5305-01-678-8596

Find complete technical information, availability, and procurement data for: 5305-01-678-8596
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-678-8596

Item Name Code

18257

Assigment Date

03/01/2019 (7 years ago)

A rigid item designed to suspend, support, retain and/or position vehicular component and/or attachment items. Do not use if a more specific item name exists.

2a thread class, 2.156 inches minimum and 2.250 inches maximum fastener length, 1.125 inches minimum and 1.313 inches maximum thread length, right-hand thread direction, hexagon 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: 2a
Thread Direction: right-hand
Thread Length: 1.125 inches minimum and 1.313 inches maximum
Fastener Length: 2.156 inches minimum and 2.250 inches maximum
Head Style: hexagon
Head Height: 0.272 inches minimum and 0.291 inches maximum
Width Between Flats: 0.612 inches minimum and 0.625 inches maximum
End Item Identification: 5420-01-545-7365
Nominal Thread Diameter: 0.4375 inches
Thread Quantity Per Inch: 14
Minimum Tensile Strength: 150000 pounds per square inch
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Surface Finish: 63.0 microinches threads
Material: steel overall
Material Document And Classification: saej429 grade bd assn std single material response overall
Surface Treatment: aluminum and zinc overall
Surface Treatment Document And Classification: astm b633 ty 2 sc 3 assn std 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
AES01C438B25AW9M31	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-678-8596?

The FSCG of the NSN 5305-01-678-8596 is 5305

Does the NSN 5305-01-678-8596 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-678-8596 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 5305-01-678-8596 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-678-8596 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 5305-01-678-8596 was assigned to the Federal Catalog?

It was assigned 7 years ago, on Fri, Mar 1, 2019