5305-00-450-5918

Find complete technical information, availability, and procurement data for: 5305-00-450-5918
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-450-5918

Item Name Code

06660

Assigment Date

12/26/1969 (56 years ago)

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).

flat countersunk head style, 1 washer quantity, 0.594 inches minimum and 0.625 inches maximum fastener length, cross recess type 1 internal drive style, 3a 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: 3a
Fastener Length: 0.594 inches minimum and 0.625 inches maximum
Head Style: flat countersunk
Washer Quantity: 1
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Countersink Angle: 100.0 degrees nominal
Primary Washer Outside Diameter: 0.740 inches minimum and 0.760 inches maximum
Primary Washer Style: finishing
Primary Washer Material Thickness: 0.022 inches minimum and 0.028 inches maximum
Thread Series Designator: unf

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
LS9378P10	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-450-5918?

The FSCG of the NSN 5305-00-450-5918 is 5305

Does NSN 5305-00-450-5918 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 5305-00-450-5918 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-450-5918 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 5305-00-450-5918 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Dec 26, 1969