12279425

View detailed technical data, stock status, and sourcing information for: 12279425
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-100-8139

Item Name Code

06657

Assigment Date

09/13/1980 (45 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.

oval head style, 2a thread class, 2.120 inches nominal thread length, 2.120 inches nominal fastener length, right-hand thread direction

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: 2.120 inches nominal
Fastener Length: 2.120 inches nominal
Head Style: oval
Head Diameter: 0.219 inches nominal
Head Height: 0.080 inches nominal
Internal Drive Style: cross recess type iii
End Item Identification: xm1 ceu,m1,xm1 tank,m1a1 ceu,m1a1
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Screw Material: steel corrosion resisting
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
12279425	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-100-8139?

The FSCG of the NSN 5305-01-100-8139 is 5305

Does the NSN 5305-01-100-8139 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-100-8139 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 5305-01-100-8139 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-100-8139 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 5305-01-100-8139 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Sat, Sep 13, 1980