5310-01-389-7992

Find complete technical information, availability, and procurement data for: 5310-01-389-7992
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-389-7992

Item Name Code

05277

Assigment Date

05/04/1994 (32 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

hexagon nut style, 3b thread class, right-hand thread direction, 0.271 inches minimum and 0.360 inches maximum nut height, 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
Nut Style: hexagon
Nut Height: 0.271 inches minimum and 0.360 inches maximum
Width Across Flats: 0.492 inches minimum and 0.502 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unc
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.312 inches
Countersink Angle: 88.0 degrees nominal nut
Bearing Surface Type: chamfered
Bearing Surface Finish: 125.0 microinches
Material: plastic polyhexamethylene adipamide locking insert
Material: steel comp 316 overall except insert
Surface Treatment: passivate nut
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response nut
Departure From Cited Document: as modified by material

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
5/16-18UNC-3B N M INSERT,CRES31	Hexagon Self-Locking Nut
803-5001003-X4XX-06	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-389-7992?

The FSCG of the NSN 5310-01-389-7992 is 5310

Does the NSN 5310-01-389-7992 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-389-7992 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 5310-01-389-7992 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-389-7992 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 5310-01-389-7992 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Wed, May 4, 1994