400 6640207 REV-ITEM 13

View detailed technical data, stock status, and sourcing information for: 400 6640207 REV-ITEM 13
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-357-5631

Item Name Code

16282

Assigment Date

04/26/1992 (34 years ago)

A straight, hollow product, welded or seamless, of round, square, or any other cross section and continuous periphery, which does not conform in cross sectional dimensions to recognized pipe standards. It is designed to convey fluids, gasses, and/or semisolids. It may be rolled into coils for ease in handling. For items designed to join a tube or tube fitting to another tube, pipe, or hose or fitting, see adapter (as modified); couplig (as modified); or nipple (as modified). Excludes: tube,bent (as modified); pipe,metallic; spacer sleeve; metal bar (hollow); and items with fitting, except end protectors.

right-hand thread direction, 3a thread class, flat chamfer head style, 0.889 inches nominal thread length, 1.000 inches nominal 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: 3a
Thread Direction: right-hand
Thread Length: 0.889 inches nominal
Fastener Length: 1.000 inches nominal
Head Style: flat chamfer
Head Diameter: 0.457 inches minimum and 0.469 inches maximum
Head Height: 0.306 inches minimum and 0.312 inches maximum
Locking Feature: patch or pellet or strip locking feature
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.250 inches minimum and 0.253 inches maximum
Thread Quantity Per Inch: 18
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 39.0 rockwell c minimum and 45.0 rockwell c maximum fastener
Material: nickel alloy 400 fastener
Material Document And Classification: qq-n-281,cl a fed spec single material response fastener
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
400 6640207 REV-ITEM 13	Socket Head Cap Screw
M8820069	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-357-5631?

The FSCG of the NSN 5305-01-357-5631 is 5305

Does the NSN 5305-01-357-5631 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-357-5631 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 5305-01-357-5631 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-357-5631 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 5305-01-357-5631 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Sun, Apr 26, 1992