5310-00-857-4957

Find complete technical information, availability, and procurement data for: 5310-00-857-4957
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-857-4957

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.

3b thread class, right-hand thread direction, soluble lubricant lubrication, 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
Lubrication: soluble lubricant
Nut Style: hexagon
Nut Height: 0.318 inches minimum and 0.469 inches maximum
Width Across Flats: 0.553 inches minimum and 0.564 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unjf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.375 inches
Countersink Angle: 88.0 degrees nominal nut
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 125.0 microinches
Material: aluminum alloy 2014 or aluminum alloy 2017 or aluminum alloy 2024 or aluminum alloy 7075 nut
Material Document And Classification: qq-a-200/2,t6 fed spec 1st material response or qq-a-225/5,t4 fed spec 2nd material response or qq-a-225/6,t6 fed spec 3rd material response or qq-a-200/11,t6 fed spec 4th material response nut
Surface Treatment: anodize overall except insert
Surface Treatment Document And Classification: mil-a-8625 mil spec single treatment response overall except insert

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-050-3355	No Name Available	07/01/1999
5310-01-083-3238	No Name Available	02/01/1991

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
333-0433-000	Hexagon Self-Locking Nut
5310018574957	Hexagon Self-Locking Nut
68NE-064	Hexagon Self-Locking Nut
68NE-624	Hexagon Self-Locking Nut
MS21044D6	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-857-4957?

The FSCG of the NSN 5310-00-857-4957 is 5310

Does the NSN 5310-00-857-4957 have a Schedule B code assigned?

Yes, the Schedule B code is 7616995195

Does NSN 5310-00-857-4957 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 5310-00-857-4957 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-00-857-4957 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 5310-00-857-4957 was assigned to the Federal Catalog?

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