5305-01-342-8569

Find complete technical information, availability, and procurement data for: 5305-01-342-8569
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-342-8569

Item Name Code

18257

Assigment Date

07/31/1991 (35 years ago)

2a thread class, right-hand thread direction, hexagon head style, 0.750 inches nominal thread length, 1.000 inches nominal 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: 0.750 inches nominal
Fastener Length: 1.000 inches nominal
Head Style: hexagon
Head Height: 0.150 inches minimum and 0.163 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 130000 pounds per square inch
Hardness Rating: 80.0 rockwell b minimum overall
Material: nickel alloy 400 overall
Material Document And Classification: qq-n-281 fed spec single material response overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-01-492-6457	No Name Available	01/01/2024

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
0.250X20UNC X 1.000 IN. LG.	Hexagon Head Cap Screw
M1222RN4C216NANN	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-342-8569?

The FSCG of the NSN 5305-01-342-8569 is 5305

Does the NSN 5305-01-342-8569 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-342-8569 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 5305-01-342-8569 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-342-8569 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 5305-01-342-8569 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Wed, Jul 31, 1991