5305-01-653-7646

Find complete technical information, availability, and procurement data for: 5305-01-653-7646
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-653-7646

Item Name Code

06657

Assigment Date

04/05/2016 (10 years ago)

A unit consisting of parallel tubes joined together by a header on headers, utilizing fins to increase the surface area. Designed to be used in conjunction with a duct in which a blower or fan is provided to circulate air through the unit to perform the function of cooling, heating , ventilating and/or dehumidifying (hvac).

0.87 inches nominal thread length, flat countersunk head style, 3a thread class, 0.938 inches nominal fastener 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: 3a
Thread Direction: right-hand
Thread Length: 0.87 inches nominal
Fastener Length: 0.938 inches nominal
Head Style: flat countersunk
Head Diameter: 0.319 inches minimum and 0.332 inches maximum
Internal Drive Style: offset cruciform ribbed
Nominal Thread Diameter: 0.1640 inches
Thread Quantity Per Inch: 32
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Part Name Assigned By Controlling Agency: screw, machine
Screw Material: steel comp 4140 or steel comp 4340 or steel comp 8740
Bearing Surface Of Head Surface Treatment: cadmium
Head Surface Treatment: cadmium
Screw Surface Treatment: cadmium
Shank Surface Treatment: cadmium
Thread Series Designator: unjc

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
NAS1102-08-15	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-653-7646?

The FSCG of the NSN 5305-01-653-7646 is 5305

Does the NSN 5305-01-653-7646 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-653-7646 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 5305-01-653-7646 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-653-7646 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 5305-01-653-7646 was assigned to the Federal Catalog?

It was assigned 10 years ago, on Tue, Apr 5, 2016