5305-01-666-4043

Find complete technical information, availability, and procurement data for: 5305-01-666-4043
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-666-4043

Item Name Code

06657

Assigment Date

09/06/2017 (8 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

2.676 inches minimum and 2.706 inches maximum fastener length, 0.311 inches minimum and 0.321 inches maximum thread length, 3a thread class, right-hand thread direction, pan head style

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: 0.311 inches minimum and 0.321 inches maximum
Fastener Length: 2.676 inches minimum and 2.706 inches maximum
Head Style: pan
Head Diameter: 0.473 inches minimum and 0.492 inches maximum
Head Height: 0.162 inches minimum and 0.175 inches maximum
Internal Drive Style: offset cruciform ribbed
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum
Screw Material: steel comp 4340 or steel comp 8740 or steel comp 8735 or steel comp 6150 or steel comp 4140 or steel comp e4340
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416 ty 2 cl 3 fed spec single treatment response
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1634 national std/spec

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
NAS1634-38D	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-666-4043?

The FSCG of the NSN 5305-01-666-4043 is 5305

Does the NSN 5305-01-666-4043 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-666-4043 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 5305-01-666-4043 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-666-4043 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 5305-01-666-4043 was assigned to the Federal Catalog?

It was assigned 8 years ago, on Wed, Sep 6, 2017