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5310-00-976-1817

Nut,self-Locking,castellated,hex

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Official Item Classification

Name
Nut,self-Locking,castellated,hex
(NSN) National Stock Number
5310-00-976-1817
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
29725
(FIIG) Federal Item Identification Guide
A021A0
Date
11/10/1979 (46 years ago)

castellated, hexagon nut style, prevailing torque all metal design locking feature, 3b thread class, 0.270 inches minimum and 0.282 inches maximum nut height, right-hand thread direction

Specs & Compatibility

Thread Class

3b

Thread Direction

right-hand

Locking Feature

prevailing torque all metal design

Nut Style

castellated, hexagon

Nut Height

0.270 inches minimum and 0.282 inches maximum

Width Across Flats

0.553 inches minimum and 0.564 inches maximum

Temp Rating

450.0 fahrenheit nominal

Thread Series

unf

Thread Quantity Per Inch

24

Nominal Thread Size

0.312 inches

Bearing Surface Type

chamfered

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.

Source of Supply Code

SMS

Pseudo Item Name Code

0029725

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Frequently Asked Questions

What is the FSCG of the NSN 5310-00-976-1817?
The FSCG of the NSN 5310-00-976-1817 is 5310
Does NSN 5310-00-976-1817 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 5310-00-976-1817 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-00-976-1817 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 5310-00-976-1817 was assigned to the Federal Catalog?
It was assigned 46 years ago, on Sat, Nov 10, 1979