7

View detailed technical data, stock status, and sourcing information for: HW51130-4K7
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-262-2145

Item Name Code

29730

Assigment Date

08/25/1987 (38 years ago)

"an item designed to electrically connect and mechanically position the base of an item having plug-in-type contacts, and to facilitate replacement of the item accommodated. It includes sockets which accommodate the contacts of capacitors, coils, crystals, electron tubes, relays, semiconductor devices and vibrators. Excludes:sockets or receptacles designed to accommodate plug-in component circuit boards (printed circuit boards) and electronic modules or sub-assemblies. Also excludes:heat-dissipating (not heat-sinks) sockets for mounting "power transistors"."

3b thread class, 0.460 inches maximum washer outside diameter, 0.271 inches minimum and 0.291 inches maximum overall height, prevailing torque all metal design locking feature, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Washer Outside Diameter: 0.460 inches maximum
Overall Height: 0.271 inches minimum and 0.291 inches maximum
Nut Style: hexagon
Width Across Flats: 0.274 inches minimum and 0.284 inches maximum
Temp Rating: 450.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 28
Hardness Rating: 39.0 rockwell c minimum and 45.0 rockwell c maximum
Nominal Thread Size: 0.2500 inches
Material: steel comp 1050 washer
Material: steel comp 4037 nut
Material Document And Classification: ams5085 assn std single material response washer
Material Document And Classification: mil-s-8695 mil spec single material response nut
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty2 cl3 fed spec all treatment responses overall

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
HW51130-4K7	Extended Washer Self-Locking Nut

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-01-262-2145?

The FSCG of the NSN 5310-01-262-2145 is 5310

Does the NSN 5310-01-262-2145 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-262-2145 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5310-01-262-2145 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-262-2145 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5310-01-262-2145 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Tue, Aug 25, 1987