5305-01-083-3908

Find complete technical information, availability, and procurement data for: 5305-01-083-3908
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-083-3908

Item Name Code

06657

Assigment Date

09/22/1979 (46 years ago)

A standoff that must have a threaded end(s) or be internally threaded its full length. For items having external threads on both ends, see stud (as modified). For items with an outside contour that is the same for the entire length, are flat on top and bottom, having internal threads its full length, and the length does not exceed twice the width across the flats or outside diameter, see nut (as modified); use maximum dimensions(s) for compliance.

flat countersunk head style, 0.230 inches minimum and 0.312 inches maximum thread length, 2a thread class, 0.292 inches minimum and 0.312 inches maximum fastener 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: 0.230 inches minimum and 0.312 inches maximum
Fastener Length: 0.292 inches minimum and 0.312 inches maximum
Head Style: flat countersunk
Head Diameter: 0.285 inches minimum and 0.332 inches maximum
Internal Drive Style: cross recess type ia
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: steel comp 302 or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 310 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347
Screw Material Document And Classification: 66 fed std all material responses
Screw Surface Treatment: passivate
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
2510-0100	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-083-3908?

The FSCG of the NSN 5305-01-083-3908 is 5305

Does the NSN 5305-01-083-3908 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-083-3908 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 5305-01-083-3908 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-083-3908 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 5305-01-083-3908 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Sat, Sep 22, 1979