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MS51021-62 Setscrew

5305-00-929-6558

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Official Item Classification

Name
Setscrew
Part Number
MS51021-62
(NSN) National Stock Number
5305-00-929-6558
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
06672
(FIIG) Federal Item Identification Guide
A003B0
Date
09/14/1966 (60 years ago)

0.765 inches maximum thread length, headless (setscrew) head style, 3a thread class, right-hand thread direction, 0.735 inches minimum and 0.765 inches maximum fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.765 inches maximum

Fastener Length

0.735 inches minimum and 0.765 inches maximum

Head Style

headless (setscrew)

Point Style

cup

Internal Drive Style

hexagon

Nominal Thread Diameter

0.250 inches

Width Across Flats

0.125 inches nominal

Thread Quantity Per Inch

20

Material

steel comp 316 overall

Material Document And Classification

66 fed std all material responses overall

Surface Treatment

passivate overall

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response overall

Thread Series Designator

unc

Replacement For

Part Number Description
5305-00-023-2576 No Name Available 12/01/1985

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

0006672

Related Hardware Products

Part Number Description
"1/4-20UNC-3AX3/ 4"LG TYII GR316" Setscrew
003-07941-062 Setscrew
CUP POINT,MS510 21-62 Setscrew
MS51021-62 Setscrew

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-929-6558?
The FSCG of the NSN 5305-00-929-6558 is 5305
Does the NSN 5305-00-929-6558 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-929-6558 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 5305-00-929-6558 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-929-6558 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 5305-00-929-6558 was assigned to the Federal Catalog?
It was assigned 60 years ago, on Wed, Sep 14, 1966