5310-01-268-1231

Find complete technical information, availability, and procurement data for: 5310-01-268-1231
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-268-1231

Item Name Code

05277

Assigment Date

11/23/1987 (38 years ago)

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

dry film lubricant lubrication, hexagon nut style, 2b thread class, prevailing torque with nonmetallic insert locking feature, right-hand thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2b
Thread Direction: right-hand
Locking Feature: prevailing torque with nonmetallic insert
Lubrication: dry film lubricant
Nut Style: hexagon
Nut Height: 0.750 inches maximum
Width Across Flats: 1.088 inches minimum and 1.127 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unc
Thread Quantity Per Inch: 10
Nominal Thread Size: 0.750 inches
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 110.0 microinches
Material: plastic polyamide (nylon) locking insert
Material: steel overall except insert
Surface Treatment: cadmium and chromate overall except insert
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment response overall except insert

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
787AS296	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-268-1231?

The FSCG of the NSN 5310-01-268-1231 is 5310

Does the NSN 5310-01-268-1231 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-268-1231 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 5310-01-268-1231 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-268-1231 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 5310-01-268-1231 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Mon, Nov 23, 1987