5305-01-338-3149

Find complete technical information, availability, and procurement data for: 5305-01-338-3149
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-338-3149

Item Name Code

29294

Assigment Date

05/01/1991 (35 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.

0.578 inches nominal thread length, 1.188 inches minimum and 1.218 inches maximum fastener length, flat countersunk head style, right-hand thread direction, 3a thread class

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: 0.578 inches nominal
Fastener Length: 1.188 inches minimum and 1.218 inches maximum
Head Style: flat countersunk
Head Diameter: 0.691 inches minimum and 0.765 inches maximum
Grip Diameter: 0.3740 inches minimum and 0.3745 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.375 inches
Grip Length: 0.615 inches minimum and 0.635 inches maximum
Thread Quantity Per Inch: 24
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 32.0 microinches bearing surface of head32.0 microinches grip32.0 microinches threads
Material: nickel alloy 718 overall
Material Document And Classification: ams 5662 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
BACB30WP6-10	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-338-3149?

The FSCG of the NSN 5305-01-338-3149 is 5305

Does the NSN 5305-01-338-3149 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-338-3149 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 5305-01-338-3149 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-338-3149 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 5305-01-338-3149 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Wed, May 1, 1991