5305-00-639-1965

Find complete technical information, availability, and procurement data for: 5305-00-639-1965
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-639-1965

Item Name Code

16282

Assigment Date

11/13/1970 (55 years ago)

3a thread class, 0.359 inches minimum and 0.391 inches maximum fastener length, right-hand thread direction, 0.259 inches minimum and 0.391 inches maximum thread length, flat chamfer head style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.259 inches minimum and 0.391 inches maximum
Fastener Length: 0.359 inches minimum and 0.391 inches maximum
Head Style: flat chamfer
Head Diameter: 0.375 inches maximum
Head Height: 0.250 inches maximum
Hole Diameter: 0.055 inches nominal
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.188 inches nominal
Hole Quantity: 6
Hole Type: drilled
Thread Quantity Per Inch: 20
Hardness Rating: 36.0 rockwell c minimum and 43.0 rockwell c maximum overall
Hole Configuration Style: round longitudinal hole
Material: steel comp 4037 overall
Material Document And Classification: ams 6300 assn std 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Below is a list of NSNs that have been officially superseded by this NSN: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
5305-00-693-7358	No Name Available	01/01/1963

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
69994-4-3C	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-639-1965?

The FSCG of the NSN 5305-00-639-1965 is 5305

Does the NSN 5305-00-639-1965 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-639-1965 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 5305-00-639-1965 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-639-1965 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 5305-00-639-1965 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, Nov 13, 1970