5305-01-225-6306

Find complete technical information, availability, and procurement data for: 5305-01-225-6306
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-225-6306

Item Name Code

06657

Assigment Date

02/05/1986 (40 years ago)

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. The threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. For items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

flat chamfer head style, 0.312 inches nominal fastener length, right-hand thread direction, 0.212 inches nominal thread length, 2a thread class

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: 0.212 inches nominal
Fastener Length: 0.312 inches nominal
Head Style: flat chamfer
Head Diameter: 0.359 inches nominal
Head Height: 0.188 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Screw Material: copper alloy
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
NMP104 PIECE 2	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-225-6306?

The FSCG of the NSN 5305-01-225-6306 is 5305

Does the NSN 5305-01-225-6306 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-01-225-6306 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 5305-01-225-6306 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-225-6306 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 5305-01-225-6306 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Wed, Feb 5, 1986