MS51963-212

View detailed technical data, stock status, and sourcing information for: MS51963-212
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-046-3250

Item Name Code

06672

Assigment Date

08/15/1977 (49 years ago)

0.240 inches minimum and 0.260 inches maximum fastener length, right-hand thread direction, 3a thread class, headless (setscrew) head style, 0.240 inches minimum and 0.260 inches maximum thread 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: 0.240 inches minimum and 0.260 inches maximum
Fastener Length: 0.240 inches minimum and 0.260 inches maximum
Head Style: headless (setscrew)
Locking Feature: patch or pellet or strip threads
Point Style: cup
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.112 inches
Width Across Flats: 0.050 inches nominal
Thread Quantity Per Inch: 40
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum overall
Material: steel comp 4037 or steel comp 4137 or steel comp 4140 or steel comp 8630 or steel comp 8740 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty2 cl3 fed spec single treatment response overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 1 type and 4 style

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-916-4835	No Name Available	12/01/2005
5305-00-928-4624	No Name Available	11/24/2003

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
LK1081-04D4	Setscrew
MS18063-10	Setscrew
MS51963-212	Setscrew
NAS1081-04D4	Setscrew
NAS1081-4D4L	Setscrew
NASM51963-212	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-01-046-3250?

The FSCG of the NSN 5305-01-046-3250 is 5305

Does the NSN 5305-01-046-3250 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-046-3250 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 5305-01-046-3250 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-046-3250 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 5305-01-046-3250 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Mon, Aug 15, 1977