5305-00-685-7658

Find complete technical information, availability, and procurement data for: 5305-00-685-7658
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-685-7658

Item Name Code

06660

Assigment Date

01/01/1963 (63 years ago)

binding head style, 0.396 inches minimum thread length, 2a thread class, right-hand thread direction, 0.438 inches nominal fastener 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: 0.396 inches minimum
Fastener Length: 0.438 inches nominal
Head Style: binding
Head Diameter: 0.197 inches minimum and 0.208 inches maximum
Head Height: 0.051 inches nominal
Washer Quantity: 1
Internal Drive Style: slot
Nominal Thread Diameter: 0.051 inches
Thread Quantity Per Inch: 48
Primary Washer Outside Diameter: 0.220 inches nominal
Primary Washer Style: flat internal teeth
Primary Washer Material Thickness: 0.027 inches minimum and 0.034 inches maximum
Part Name Assigned By Controlling Agency: navy special project
Material: copper alloy fastener
Material: steel comp 410 primary washer
Surface Treatment: passivate primary washer
Surface Treatment: nickel threads
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-687-7153	No Name Available	05/20/1988

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
503-7-16	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-00-685-7658?

The FSCG of the NSN 5305-00-685-7658 is 5305

Does the NSN 5305-00-685-7658 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-00-685-7658 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 5305-00-685-7658 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-685-7658 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 5305-00-685-7658 was assigned to the Federal Catalog?

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