5310-00-211-3431

Find complete technical information, availability, and procurement data for: 5310-00-211-3431
DODParts.com distributes related products varnishes dopes paints, aircraft parts and consumables, electrical parts, fittings and other components for the aerospace and defense industries. Submit the short price quote form for NSN 5310-00-211-3431 to receive an up to date pricing and availability quote by email.

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-211-3431

Item Name Code

05277

Assigment Date

04/18/1973 (53 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.

right-hand thread direction, prevailing torque all metal design locking feature, dry film lubricant or soluble lubricant lubrication, 3b thread class, hexagon nut style

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
Lubrication: dry film lubricant or soluble lubricant
Nut Style: hexagon
Nut Height: 1.266 inches maximum
Width Across Flats: 1.614 inches minimum and 1.627 inches maximum
Temp Rating: 450.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 12
Nominal Thread Size: 1.125 inches
Countersink Angle: 120.0 degrees nominal nut
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 125.0 microinches
Material: steel overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416 fed spec single treatment response overall
Specification/Standard Data: 80205-nas1021 professional/industrial association standard

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
MS21045L18	Hexagon Self-Locking Nut
NAS1021A18	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-211-3431?

The FSCG of the NSN 5310-00-211-3431 is 5310

Does the NSN 5310-00-211-3431 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-211-3431 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 5310-00-211-3431 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-211-3431 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 5310-00-211-3431 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Wed, Apr 18, 1973