90128A121

View detailed technical data, stock status, and sourcing information for: 90128A121
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-444-6189

Item Name Code

16282

Assigment Date

05/13/1997 (29 years ago)

A metallic or nonmetallic item, headed at one end, with a cylindrically shaped shank which may be tapered, grooved, or threaded. A locking collar or sleeve may be provided to perform the same holding action as the clinching portion of a conventional rivet. The shank may include an external wrenching facility which breaks off at a predetermined applied torque.

right-hand thread direction, 3a thread class, flat fillister head style, 0.187 inches nominal thread length, 0.187 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: 0.187 inches nominal
Fastener Length: 0.187 inches nominal
Head Style: flat fillister
Head Diameter: 0.218 inches minimum and 0.226 inches maximum
Head Height: 0.134 inches minimum and 0.138 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.138 inches
Width Across Flats: 0.109 inches minimum and 0.111 inches maximum
Thread Quantity Per Inch: 32
Material: steel overall
Material Document And Classification: qq-s-763 cl 302,304 assn std single material response or qq-s-764 cl 303 cond a or b assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: mil-std-171, table v assn std single treatment response overall
Thread Series Designator: unc

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
1446214-37	Socket Head Cap Screw
90128A121	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-444-6189?

The FSCG of the NSN 5305-01-444-6189 is 5305

Does the NSN 5305-01-444-6189 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-444-6189 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 5305-01-444-6189 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-444-6189 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 5305-01-444-6189 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Tue, May 13, 1997