5305-01-385-4637

Find complete technical information, availability, and procurement data for: 5305-01-385-4637
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-385-4637

Item Name Code

29294

Assigment Date

01/12/1994 (32 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

3a thread class, 0.578 inches minimum and 0.625 inches maximum fastener length, 0.406 inches nominal thread length, right-hand thread direction, flat countersunk undercut 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: 3a
Thread Direction: right-hand
Thread Length: 0.406 inches nominal
Fastener Length: 0.578 inches minimum and 0.625 inches maximum
Head Style: flat countersunk undercut
Head Diameter: 0.3765 inches minimum and 0.3813 inches maximum
Head Height: 0.080 inches nominal
Grip Diameter: 0.1890 inches minimum and 0.1895 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.178 inches minimum and 0.198 inches maximum
Features Provided: o ring
Thread Quantity Per Inch: 32
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: steel corrosion resisting overall
Material Document And Classification: 23-112,cagec 76301 mfr ref single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unjf

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
HT4020-3-3A	Close Tolerance Screw
ST3M652C3-3A	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-385-4637?

The FSCG of the NSN 5305-01-385-4637 is 5305

Does the NSN 5305-01-385-4637 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-385-4637 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 5305-01-385-4637 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-385-4637 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 5305-01-385-4637 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Wed, Jan 12, 1994