5305-01-371-7166

Find complete technical information, availability, and procurement data for: 5305-01-371-7166
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-371-7166

Item Name Code

22846

Assigment Date

02/21/1993 (33 years ago)

A device capable of producing heat from gas, liquid fuel, or an electrical heating element designed for permanent installation in sheet metal ducts of a forced air circulating system. It consists of (1) a finned, steel burner tube, a combustion air blower, a control panel, and a constant level fuel supply system or (2) a device having a heating element which when connected to an electrical source, directly imparts heat. It may be provided with a flanged outer casing to facilitate mounting in planned or existing duct work. Circulation of the heated air is achieved by use of a blower or fan not integral with the heating unit.

0.752 inches minimum and 0.757 inches maximum fastener length, flat chamfer head style, 2a thread class, right-hand thread direction, 0.500 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: 0.500 inches maximum
Fastener Length: 0.752 inches minimum and 0.757 inches maximum
Head Style: flat chamfer
Head Diameter: 0.562 inches nominal
Head Height: 0.243 inches minimum and 0.248 inches maximum
Shoulder Diameter: 0.373 inches minimum and 0.374 inches maximum first shoulder
Shoulder Length: 0.257 inches minimum and 0.257 inches maximum first shoulder
Locking Feature: patch threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.188 inches minimum and 0.190 inches maximum
Thread Quantity Per Inch: 18
Hardness Rating: 38.0 rockwell c minimum and 42.0 rockwell c maximum fastener
Shoulder Shape: round first shoulder
Color: black fastener
Material: plastic polyamide (nylon) locking featuresteel comp 4140 fastener
Material Document And Classification: aisi 4140 assn std single material response fastener
Surface Treatment: oxide fastener
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
6303509-001	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-371-7166?

The FSCG of the NSN 5305-01-371-7166 is 5305

Does the NSN 5305-01-371-7166 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-371-7166 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 5305-01-371-7166 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-371-7166 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 5305-01-371-7166 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Sun, Feb 21, 1993