5310-00-208-2490

Find complete technical information, availability, and procurement data for: 5310-00-208-2490
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-208-2490

Item Name Code

05277

Assigment Date

01/01/1963 (63 years ago)

0.438 inches minimum and 0.468 inches maximum nut height, prevailing torque with nonmetallic insert locking feature, 3b thread class, hexagon nut style, 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: 0.438 inches minimum and 0.468 inches maximum
Width Across Flats: 0.615 inches minimum and 0.627 inches maximum
Temp Rating: 250.0 fahrenheit nominal
Thread Series: unf
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.438 inches
Bearing Surface Type: chamfered
Material: plastic polyhexamethylene amide or plastic polycaprolactam locking insert
Material: steel comp 1137 nut
Material Document And Classification: ams 5024 assn std single material response nut
Material Document And Classification: mil-m-20693 mil spec all material responses locking insert
Surface Treatment: cadmium overall except insert
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 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Below is a list of NSNs that have been officially superseded by this NSN: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
5310-00-488-9089	No Name Available	07/16/1972

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
52NEE070	Hexagon Self-Locking Nut
65167	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-00-208-2490?

The FSCG of the NSN 5310-00-208-2490 is 5310

Does the NSN 5310-00-208-2490 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-208-2490 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 5310-00-208-2490 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-208-2490 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 5310-00-208-2490 was assigned to the Federal Catalog?

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