5305-01-486-7543

Find complete technical information, availability, and procurement data for: 5305-01-486-7543
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-486-7543

Item Name Code

18257

Assigment Date

07/13/2001 (25 years ago)

A tubular item specifically designed for directing the flow of a fluid, and must accommodate a cap (as modified) or breather on one end. The opposite end has provisions for mounting directly on, or indirectly through a pipe, tube, or hose to a stationary or portable tank or reservoir (as modified); an engine crankcase; radiator; transmission housing; and the like. It may have means for overflow. For items which do not accommodate a cap (as modified) or breather see tube; pipe; or hose (as modified). See also filler neck, aircraft components and filler neck, vehicular components.

1.250 inches minimum thread length, 2a thread class, right-hand thread direction, 1.875 inches nominal fastener length, hexagon 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: 2a
Thread Direction: right-hand
Thread Length: 1.250 inches minimum
Fastener Length: 1.875 inches nominal
Head Style: hexagon
Head Height: 0.302 inches minimum and 0.323 inches maximum
Width Between Flats: 0.750 inches nominal
End Item Identification: hatch ballistic,aircraft carrier cvn 74
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 13
Material: steel overall
Material Document And Classification: sae gr 2 assn std single material response overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 2 type

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
122-6776881 PC 41	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-486-7543?

The FSCG of the NSN 5305-01-486-7543 is 5305

Does the NSN 5305-01-486-7543 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-486-7543 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 5305-01-486-7543 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-486-7543 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 5305-01-486-7543 was assigned to the Federal Catalog?

It was assigned 25 years ago, on Fri, Jul 13, 2001