191950

View detailed technical data, stock status, and sourcing information for: 191950
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-724-5898

Item Name Code

06672

Assigment Date

01/01/1960 (66 years ago)

0.375 inches maximum thread length, right-hand thread direction, 3a thread class, headless (setscrew) head style, 0.375 inches nominal 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: 0.375 inches maximum
Fastener Length: 0.375 inches nominal
Head Style: headless (setscrew)
Point Style: cup
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.156 inches nominal
Thread Quantity Per Inch: 18
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 ty 2 cl 3 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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-019-1942	No Name Available	08/29/2007
5305-00-019-1950	No Name Available	01/17/2017
5305-00-207-1842	No Name Available	01/01/1983
5305-00-465-5701	No Name Available	10/01/1996
5305-00-639-0808	No Name Available	09/01/2023
5305-00-757-8737	No Name Available	03/11/1973
5305-00-840-0602	No Name Available	03/08/1971
5305-00-885-7207	No Name Available	01/16/2004
5305-00-990-0144	No Name Available	09/01/1982
5305-01-477-1867	No Name Available	06/01/2006

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
191942	Setscrew
191950	Setscrew
2552093-4	Setscrew
A93291	Setscrew
MS51963-83	Setscrew
MS51963-83 5/16 -18UNC-3AX3/8 L	Setscrew
MX-261193-3 PIECE 28	Setscrew
MX242266-3PC28	Setscrew
SP-59 PIECE 51	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-00-724-5898?

The FSCG of the NSN 5305-00-724-5898 is 5305

Does the NSN 5305-00-724-5898 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-724-5898 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 5305-00-724-5898 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-724-5898 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 5305-00-724-5898 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960