2680-0053

View detailed technical data, stock status, and sourcing information for: 2680-0053
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-083-6361

Item Name Code

16282

Assigment Date

09/28/1979 (46 years ago)

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

pan head style, 0.356 inches minimum and 0.438 inches maximum thread length, right-hand thread direction, 2a thread class, 0.418 inches minimum and 0.438 inches maximum fastener length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 0.356 inches minimum and 0.438 inches maximum
Fastener Length: 0.418 inches minimum and 0.438 inches maximum
Head Style: pan
Head Diameter: 0.357 inches minimum and 0.373 inches maximum
Head Height: 0.122 inches minimum and 0.133 inches maximum
Locking Feature: lockwasher bearing surface of head
Internal Drive Style: cross recess type ia
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Material: steel comp 302 or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 310 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: passivate 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
2680-0053	Socket Head Cap Screw
D0CP1-2680-0053	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-083-6361?

The FSCG of the NSN 5305-01-083-6361 is 5305

Does the NSN 5305-01-083-6361 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-083-6361 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 5305-01-083-6361 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-083-6361 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 5305-01-083-6361 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Fri, Sep 28, 1979