5305-01-377-6223

Find complete technical information, availability, and procurement data for: 5305-01-377-6223
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-377-6223

Item Name Code

06657

Assigment Date

07/22/1993 (33 years ago)

A headless, generally cylindrically-shaped item having a straight, smooth, solid body, with or without a drilled hole(s). It has an outside diameter equal to or less than its length. Its length must not exceed twelve inches (304 mm); for items whose length exceeds twelve inches (304 mm); see rod,straight,headless. It is used for aligning or transfer of torque and/or thrust, by fitting into corresponding holes of another item. See also pin,straight,threaded.

right-hand thread direction, 0.390 inches minimum and 0.403 inches maximum thread length, 2a thread class, 0.500 inches nominal fastener length, flat countersunk 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: 0.390 inches minimum and 0.403 inches maximum
Fastener Length: 0.500 inches nominal
Head Style: flat countersunk
Head Diameter: 0.477 inches minimum and 0.507 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Part Name Assigned By Controlling Agency: navy special project
Screw Material: steel
Screw Material Document And Classification: b4b2, cage 02982 mfr ref single material response
Screw Surface Treatment: zinc
Screw Surface Treatment Document And Classification: f70b4a, cage 02982 mfr ref single treatment response
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
577A159P1	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-377-6223?

The FSCG of the NSN 5305-01-377-6223 is 5305

Does the NSN 5305-01-377-6223 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-377-6223 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 5305-01-377-6223 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-377-6223 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 5305-01-377-6223 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Thu, Jul 22, 1993