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5310-01-490-2485

Hexagon Self-Locking Nut

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Official Item Classification

Name
Hexagon Self-Locking Nut
(NSN) National Stock Number
5310-01-490-2485
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
05277
(FIIG) Federal Item Identification Guide
A021A0
Date
09/24/2001 (25 years ago)

0.212 inches minimum and 0.288 inches maximum nut height, 3b thread class, hexagon nut style, prevailing torque all metal design locking feature, right-hand thread direction

Specs & Compatibility

Thread Class

3b

Thread Direction

right-hand

Locking Feature

prevailing torque all metal design

Nut Style

hexagon

Nut Height

0.212 inches minimum and 0.288 inches maximum

Width Across Flats

0.428 inches minimum and 0.439 inches maximum

Temp Rating

250.0 fahrenheit nominal

Thread Series

unf

Thread Quantity Per Inch

28

Nominal Thread Size

0.250 inches

Bearing Surface Type

chamfered

Bearing Surface Finish

125.0 microinches

Material

steel overall

Material Document And Classification

qq-p-416,type ii,cl 2 or 3 fed spec single material response overall

Specification/Standard Data

81349-mil-dlt-45913/4a government specification

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0005277

Related Hardware Products

Part Number Description
M45913/4-4FG8C Hexagon Self-Locking Nut
MIL-DTL-45913/4A Hexagon Self-Locking Nut

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-490-2485?
The FSCG of the NSN 5310-01-490-2485 is 5310
Does the NSN 5310-01-490-2485 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-490-2485 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 5310-01-490-2485 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-01-490-2485 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 5310-01-490-2485 was assigned to the Federal Catalog?
It was assigned 25 years ago, on Mon, Sep 24, 2001