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5310-00-044-5321

Single Ball Sea Self-Locking Nut

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Official Item Classification

Name
Single Ball Sea Self-Locking Nut
(NSN) National Stock Number
5310-00-044-5321
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5310 Nuts and Washers
(INC) Item Name Code
29732
(FIIG) Federal Item Identification Guide
A021A0
Date
05/17/1968 (58 years ago)

right-hand thread direction, 2b thread class, 0.995 inches nominal nut height, single ball seat, hexagon nut style, prevailing torque with nonmetallic insert locking feature

Specs & Compatibility

Thread Class

2b

Thread Direction

right-hand

Locking Feature

prevailing torque with nonmetallic insert

Nut Style

single ball seat, hexagon

Nut Height

0.995 inches nominal

Width Across Flats

1.250 inches nominal

Thread Series

unc

Thread Quantity Per Inch

9

Nominal Thread Size

0.875 inches

Material

steel 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

0029732

Related Hardware Products

Part Number Description
21-19619B PIECE 10 Single Ball Sea Self-Locking Nut
21-19619PC10 Single Ball Sea Self-Locking Nut

Frequently Asked Questions

What is the FSCG of the NSN 5310-00-044-5321?
The FSCG of the NSN 5310-00-044-5321 is 5310
Does the NSN 5310-00-044-5321 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-044-5321 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 5310-00-044-5321 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-044-5321 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 5310-00-044-5321 was assigned to the Federal Catalog?
It was assigned 58 years ago, on Fri, May 17, 1968