5310-01-421-0490

Find complete technical information, availability, and procurement data for: 5310-01-421-0490
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-421-0490

Item Name Code

05277

Assigment Date

10/31/1995 (30 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

3b thread class, hexagon nut style, right-hand thread direction, 0.298 inches minimum and 0.328 inches maximum nut height, prevailing torque all metal design locking feature

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
Nut Style: hexagon
Nut Height: 0.298 inches minimum and 0.328 inches maximum
Width Across Flats: 0.741 inches minimum and 0.752 inches maximum
Thread Series: unjc
Thread Quantity Per Inch: 13
Nominal Thread Size: 0.500 inches
Bearing Surface Type: chamfered
Material: steel corrosion resisting 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
803-6397434-X5X XXX-036	Hexagon Self-Locking Nut
803-6397434-X5XXXX ITEM 36	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-421-0490?

The FSCG of the NSN 5310-01-421-0490 is 5310

Does the NSN 5310-01-421-0490 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-421-0490 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 5310-01-421-0490 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-421-0490 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 5310-01-421-0490 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Tue, Oct 31, 1995