5305-01-026-3780

Find complete technical information, availability, and procurement data for: 5305-01-026-3780
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-026-3780

Item Name Code

16282

Assigment Date

08/22/1976 (49 years ago)

0.438 inches nominal thread length, 1.688 inches nominal fastener length, flat chamfer head style, 3a thread class, right-hand thread direction

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: 0.438 inches nominal
Fastener Length: 1.688 inches nominal
Head Style: flat chamfer
Head Diameter: 0.438 inches nominal
Head Height: 0.219 inches nominal
Locking Feature: patch threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.188 inches nominal
Thread Quantity Per Inch: 20
Hardness Rating: 38.0 rockwell c minimum and 42.0 rockwell c maximum overall
Special Features: self locking device
Material: steel overall
Material Document And Classification: aisi 4037 assn std single material response overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: qq-z-325,ty 2,cl 3 fed spec single treatment response overall
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
2462437 PIECE 13	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-026-3780?

The FSCG of the NSN 5305-01-026-3780 is 5305

Does the NSN 5305-01-026-3780 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-026-3780 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 5305-01-026-3780 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-026-3780 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 5305-01-026-3780 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sun, Aug 22, 1976