5305-01-443-0901

Find complete technical information, availability, and procurement data for: 5305-01-443-0901
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-443-0901

Item Name Code

06657

Assigment Date

04/01/1997 (29 years ago)

A device having one or more heating elements that, when connected to an electrical source, directly radiates heat. The circulation of the heated air may be provided by a built-in fan or blower. For non-electric space heaters, see heater, space.

0.138 inches minimum and 0.187 inches maximum thread length, 0.156 inches minimum and 0.187 inches maximum fastener length, flat countersunk head style, 2a thread class, 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: 2a
Thread Direction: right-hand
Thread Length: 0.138 inches minimum and 0.187 inches maximum
Fastener Length: 0.156 inches minimum and 0.187 inches maximum
Head Style: flat countersunk
Head Diameter: 0.191 inches minimum and 0.225 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: steel corrosion resisting
Special Features: silicone rubber o-ring under head zz-r-765, cl1 or cl2, grade 70
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
206640-1	Machine Screw
SFR-0440X1/4-2701	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-443-0901?

The FSCG of the NSN 5305-01-443-0901 is 5305

Does the NSN 5305-01-443-0901 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-443-0901 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 5305-01-443-0901 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-443-0901 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 5305-01-443-0901 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Tue, Apr 1, 1997