5305-01-254-4189

Find complete technical information, availability, and procurement data for: 5305-01-254-4189
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-254-4189

Item Name Code

16282

Assigment Date

05/05/1987 (39 years ago)

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

1.750 inches nominal fastener length, right-hand thread direction, 2a thread class, 1.120 inches minimum and 1.710 inches maximum thread length, flat chamfer head style

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: 1.120 inches minimum and 1.710 inches maximum
Fastener Length: 1.750 inches nominal
Head Style: flat chamfer
Head Diameter: 0.457 inches minimum and 0.469 inches maximum
Head Height: 0.306 inches minimum and 0.312 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.250 inches nominal
Thread Quantity Per Inch: 18
Material: nickel alloy 400 overall
Material Document And Classification: qq-n-281 cl a fed spec single material 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
400-5530886 ITEM 45	Socket Head Cap Screw
6750-607 ITEM 45	Socket Head Cap Screw
9762055	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-254-4189?

The FSCG of the NSN 5305-01-254-4189 is 5305

Does the NSN 5305-01-254-4189 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-254-4189 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 5305-01-254-4189 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-254-4189 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 5305-01-254-4189 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Tue, May 5, 1987