5305-00-026-6554

Find complete technical information, availability, and procurement data for: 5305-00-026-6554
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-026-6554

Item Name Code

16282

Assigment Date

01/01/1963 (63 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

3a thread class, right-hand thread direction, flat chamfer head style, 1.375 inches nominal fastener length, 1.232 inches maximum thread 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: 1.232 inches maximum
Fastener Length: 1.375 inches nominal
Head Style: flat chamfer
Head Diameter: 0.642 inches minimum and 0.656 inches maximum
Head Height: 0.430 inches minimum and 0.437 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.438 inches
Width Across Flats: 0.375 inches minimum and 0.379 inches maximum
Thread Quantity Per Inch: 14
Hardness Rating: 36.0 rockwell c minimum and 45.0 rockwell c maximum overall
Minimum Yield Strength: 130000 pounds per square inch
Part Name Assigned By Controlling Agency: navy special project
Material: steel overall
Material Document And Classification: 66 fed std single material response overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: qq-z-325 fed spec 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
734908PC186	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-026-6554?

The FSCG of the NSN 5305-00-026-6554 is 5305

Does the NSN 5305-00-026-6554 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-026-6554 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 5305-00-026-6554 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-026-6554 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 5305-00-026-6554 was assigned to the Federal Catalog?

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