MS51021-62

View detailed technical data, stock status, and sourcing information for: MS51021-62
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-929-6558

Item Name Code

06672

Assigment Date

09/14/1966 (59 years ago)

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

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

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

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-023-2576	No Name Available	12/01/1985

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

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

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

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 59 years ago, on Wed, Sep 14, 1966