5305-01-339-3181

Find complete technical information, availability, and procurement data for: 5305-01-339-3181
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-339-3181

Item Name Code

01852

Assigment Date

05/20/1991 (35 years ago)

flat chamfer head style, 0.765 inches minimum and 0.795 inches maximum fastener length, 0.290 inches nominal thread length, 2a thread class, 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: 0.290 inches nominal
Fastener Length: 0.765 inches minimum and 0.795 inches maximum
Head Style: flat chamfer
Head Diameter: 0.218 inches minimum and 0.226 inches maximum
Head Height: 0.134 inches minimum and 0.138 inches maximum
First Diameter From Head: 0.133 inches minimum and 0.138 inches maximum
Second Diameter From Head: 0.095 inches minimum and 0.100 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.020 inches minimum and 0.025 inches maximum
Distance From Largest Bearing Surface Of Head To End Of Second Diameter: 0.420 inches minimum and 0.440 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.138 inches
Width Across Flats: 0.109 inches minimum and 0.111 inches maximum
Thread Quantity Per Inch: 32
Externally Relieved Body Diameter Quantity: 1
Material: steel comp 630 overall
Material Document And Classification: ams5643 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unc

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
A320A638-102	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-01-339-3181?

The FSCG of the NSN 5305-01-339-3181 is 5305

Does the NSN 5305-01-339-3181 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-339-3181 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 5305-01-339-3181 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-339-3181 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 5305-01-339-3181 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Mon, May 20, 1991