5305-01-333-6400

Find complete technical information, availability, and procurement data for: 5305-01-333-6400
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-333-6400

Item Name Code

18257

Assigment Date

02/08/1991 (35 years ago)

hexagon head style, right-hand thread direction, 2.500 inches minimum and 2.858 inches maximum thread length, 3.312 inches minimum and 3.500 inches maximum fastener length, 2a 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: 2a
Thread Direction: right-hand
Thread Length: 2.500 inches minimum and 2.858 inches maximum
Fastener Length: 3.312 inches minimum and 3.500 inches maximum
Head Style: hexagon
Head Height: 0.658 inches minimum and 0.718 inches maximum
Width Between Flats: 1.633 inches minimum and 1.648 inches maximum
Nominal Thread Diameter: 1.125 inches
Thread Quantity Per Inch: 7
Minimum Tensile Strength: 70000 pounds per square inch
Hardness Rating: 80.0 rockwell b minimum overall
Material: steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 2 type and 10p style

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
MS35307-556	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-333-6400?

The FSCG of the NSN 5305-01-333-6400 is 5305

Does the NSN 5305-01-333-6400 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-333-6400 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 5305-01-333-6400 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-333-6400 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 5305-01-333-6400 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Fri, Feb 8, 1991