446887

View detailed technical data, stock status, and sourcing information for: 446887
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-558-4271

Item Name Code

06672

Assigment Date

01/01/1963 (63 years ago)

3a thread class, headless (setscrew) head style, right-hand thread direction, 0.125 inches nominal fastener length, 0.125 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: 0.125 inches maximum
Fastener Length: 0.125 inches nominal
Head Style: headless (setscrew)
Point Style: cup
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.164 inches
Width Across Flats: 0.078 inches minimum and 0.079 inches maximum
Thread Quantity Per Inch: 32
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum overall
Material: steel overall
Surface Treatment: zinc and cadmium overall
Surface Treatment Document And Classification: qq-z-325,type 2,class 3 fed spec 1st treatment response and qq-p-416,type 3,class 2 fed spec 2nd 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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-044-6887	No Name Available	01/01/1963

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
12Z1152-38	Setscrew
446887	Setscrew
MS51017-33	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-00-558-4271?

The FSCG of the NSN 5305-00-558-4271 is 5305

Does the NSN 5305-00-558-4271 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-558-4271 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 5305-00-558-4271 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-558-4271 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 5305-00-558-4271 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963