938.07.18.125

View detailed technical data, stock status, and sourcing information for: 938.07.18.125
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-595-7474

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.

0.250 inches minimum and 0.266 inches maximum nut height, 0.490 inches minimum and 0.502 inches maximum width across flats, prevailing torque with nonmetallic insert locking feature, right-hand thread direction, 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 with nonmetallic insert
Nut Height: 0.250 inches minimum and 0.266 inches maximum
Width Across Flats: 0.490 inches minimum and 0.502 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.312 inches
Material: copper alloy nut
Material: plastic polyamide (nylon) locking insert
Surface Treatment: cadmium or zinc nut

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
938.07.18.125	Hexagon Self-Locking Nut
AN364-524	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-595-7474?

The FSCG of the NSN 5310-00-595-7474 is 5310

Does the NSN 5310-00-595-7474 have a Schedule B code assigned?

Yes, the Schedule B code is 7415290000

Does NSN 5310-00-595-7474 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 5310-00-595-7474 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-595-7474 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 5310-00-595-7474 was assigned to the Federal Catalog?

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