5305-01-143-5042

Find complete technical information, availability, and procurement data for: 5305-01-143-5042
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-143-5042

Item Name Code

22846

Assigment Date

12/05/1982 (43 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.

right-hand thread direction, 1.140 inches minimum and 1.187 inches maximum fastener length, 3a thread class, 0.442 inches minimum and 0.509 inches maximum thread length, flat countersunk undercut 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: 0.442 inches minimum and 0.509 inches maximum
Fastener Length: 1.140 inches minimum and 1.187 inches maximum
Head Style: flat countersunk undercut
Head Diameter: 0.502 inches minimum and 0.507 inches maximum
Head Height: 0.065 inches minimum and 0.067 inches maximum
Shoulder Diameter: 0.2646 inches minimum and 0.2651 inches maximum first shoulder
Shoulder Length: 0.611 inches minimum and 0.633 inches maximum first shoulder
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Shoulder Shape: round first shoulder
Material: steel comp xm-13 overall
Material Document And Classification: ams5629 assn std single material 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
HT4020-4-11X	Shoulder Screw
ST3M653C4-11D	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-143-5042?

The FSCG of the NSN 5305-01-143-5042 is 5305

Does the NSN 5305-01-143-5042 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-143-5042 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 5305-01-143-5042 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-143-5042 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 5305-01-143-5042 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Sun, Dec 5, 1982