5305-01-642-5170

Find complete technical information, availability, and procurement data for: 5305-01-642-5170
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-642-5170

Item Name Code

06657

Assigment Date

02/27/2015 (11 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.

1.560 inches nominal thread length, right-hand thread direction, 1.609 inches minimum and 1.656 inches maximum fastener length, hexagon head style, 3a thread class

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: 1.560 inches nominal
Fastener Length: 1.609 inches minimum and 1.656 inches maximum
Head Style: hexagon
Head Height: 0.156 inches minimum and 0.171 inches maximum
Width Between Flats: 0.429 inches minimum and 0.439 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.3125 inches
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 160000 pounds per square inch
Screw Material: iron alloy 660
Thread Series Designator: unjf

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
NAS1802-5-26	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-642-5170?

The FSCG of the NSN 5305-01-642-5170 is 5305

Does the NSN 5305-01-642-5170 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-642-5170 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 5305-01-642-5170 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-642-5170 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 5305-01-642-5170 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Fri, Feb 27, 2015