5305-00-245-0428

Find complete technical information, availability, and procurement data for: 5305-00-245-0428
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-245-0428

Item Name Code

18257

Assigment Date

01/01/1963 (63 years ago)

Cancelled

This item was cancelled on: 07/01/2025.

A noise control/filtering device of various sizes, shapes, designs, materials (metallic/non-metallic) and varied mounting configurations used to diffuse air blasts, lowers air velocity, reduce noise, filtration of airborne moisture and/or dust contamination, pressure equalization, speed control for air operated devices. For vehicular application see muffler, (as modified).

1.125 inches nominal thread length, right-hand thread direction, hexagon head style, 2a thread class, 1.125 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: 2a
Thread Direction: right-hand
Thread Length: 1.125 inches nominal
Fastener Length: 1.125 inches nominal
Head Style: hexagon
Head Height: 0.281 inches nominal
Width Between Flats: 0.625 inches nominal
Nominal Thread Diameter: 0.438 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
Material: steel overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: ii type and 10p style and 7 grade
Departure From Cited Document: as modified by lg

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-206-0043	No Name Available	01/01/1963

FAQs

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

What is the FSCG of the NSN 5305-00-245-0428?

The FSCG of the NSN 5305-00-245-0428 is 5305

Does the NSN 5305-00-245-0428 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-245-0428 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 5305-00-245-0428 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-245-0428 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 5305-00-245-0428 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963