5305-01-275-3290

Find complete technical information, availability, and procurement data for: 5305-01-275-3290
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-275-3290

Item Name Code

18257

Assigment Date

03/21/1988 (38 years ago)

hexagon head style, 2a thread class, 4.000 inches minimum and 4.250 inches maximum thread length, right-hand thread direction, 7.969 inches minimum and 8.031 inches maximum fastener 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: 4.000 inches minimum and 4.250 inches maximum
Fastener Length: 7.969 inches minimum and 8.031 inches maximum
Head Style: hexagon
Head Height: 0.546 inches minimum and 0.578 inches maximum
Width Between Flats: 0.984 inches minimum and 1.016 inches maximum
Nominal Thread Diameter: 0.750 inches
Thread Quantity Per Inch: 16
Material: steel comp 1020 or steel comp 1025 or steel comp 1030 overall
Material Document And Classification: astm a108 assn std all material responses overall
Surface Treatment: phosphate zinc overall
Surface Treatment Document And Classification: mil-c-12968 mil 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
7081554	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-275-3290?

The FSCG of the NSN 5305-01-275-3290 is 5305

Does the NSN 5305-01-275-3290 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-275-3290 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 5305-01-275-3290 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-275-3290 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 5305-01-275-3290 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Mon, Mar 21, 1988