HW51130-3K7

View detailed technical data, stock status, and sourcing information for: HW51130-3K7
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-260-9381

Item Name Code

29730

Assigment Date

08/07/1987 (39 years ago)

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

prevailing torque all metal design locking feature, soluble lubricant lubrication, right-hand thread direction, 0.363 inches nominal washer outside diameter, 3b thread class

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: 0.363 inches nominal
Lubrication: soluble lubricant
Overall Height: 0.233 inches nominal
Nut Style: hexagon
Width Across Flats: 0.213 inches minimum and 0.221 inches maximum
Temp Rating: 500.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Material: steel comp 4037 overall
Surface Treatment: cadmium 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
HW51130-3K7	Extended Washer Self-Locking Nut
NSA5472-3K7	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-260-9381?

The FSCG of the NSN 5310-01-260-9381 is 5310

Does the NSN 5310-01-260-9381 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-260-9381 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 5310-01-260-9381 contain precious materials?

Precious metal content is unknown

Does NSN 5310-01-260-9381 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 5310-01-260-9381 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Fri, Aug 7, 1987