5305-01-478-9928

Find complete technical information, availability, and procurement data for: 5305-01-478-9928
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-478-9928

Item Name Code

01852

Assigment Date

10/05/2000 (25 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.

0.250 inches nominal thread length, 0.797 inches minimum and 0.907 inches maximum fastener length, right-hand thread direction, oval countersunk undercut head style, 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: 0.250 inches nominal
Fastener Length: 0.797 inches minimum and 0.907 inches maximum
Head Style: oval countersunk undercut
Head Diameter: 0.312 inches nominal
Head Height: 0.100 inches minimum and 0.120 inches maximum
First Diameter From Head: 0.119 inches minimum and 0.125 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.453 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Countersink Angle: 81.0 degrees minimum and 83.0 degrees maximum
Externally Relieved Body Diameter Quantity: 1
Material: steel corrosion resisting overall
Material Document And Classification: astm-a-581 assn std single material response or astm-a-582 assn std single material 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
555660	Externally Relieved Body Screw
931SS0	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-01-478-9928?

The FSCG of the NSN 5305-01-478-9928 is 5305

Does the NSN 5305-01-478-9928 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-478-9928 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 5305-01-478-9928 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-478-9928 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 5305-01-478-9928 was assigned to the Federal Catalog?

It was assigned 25 years ago, on Thu, Oct 5, 2000