5310-00-004-1491

Find complete technical information, availability, and procurement data for: 5310-00-004-1491
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-004-1491

Item Name Code

05277

Assigment Date

05/27/1972 (54 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.

2.343 inches minimum and 2.469 inches maximum nut height, hexagon nut style, prevailing torque with nonmetallic insert locking feature, 3b thread class, 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: 3b
Thread Direction: right-hand
Locking Feature: prevailing torque with nonmetallic insert
Nut Style: hexagon
Nut Height: 2.343 inches minimum and 2.469 inches maximum
Width Across Flats: 3.086 inches minimum and 3.137 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unc
Thread Quantity Per Inch: 4 1/2
Nominal Thread Size: 2.000 inches
Countersink Angle: 88.0 degrees nominal nut
Bearing Surface Type: chamfered or washer faced
Bearing Surface Finish: 125.0 microinches
Special Features: certified free from mercury contamination
Material: plastic polyhexamethylene amide locking insert
Material: steel comp 1137 nut
Material Document And Classification: 66 fed std single material response or aisi fed std single material response or sae fed std single material response nut
Material Document And Classification: mil-m-20693,type 1 mil spec 1st material response locking insert
Surface Treatment: cadmium overall except insert
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec single treatment response overall except insert
Departure From Cited Designator: as modified by feat

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
936F968H13	Hexagon Self-Locking Nut
F52NU1610-324	Hexagon Self-Locking Nut
MS17829-32C	Hexagon Self-Locking Nut
MS17829Z32C	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-004-1491?

The FSCG of the NSN 5310-00-004-1491 is 5310

Does the NSN 5310-00-004-1491 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-004-1491 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 5310-00-004-1491 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-004-1491 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 5310-00-004-1491 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Sat, May 27, 1972