5310-00-031-0920

Find complete technical information, availability, and procurement data for: 5310-00-031-0920
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-031-0920

Item Name Code

05277

Assigment Date

10/26/1972 (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, 0.240 inches minimum and 0.360 inches maximum nut height, 3b thread class, prevailing torque with nonmetallic insert locking feature, 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 with nonmetallic insert
Nut Style: hexagon
Nut Height: 0.240 inches minimum and 0.360 inches maximum
Width Across Flats: 0.430 inches minimum and 0.439 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unc
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.250 inches
Countersink Angle: 88.0 degrees nominal nut
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 125.0 microinches
Material: nickel alloy 400 or nickel alloy r-405 nut
Material: plastic polyhexamethylene amide locking insert
Material Document And Classification: astm d44066,comp a,type 1 assn std single material response locking insert

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-885-3703	No Name Available	02/01/1985
5310-01-021-4210	No Name Available	08/01/1992
5310-01-178-1555	No Name Available	05/01/1995
5310-01-444-5090	No Name Available	03/01/1998

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
09NE040	Hexagon Self-Locking Nut
09NE420	Hexagon Self-Locking Nut
111-5486612 ITE	Hexagon Self-Locking Nut
218017968	Hexagon Self-Locking Nut
501-7055651 ITEM 55	Hexagon Self-Locking Nut
5361662 ITEM 28	Hexagon Self-Locking Nut
5486620-0032PC3	Hexagon Self-Locking Nut
563-6405731-37	Hexagon Self-Locking Nut
581-6726888 FIND 7	Hexagon Self-Locking Nut
595-6405353-4042	Hexagon Self-Locking Nut
595-6405353-ECMM-42	Hexagon Self-Locking Nut
5D3-04012-117	Hexagon Self-Locking Nut
6305-53 PC 41	Hexagon Self-Locking Nut
67A4C1	Hexagon Self-Locking Nut
721-7068583-65	Hexagon Self-Locking Nut
721-7068584-14	Hexagon Self-Locking Nut
751-6402502 FIND 7	Hexagon Self-Locking Nut
751-6402502-7	Hexagon Self-Locking Nut
751-6402503 ITEM 7	Hexagon Self-Locking Nut
751-6402503-7	Hexagon Self-Locking Nut
751-6402601 ITEM 20	Hexagon Self-Locking Nut
751-6402601-20	Hexagon Self-Locking Nut
751-6402602 FIND 20	Hexagon Self-Locking Nut
751-6402602-20	Hexagon Self-Locking Nut
751-6402603 FIND 20	Hexagon Self-Locking Nut
751-6402604 FIND 20	Hexagon Self-Locking Nut
751-6402605-19	Hexagon Self-Locking Nut
751-6402606 FIND 19	Hexagon Self-Locking Nut
751-6402607 FIND 19	Hexagon Self-Locking Nut
751-6402608 FIND 19	Hexagon Self-Locking Nut
803-5001003-X2XX-119	Hexagon Self-Locking Nut
9NE-040MONEL	Hexagon Self-Locking Nut
F13588	Hexagon Self-Locking Nut
H577-3302-153	Hexagon Self-Locking Nut
H861-1701-65	Hexagon Self-Locking Nut
H861-1702-14	Hexagon Self-Locking Nut
M17828-4C	Hexagon Self-Locking Nut
MS17828-4C	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-031-0920?

The FSCG of the NSN 5310-00-031-0920 is 5310

Does the NSN 5310-00-031-0920 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5310-00-031-0920 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 5310-00-031-0920 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-031-0920 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 5310-00-031-0920 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Thu, Oct 26, 1972