S2329074-17A

View detailed technical data, stock status, and sourcing information for: S2329074-17A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-639-5238

Item Name Code

16282

Assigment Date

01/01/1963 (63 years ago)

A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes:nut (1), plain, slotted, hexagon.

right-hand thread direction, 1.766 inches nominal fastener length, 0.328 inches minimum thread length, 3a thread class, 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: 0.328 inches minimum
Fastener Length: 1.766 inches nominal
Head Style: flat countersunk
Head Diameter: 0.497 inches minimum and 0.507 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.156 inches nominal
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Countersink Angle: 100.0 degrees nominal
Part Name Assigned By Controlling Agency: navy special project
Material: steel overall
Surface Treatment: cadmium head
Surface Treatment: cadmium threads
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
S2329074-17A	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-639-5238?

The FSCG of the NSN 5305-00-639-5238 is 5305

Does the NSN 5305-00-639-5238 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-639-5238 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 5305-00-639-5238 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-639-5238 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 5305-00-639-5238 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963