5305-01-478-8277

Find complete technical information, availability, and procurement data for: 5305-01-478-8277
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-478-8277

Item Name Code

16282

Assigment Date

09/28/2000 (25 years ago)

A circular shaped item with an aperture manufactured to predetermined dimensions, constructed with a rectangular cross section that may be solid, with joint, or in a helical form that facilitates spiral wrap installation. It prevents seal extrusion under pressure and is designed to fit on the down-pressure side of a gland groove with a packing, preformed or o-ring.

flat chamfer head style, right-hand thread direction, 0.220 inches nominal fastener length, 3a thread class, 0.375 inches 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 Class: 3a
Thread Direction: right-hand
Thread Length: 0.375 inches nominal
Fastener Length: 0.220 inches nominal
Head Style: flat chamfer
Head Diameter: 0.134 inches minimum and 0.140 inches maximum
Head Height: 0.083 inches minimum and 0.086 inches maximum
Internal Drive Style: hexagon
End Item Identification: f-18 e/f
Nominal Thread Diameter: 0.086 inches
Width Across Flats: 0.078 inches nominal
Thread Quantity Per Inch: 56
Criticality Code Justification: agav
Part Name Assigned By Controlling Agency: srew,cap,aircraft
Material: steel overall
Material Document And Classification: 66 fed std fed spec all material responses overall
Surface Treatment: passivate 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
A01402-306	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-478-8277?

The FSCG of the NSN 5305-01-478-8277 is 5305

Does the NSN 5305-01-478-8277 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-478-8277 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 5305-01-478-8277 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-478-8277 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 5305-01-478-8277 was assigned to the Federal Catalog?

It was assigned 25 years ago, on Thu, Sep 28, 2000