LT51043

View detailed technical data, stock status, and sourcing information for: LT51043
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-322-5057

Item Name Code

16282

Assigment Date

07/08/1990 (36 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.

3a thread class, 1.052 inches nominal fastener length, right-hand thread direction, 0.969 inches minimum thread length, flat countersunk 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: 0.969 inches minimum
Fastener Length: 1.052 inches nominal
Head Style: flat countersunk
Head Diameter: 0.600 inches minimum and 0.656 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.188 inches nominal
Thread Quantity Per Inch: 24
Countersink Angle: 82.0 degrees nominal
Color: gold overall
Material: steel overall
Material Document And Classification: mil-b-933 mil spec single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2,cl 2 fed spec single treatment response overall
Thread Series Designator: unf

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
LT51043	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-322-5057?

The FSCG of the NSN 5305-01-322-5057 is 5305

Does the NSN 5305-01-322-5057 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-322-5057 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 5305-01-322-5057 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-322-5057 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 5305-01-322-5057 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Sun, Jul 8, 1990