5305-01-503-3666

Find complete technical information, availability, and procurement data for: 5305-01-503-3666
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-503-3666

Item Name Code

18257

Assigment Date

12/13/2002 (23 years ago)

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).

2a thread class, 0.750 inches nominal fastener length, hexagon head style, 1430-01-378-6963 end item identification, 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
Fastener Length: 0.750 inches nominal
Head Style: hexagon
End Item Identification: 1430-01-378-6963
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Material: copper alloy 268 overall
Material Document And Classification: qq-b-626 fed spec single material 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
12900539-2	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-503-3666?

The FSCG of the NSN 5305-01-503-3666 is 5305

Does the NSN 5305-01-503-3666 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-01-503-3666 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 5305-01-503-3666 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-503-3666 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 5305-01-503-3666 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Fri, Dec 13, 2002