1935AS421-1

View detailed technical data, stock status, and sourcing information for: 1935AS421-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-129-4358

Item Name Code

06673

Assigment Date

04/07/1982 (44 years ago)

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

flat chamfer head style, 0.303 inches minimum and 0.385 inches maximum thread length, right-hand thread direction, 2a thread class, 0.365 inches minimum and 0.385 inches maximum 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: 2a
Thread Direction: right-hand
Thread Length: 0.303 inches minimum and 0.385 inches maximum
Fastener Length: 0.365 inches minimum and 0.385 inches maximum
Head Style: flat chamfer
Head Diameter: 0.375 inches minimum and 0.395 inches maximum
Head Height: 0.298 inches minimum and 0.328 inches maximum
Point Style: flat
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Material: steel corrosion resisting overall
Surface Treatment: passivate 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
1935AS421-1	Thumbscrew
297-04SS-6-32E	Thumbscrew
297-04SS6-32	Thumbscrew

FAQs

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

What is the FSCG of the NSN 5305-01-129-4358?

The FSCG of the NSN 5305-01-129-4358 is 5305

Does the NSN 5305-01-129-4358 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-129-4358 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 5305-01-129-4358 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-129-4358 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 5305-01-129-4358 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Wed, Apr 7, 1982