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544-2138-235 Cap Plain Nut

5310-00-897-3040

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Official Item Classification

Name
Cap Plain Nut
Part Number
544-2138-235
(NSN) National Stock Number
5310-00-897-3040
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
01855
(FIIG) Federal Item Identification Guide
A021A0
Date
01/01/1962 (64 years ago)

right-hand thread direction, 1.125 inches nominal nut height, 2b thread class, cap nut style, 2.000 inches nominal width across flats

Specs & Compatibility

Thread Class

2b

Thread Direction

right-hand

Nut Style

cap

Nut Height

1.125 inches nominal

Width Across Flats

2.000 inches nominal

Thread Series

unf

Thread Quantity Per Inch

12

Nominal Thread Size

1.250 inches

Bearing Surface Type

chamfered

Material

nickel alloy 400 or nickel alloy r-405 overall

Material Document And Classification

qq-n-281 fed spec all material responses 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

0001855

Related Hardware Products

Part Number Description
16-8-1MA Cap Plain Nut
16HCS-25 PIECE 5 Cap Plain Nut
544-2138-235 Cap Plain Nut

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-897-3040?
The FSCG of the NSN 5310-00-897-3040 is 5310
Does the NSN 5310-00-897-3040 have a Schedule B code assigned?
Yes, the Schedule B code is 7508900000
Does NSN 5310-00-897-3040 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 5310-00-897-3040 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-897-3040 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 5310-00-897-3040 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962