844378-22

View detailed technical data, stock status, and sourcing information for: 844378-22
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-805-9748

Item Name Code

06672

Assigment Date

01/01/1962 (64 years ago)

0.125 inches maximum thread length, 3a thread class, right-hand thread direction, headless (setscrew) head style, 0.125 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: 0.125 inches maximum
Fastener Length: 0.125 inches nominal
Head Style: headless (setscrew)
Spline Minor Diameter: 0.050 inches minimum and 0.051 inches maximum
Spline Major Diameter: 0.061 inches minimum and 0.062 inches maximum
Spline Width: 0.013 inches minimum and 0.014 inches maximum
Point Style: cup
Internal Drive Style: six spline
Nominal Thread Diameter: 0.112 inches
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,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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-537-3358	No Name Available	04/13/1966
5305-00-567-9856	No Name Available	06/23/1971

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
844378-22	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-00-805-9748?

The FSCG of the NSN 5305-00-805-9748 is 5305

Does the NSN 5305-00-805-9748 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-805-9748 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 5305-00-805-9748 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-805-9748 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 5305-00-805-9748 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962