5305-01-081-1258

Find complete technical information, availability, and procurement data for: 5305-01-081-1258
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-081-1258

Item Name Code

29294

Assigment Date

08/09/1979 (46 years ago)

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

0.306 inches minimum and 0.356 inches maximum thread length, right-hand thread direction, fillister countersunk head style, 3a thread class, 0.691 inches minimum and 0.721 inches maximum 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: 3a
Thread Direction: right-hand
Thread Length: 0.306 inches minimum and 0.356 inches maximum
Fastener Length: 0.691 inches minimum and 0.721 inches maximum
Head Style: fillister countersunk
Head Diameter: 0.2966 inches minimum and 0.3016 inches maximum
Head Height: 0.013 inches maximum
Grip Diameter: 0.1890 inches minimum and 0.1895 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.365 inches minimum and 0.385 inches maximum
Thread Quantity Per Inch: 32
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: steel comp xm-13 overall
Material Document And Classification: ams 5629 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: unjf

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
HT4016-3-6	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-081-1258?

The FSCG of the NSN 5305-01-081-1258 is 5305

Does the NSN 5305-01-081-1258 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-081-1258 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 5305-01-081-1258 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-081-1258 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 5305-01-081-1258 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Thu, Aug 9, 1979