5305-00-285-5273

Find complete technical information, availability, and procurement data for: 5305-00-285-5273
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-285-5273

Item Name Code

06660

Assigment Date

01/01/1963 (63 years ago)

A screw, (as modified) to which has been assembled one or more nonremovable washer(s).

fillister head style, 0.750 inches nominal fastener length, 2a thread class, right-hand thread direction, 0.660 inches maximum thread length

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: 0.660 inches maximum
Fastener Length: 0.750 inches nominal
Head Style: fillister
Head Diameter: 0.166 inches minimum and 0.183 inches maximum
Head Height: 0.069 inches minimum and 0.079 inches maximum
Washer Quantity: 1
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum primary washer
Primary Washer Outside Diameter: 0.171 inches minimum and 0.184 inches maximum
Primary Washer Style: split helical ring
Primary Washer Material Thickness: 0.020 inches minimum
Surface Treatment: cadmium or zinc overall
Surface Treatment Document And Classification: qq-p-416,ty 1,cl 3 fed spec 1st treatment response or qq-z-325,ty 1,cl 3 fed spec 2nd treatment 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
454688	Assembled Washer Screw
5305002855273	Assembled Washer Screw
5306002855273	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-285-5273?

The FSCG of the NSN 5305-00-285-5273 is 5305

Does NSN 5305-00-285-5273 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 5305-00-285-5273 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-285-5273 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 5305-00-285-5273 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963