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5310-01-258-8220

Nut,plain,castellated,hexagon

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Official Item Classification

Name
Nut,plain,castellated,hexagon
(NSN) National Stock Number
5310-01-258-8220
(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
07/08/1987 (39 years ago)

unjf thread series, 0.738 inches minimum and 0.752 inches maximum width across flats, right-hand thread direction, 0.240 inches minimum and 0.260 inches maximum nut height, 3b thread class

Specs & Compatibility

Thread Class

3b

Thread Direction

right-hand

Nut Height

0.240 inches minimum and 0.260 inches maximum

Width Across Flats

0.738 inches minimum and 0.752 inches maximum

Thread Series

unjf

Thread Quantity Per Inch

20

Nominal Thread Size

0.500 inches

Bearing Surface Type

flat

Material

iron alloy 660 overall

Surface Treatment

cadmium 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

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Frequently Asked Questions

What is the FSCG of the NSN 5310-01-258-8220?
The FSCG of the NSN 5310-01-258-8220 is 5310
Does the NSN 5310-01-258-8220 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-01-258-8220 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 5310-01-258-8220 contain precious materials?
Precious metal content is unknown
Does NSN 5310-01-258-8220 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 5310-01-258-8220 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Wed, Jul 8, 1987