5305-01-657-4068

Find complete technical information, availability, and procurement data for: 5305-01-657-4068
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-657-4068

Item Name Code

18257

Assigment Date

08/11/2016 (9 years ago)

"an item designed to electrically connect and mechanically position the base of an item having plug-in-type contacts, and to facilitate replacement of the item accommodated. It includes sockets which accommodate the contacts of capacitors, coils, crystals, electron tubes, relays, semiconductor devices and vibrators. Excludes:sockets or receptacles designed to accommodate plug-in component circuit boards (printed circuit boards) and electronic modules or sub-assemblies. Also excludes:heat-dissipating (not heat-sinks) sockets for mounting "power transistors"."

right-hand thread direction, hexagon head style, 0.75 inches nominal thread length, 3.50 inches nominal fastener length, 2a 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: 2a
Thread Direction: right-hand
Thread Length: 0.75 inches nominal
Fastener Length: 3.50 inches nominal
Head Style: hexagon
Head Height: 0.150 inches minimum and 0.163 inches maximum
Width Between Flats: 0.428 inches minimum and 0.438 inches maximum
End Item Identification: mrap - m-atv
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Special Features: material: grade 8 steel
Color: black overall
Material: steel overall
Surface Treatment: phosphate overall
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
4087512013	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-657-4068?

The FSCG of the NSN 5305-01-657-4068 is 5305

Does the NSN 5305-01-657-4068 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-657-4068 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 5305-01-657-4068 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-657-4068 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 5305-01-657-4068 was assigned to the Federal Catalog?

It was assigned 9 years ago, on Thu, Aug 11, 2016