51-18-610-24

View detailed technical data, stock status, and sourcing information for: 51-18-610-24
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-157-5635

Item Name Code

33044

Assigment Date

07/08/1983 (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.

0.906 inches nominal fastener length, right-hand thread direction, double chamfer head style, 0.281 inches nominal thread length, 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: 0.281 inches nominal
Fastener Length: 0.906 inches nominal
Head Style: double chamfer
Head Diameter: 0.312 inches nominal
Head Height: 0.188 inches nominal
Internal Drive Style: slot
Material Accommodated Thickness: 0.115 inches minimum and 0.130 inches maximum
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Part Name Assigned By Controlling Agency: navy special project
Special Features: head vertically knurled
Material: steel corrosion resisting fastener
Material: steel corrosion resisting stand-off
Surface Treatment: passivate fastener
Surface Treatment: passivate stand-off
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
51-18-610-24	Panel Screw Assembly
7946A52H01	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-157-5635?

The FSCG of the NSN 5305-01-157-5635 is 5305

Does the NSN 5305-01-157-5635 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-157-5635 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 5305-01-157-5635 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-157-5635 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 5305-01-157-5635 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Fri, Jul 8, 1983