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251295 Hexagon Plain Nut

5310-00-975-2075

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Official Item Classification

Name
Hexagon Plain Nut
Part Number
251295
(NSN) National Stock Number
5310-00-975-2075
(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
10/10/1966 (60 years ago)

right-hand thread direction, 2b thread class, hexagon nut style, logistgics support vessel end item identification, 0.210 inches minimum and 0.227 inches maximum nut height

Specs & Compatibility

Thread Class

2b

Thread Direction

right-hand

Nut Style

hexagon

Nut Height

0.210 inches minimum and 0.227 inches maximum

End Item Identification

logistgics support vessel

Width Across Flats

0.551 inches minimum and 0.562 inches maximum

Thread Series

unf

Thread Quantity Per Inch

24

Hardness Rating

95.0 rockwell b minimum and 32.0 rockwell c maximum

Nominal Thread Size

0.375 inches

Bearing Surface Type

chamfered or washer faced

Material

steel overall

Surface Treatment

cadmium and chromate overall

Surface Treatment Document And Classification

qq-p-416,ty 2,cl 3 fed spec single treatment response overall

Nondefinitive Spec/Std Data

2 type and 5 style and b grade

Replacement For

Part Number Description
5310-00-011-4494 No Name Available 12/01/1979
5310-00-012-4925 No Name Available 02/01/1980
5310-00-083-9822 No Name Available 10/01/1984
5310-00-275-3435 No Name Available 03/01/1984
5310-00-275-6529 No Name Available 05/01/1982
5310-00-350-5992 No Name Available 01/01/1983
5310-00-754-4462 No Name Available 10/01/1982
5310-00-842-9220 No Name Available 07/16/1972
5310-00-899-0178 No Name Available 09/01/2023
5310-01-150-8735 No Name Available 03/01/1986

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

0001857

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Frequently Asked Questions

What is the FSCG of the NSN 5310-00-975-2075?
The FSCG of the NSN 5310-00-975-2075 is 5310
Does the NSN 5310-00-975-2075 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-975-2075 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 5310-00-975-2075 contain precious materials?
Item does not contain precious metal.
Does NSN 5310-00-975-2075 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 5310-00-975-2075 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Mon, Oct 10, 1966