5310-01-251-0784

Find complete technical information, availability, and procurement data for: 5310-01-251-0784
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-251-0784

Item Name Code

29730

Assigment Date

03/12/1987 (39 years ago)

A pliable rubber or composition ring-shaped element, split or jointless (solid) not encased in a metal shell, but having a spring, spreader and/or molded-in reinforcement. It is designed to be pressmounted between fixed and movable or moving parts to form a tight and effective seal.

right-hand thread direction, 0.375 inches minimum and 0.395 inches maximum overall height, prevailing torque all metal design locking feature, 2b thread class, 0.910 inches minimum and 0.937 inches maximum washer outside diameter

Product Characteristics

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

Thread Class: 2b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Washer Outside Diameter: 0.910 inches minimum and 0.937 inches maximum
Overall Height: 0.375 inches minimum and 0.395 inches maximum
Nut Style: hexagon
End Item Identification: nsn 4210-01-486-1035 tfft (tactical fire fighting truck)
Width Across Flats: 0.675 inches minimum and 0.687 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 14
Nominal Thread Size: 0.438 inches
Material: steel overall
Surface Treatment: zinc 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
131-926	Extended Washer Self-Locking Nut
231-5147	Extended Washer Self-Locking Nut
31WLF71614	Extended Washer Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-251-0784?

The FSCG of the NSN 5310-01-251-0784 is 5310

Does the NSN 5310-01-251-0784 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-251-0784 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 5310-01-251-0784 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-251-0784 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 5310-01-251-0784 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, Mar 12, 1987