5305-01-623-0286

Find complete technical information, availability, and procurement data for: 5305-01-623-0286
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-623-0286

Item Name Code

06657

Assigment Date

10/29/2013 (12 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.

hexagon extended washer head style, 2a thread class, 0.625 inches minimum and 1.000 inches maximum fastener length, 0.240 inches minimum and 0.260 inches maximum thread length, right-hand thread direction

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: 0.240 inches minimum and 0.260 inches maximum
Fastener Length: 0.625 inches minimum and 1.000 inches maximum
Head Style: hexagon extended washer
Head Height: 0.150 inches minimum and 0.163 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
Extended Washer Diameter: 0.488 inches minimum
Internal Drive Style: w/o internal drive
End Item Identification: 1240-01-553-5866
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Part Name Assigned By Controlling Agency: hex head captive machine screw assembly
Screw Material: steel comp 302 and steel comp 303 and steel comp 304
Screw Surface Treatment: passivate
Special Features: assembly with split lock washer and flat washer
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
114109-1.0-SS-G-12	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-623-0286?

The FSCG of the NSN 5305-01-623-0286 is 5305

Does the NSN 5305-01-623-0286 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-623-0286 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 5305-01-623-0286 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-623-0286 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 5305-01-623-0286 was assigned to the Federal Catalog?

It was assigned 12 years ago, on Tue, Oct 29, 2013