5310-00-020-3260

Find complete technical information, availability, and procurement data for: 5310-00-020-3260
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-020-3260

Item Name Code

05277

Assigment Date

04/29/1967 (59 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, hexagon nut style, 3b thread class, soluble lubricant lubrication, prevailing torque with nonmetallic insert locking feature

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: 0.266 inches maximum
Width Across Flats: 0.492 inches minimum and 0.502 inches maximum
Temp Rating: 250.0 fahrenheit maximum
Thread Series: unjf
Thread Quantity Per Inch: 24
Nominal Thread Size: 0.312 inches
Countersink Angle: 88.0 degrees minimum nut
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 125.0 microinches
Material: plastic polyamide (nylon) locking insert
Material: steel corrosion resisting nut
Surface Treatment: passivate overall except insert
Surface Treatment Document And Classification: qq-p-35 fed 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-01-685-6432	No Name Available	06/01/2020

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
002-004048-006	Hexagon Self-Locking Nut
102A901764	Hexagon Self-Locking Nut
1287742-6	Hexagon Self-Locking Nut
1339AS642-1	Hexagon Self-Locking Nut
5310000203260	Hexagon Self-Locking Nut
MS21083-C5	Hexagon Self-Locking Nut
MS21083C5	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-020-3260?

The FSCG of the NSN 5310-00-020-3260 is 5310

Does the NSN 5310-00-020-3260 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-020-3260 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 5310-00-020-3260 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-020-3260 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 5310-00-020-3260 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Sat, Apr 29, 1967