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638328 Nut,plain,castellated,hexagon

5310-00-059-5242

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Official Item Classification

Name
Nut,plain,castellated,hexagon
Part Number
638328
(NSN) National Stock Number
5310-00-059-5242
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
01854
(FIIG) Federal Item Identification Guide
A021A0
Date
03/08/1972 (54 years ago)

castellated, hexagon nut style, right-hand thread direction, 0.430 inches minimum and 0.439 inches maximum width across flats, 3b thread class, 0.330 inches minimum and 0.350 inches maximum nut height

Specs & Compatibility

Thread Class

3b

Thread Direction

right-hand

Nut Style

castellated, hexagon

Nut Height

0.330 inches minimum and 0.350 inches maximum

Width Across Flats

0.430 inches minimum and 0.439 inches maximum

Thread Series

unjf

Thread Quantity Per Inch

28

Nominal Thread Size

0.250 inches

Bearing Surface Type

washer faced

Bearing Surface Finish

63.0 microinches

Material

steel overall

Material Document And Classification

ams 5625 assn std single material 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

0001854

Related Hardware Products

Part Number Description
638328 Nut,plain,castellated,hexagon

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-059-5242?
The FSCG of the NSN 5310-00-059-5242 is 5310
Does the NSN 5310-00-059-5242 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-059-5242 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 5310-00-059-5242 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-059-5242 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 5310-00-059-5242 was assigned to the Federal Catalog?
It was assigned 54 years ago, on Wed, Mar 8, 1972