5305-01-256-6804

Find complete technical information, availability, and procurement data for: 5305-01-256-6804
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-256-6804

Item Name Code

06657

Assigment Date

06/08/1987 (39 years ago)

2a thread class, 0.554 inches minimum and 0.625 inches maximum thread length, pan no. 2 head style, 0.625 inches nominal fastener length, right-hand thread direction

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: 0.554 inches minimum and 0.625 inches maximum
Fastener Length: 0.625 inches nominal
Head Style: pan no. 2
Head Diameter: 0.443 inches minimum and 0.472 inches maximum
Head Height: 0.160 inches minimum and 0.175 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Part Name Assigned By Controlling Agency: navy special project
Screw Material: plastic
Color: natural
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
1/4-28X0.625 LONG	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-256-6804?

The FSCG of the NSN 5305-01-256-6804 is 5305

Does the NSN 5305-01-256-6804 have a Schedule B code assigned?

Yes, the Schedule B code is 3926909987

Does NSN 5305-01-256-6804 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 5305-01-256-6804 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-256-6804 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 5305-01-256-6804 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Mon, Jun 8, 1987