5305-01-568-1024

Find complete technical information, availability, and procurement data for: 5305-01-568-1024
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-568-1024

Item Name Code

22846

Assigment Date

10/20/2008 (17 years ago)

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes:disk, valve, graphite impregnated and lubricated items.

0.641 inches nominal thread length, 1.953 inches nominal fastener length, 3a thread class, flat countersunk undercut head style, 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: 3a
Thread Direction: right-hand
Thread Length: 0.641 inches nominal
Fastener Length: 1.953 inches nominal
Head Style: flat countersunk undercut
Head Diameter: 0.756 inches minimum and 0.760 inches maximum
Head Height: 0.109 inches minimum and 0.111 inches maximum
Shoulder Diameter: 0.389 inches minimum and 0.390 inches maximum first shoulder
Shoulder Length: 1.129 inches minimum and 1.151 inches maximum first shoulder
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 24
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Shoulder Shape: round first shoulder
Special Features: furnished with one rubber o ring
Material: steel comp xm-13 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
11927C6-21A	Shoulder Screw
HT4020-6-21AX	Shoulder Screw
ST3M653C6-21A	Shoulder Screw
WC4020-6-21AX	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-568-1024?

The FSCG of the NSN 5305-01-568-1024 is 5305

Does the NSN 5305-01-568-1024 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-568-1024 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 5305-01-568-1024 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-568-1024 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 5305-01-568-1024 was assigned to the Federal Catalog?

It was assigned 17 years ago, on Mon, Oct 20, 2008