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5310-01-080-0721

Hexagon Plain Nut

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Official Item Classification

Name
Hexagon Plain Nut
(NSN) National Stock Number
5310-01-080-0721
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
01857
(FIIG) Federal Item Identification Guide
A021A0
Date
07/19/1979 (47 years ago)

hexagon nut style, 0.433 inches minimum and 0.441 inches maximum width across flats, right-hand thread direction, 0.277 inches minimum and 0.279 inches maximum nut height, 2b thread class

Specs & Compatibility

Thread Class

2b

Thread Direction

right-hand

Nut Style

hexagon

Nut Height

0.277 inches minimum and 0.279 inches maximum

Width Across Flats

0.433 inches minimum and 0.441 inches maximum

Thread Series

unf

Thread Quantity Per Inch

32

Nominal Thread Size

0.190 inches

Countersink Angle

110.0 degrees minimum and 130.0 degrees maximum both ends

Bearing Surface Type

chamfered

Bearing Surface Finish

32.0 microinches

Material

steel comp 303 or steel comp 304 or steel comp 321 overall

Material Document And Classification

aisi assn std all material responses overall

Surface Treatment

passivate overall

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response overall

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

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

0001857

Related Hardware Products

Part Number Description
2510430-13 Hexagon Plain Nut

Frequently Asked Questions

What is the FSCG of the NSN 5310-01-080-0721?
The FSCG of the NSN 5310-01-080-0721 is 5310
Does the NSN 5310-01-080-0721 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-080-0721 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 5310-01-080-0721 contain precious materials?
Precious metal content is unknown
Does NSN 5310-01-080-0721 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 5310-01-080-0721 was assigned to the Federal Catalog?
It was assigned 47 years ago, on Thu, Jul 19, 1979