5305-01-643-9838

Find complete technical information, availability, and procurement data for: 5305-01-643-9838
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-643-9838

Item Name Code

18257

Assigment Date

04/17/2015 (11 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"."

hexagon extended washer head style, 1.000 inches nominal thread length, 1.000 inches nominal fastener length, 2a thread class, right-hand thread direction

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: 1.000 inches nominal
Fastener Length: 1.000 inches nominal
Head Style: hexagon extended washer
Handle Diameter: 0.190 inches nominal
Head Height: 0.151 inches nominal
Width Between Flats: 0.313 inches nominal
Extended Washer Diameter: 0.414 inches nominal
End Item Identification: 5419-01-539-7180 expeditionary containerized batch laundry system
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 16
External Thread Tolerance Class: 2a
Part Name Assigned By Controlling Agency: screw for sheet metal, hexagon head with washer
Material: steel overall
Surface Treatment: zinc 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
93880A247	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-643-9838?

The FSCG of the NSN 5305-01-643-9838 is 5305

Does the NSN 5305-01-643-9838 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-643-9838 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 5305-01-643-9838 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-643-9838 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 5305-01-643-9838 was assigned to the Federal Catalog?

It was assigned 11 years ago, on Fri, Apr 17, 2015