5305-01-491-9448

Find complete technical information, availability, and procurement data for: 5305-01-491-9448
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-491-9448

Item Name Code

06657

Assigment Date

11/07/2001 (24 years ago)

A metallic or nonmetallic item of various peripheral shapes and a solid cross-section. It is designed to maintain a predetermined distance between two surfaces. It may have flat parallel bearing surfaces. Do not use if a more specific name applies. See also spacer, ring; spacer, plate; spacer, sleeve; spacer, stepped; shim and washer, flat.

2a thread class, 0.312 inches maximum thread length, 0.282 inches minimum and 0.312 inches maximum fastener length, watertight head style, 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: 0.312 inches maximum
Fastener Length: 0.282 inches minimum and 0.312 inches maximum
Head Style: watertight
Head Diameter: 0.256 inches minimum and 0.294 inches maximum
Head Height: 0.087 inches minimum and 0.097 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.138 inches
Features Provided: sealing ring
Thread Quantity Per Inch: 32
Screw Material: steel comp 304 or steel comp 305 or steel comp 316 or steel comp 384 or steel comp xm-7
Screw Material Document And Classification: mil-s-82496 mil spec single material response
Head Surface Treatment: paint
Color: black
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
4250-6-12-B	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-491-9448?

The FSCG of the NSN 5305-01-491-9448 is 5305

Does the NSN 5305-01-491-9448 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-491-9448 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 5305-01-491-9448 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-491-9448 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 5305-01-491-9448 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Wed, Nov 7, 2001