5310-00-266-4409

Find complete technical information, availability, and procurement data for: 5310-00-266-4409
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-266-4409

Item Name Code

05277

Assigment Date

01/01/1963 (63 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.

prevailing torque all metal design or prevailing torque with nonmetallic insert locking feature, 0.312 inches nominal nut height, right-hand thread direction, 0.438 inches nominal width across flats, 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 or prevailing torque with nonmetallic insert
Nut Height: 0.312 inches nominal
Width Across Flats: 0.438 inches nominal
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 28
Nominal Thread Size: 0.250 inches
Material: copper alloy overall
Surface Treatment: cadmium or zinc overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-188-1983	No Name Available	01/01/1961
5310-00-207-6400	No Name Available	05/01/1976

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
01714	Hexagon Self-Locking Nut
45501-25	Hexagon Self-Locking Nut
AN365B428	Hexagon Self-Locking Nut
MS20365B428	Hexagon Self-Locking Nut
PT99E048	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-266-4409?

The FSCG of the NSN 5310-00-266-4409 is 5310

Does the NSN 5310-00-266-4409 have a Schedule B code assigned?

Yes, the Schedule B code is 7415290000

Does NSN 5310-00-266-4409 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 5310-00-266-4409 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-266-4409 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 5310-00-266-4409 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963