F-025

View detailed technical data, stock status, and sourcing information for: F-025
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-270-8913

Item Name Code

06657

Assigment Date

01/15/1988 (38 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

2a thread class, 0.500 inches nominal fastener length, right-hand thread direction, binding head style, 0.438 inches minimum and 0.500 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: 2a
Thread Direction: right-hand
Thread Length: 0.438 inches minimum and 0.500 inches maximum
Fastener Length: 0.500 inches nominal
Head Style: binding
Head Diameter: 0.326 inches minimum and 0.344 inches maximum
Head Height: 0.095 inches minimum and 0.105 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Screw Material: steel
Screw Surface Treatment: nickel
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
F-025	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-270-8913?

The FSCG of the NSN 5305-01-270-8913 is 5305

Does the NSN 5305-01-270-8913 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-270-8913 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 5305-01-270-8913 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-270-8913 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 5305-01-270-8913 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Fri, Jan 15, 1988