5305-01-657-4471

Find complete technical information, availability, and procurement data for: 5305-01-657-4471
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-657-4471

Item Name Code

18257

Assigment Date

08/15/2016 (9 years ago)

An item designed to couple or join two different types or sizes of conduits, and/or to be inserted in the opening of a conduit outlet or box to accommodate a conduit of a larger or smaller size; or it may be designed with internal thread on one end for mating with an electrical connector and an external thread on the other end for mating with a conduit coupling nut; or to establish necessary mechanical accommodations between an electrical conduit, conduit assembly and an electrical connector. Excludes:reducing washer, knockout and box connector, electrical. See also adapter, cable to connector; and chase nipple, conduit.

right-hand thread direction, 12.8 millimeters maximum head height, chamfer flange head style, 60.0 millimeters nominal fastener length, 60.0 millimeters nominal 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 Direction: right-hand
Thread Length: 60.0 millimeters nominal
Fastener Length: 60.0 millimeters nominal
Head Style: chamfer flange
Head Height: 12.8 millimeters maximum
Width Between Flats: 17.73 millimeters minimum and 18.00 millimeters maximum
Extended Washer Diameter: 30.5 millimeters minimum
End Item Identification: mrap - m-atv
Nominal Thread Diameter: 14.0 millimeters
Thread Pitch In Millimeters: 2.0
Color: black overall
Material: steel property class 10.9 overall
Surface Treatment: phosphate zinc overall
Thread Series Designator: m

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
3836197016	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-657-4471?

The FSCG of the NSN 5305-01-657-4471 is 5305

Does the NSN 5305-01-657-4471 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-657-4471 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 5305-01-657-4471 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-657-4471 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 5305-01-657-4471 was assigned to the Federal Catalog?

It was assigned 9 years ago, on Mon, Aug 15, 2016