1676AS264-1

View detailed technical data, stock status, and sourcing information for: 1676AS264-1
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-363-8474

Item Name Code

18257

Assigment Date

09/07/1992 (33 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.

3.000 inches nominal fastener length, 2a thread class, 0.690 inches nominal thread length, hexagon 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: 0.690 inches nominal
Fastener Length: 3.000 inches nominal
Head Style: hexagon
Head Height: 0.348 inches minimum and 0.371 inches maximum
Width Between Flats: 0.800 inches nominal
Shank Unthreaded Hole Diameter: 0.156 inches nominal first hole
Nominal Thread Diameter: 0.562 inches
Thread Quantity Per Inch: 18
Distance From Head Largest Bearing Surface To Shank Hole Center: 2.750 inches minimum and 2.781 inches maximum first hole
Material: steel overall
Material Document And Classification: astma575 assn std single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416ty2cl3 fed spec single treatment response overall
Thread Series Designator: unf

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
10-0837	Hexagon Head Cap Screw
1676AS264-1	Hexagon Head Cap Screw
3573AS264-1	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-363-8474?

The FSCG of the NSN 5305-01-363-8474 is 5305

Does the NSN 5305-01-363-8474 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-363-8474 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 5305-01-363-8474 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-363-8474 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 5305-01-363-8474 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Mon, Sep 7, 1992