12259791

View detailed technical data, stock status, and sourcing information for: 12259791
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-172-7739

Item Name Code

18257

Assigment Date

02/24/1984 (42 years ago)

An insulator having flat surfaces, with or without holes, whose thickness does not exceed 25 percent of its length or width, whichever is smaller, and whose shape is other than round. Excludes:insulator (1), spacer; insulator (1), washer; mounting pad, electrical-electronic component; plate, electrical shield; and terminal board.

2a thread class, hexagon head style, 6.200 inches nominal fastener length, 1.840 inches nominal thread length, 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: 1.840 inches nominal
Fastener Length: 6.200 inches nominal
Head Style: hexagon
Head Height: 0.563 inches nominal
Width Between Flats: 1.3125 inches nominal
Nominal Thread Diameter: 0.875 inches
Thread Quantity Per Inch: 14
Material: steel overall
Material Document And Classification: ff-s-85 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
12259791	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-172-7739?

The FSCG of the NSN 5305-01-172-7739 is 5305

Does the NSN 5305-01-172-7739 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-172-7739 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 5305-01-172-7739 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-172-7739 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 5305-01-172-7739 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Fri, Feb 24, 1984