5305-01-657-3278

Find complete technical information, availability, and procurement data for: 5305-01-657-3278
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-657-3278

Item Name Code

18257

Assigment Date

08/08/2016 (9 years ago)

An item of flexible or nonflexible material used for carrying papers, prints, or similar documents. The nonflexible material type is a booklike item, the covers bound together at one edge. The flexible material type may open on one, two, or three sides, and may be equipped with a ring binder, handles, and/or pockets. The item may be kept closed by tie strings, slide fasteners, or other devices to hold the item in a closed position. Excludes:brief case and envelope, wallet.

1.00 inches nominal thread length, chamfer flange head style, 2.50 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: 1.00 inches nominal
Fastener Length: 2.50 inches nominal
Head Style: chamfer flange
Head Height: 0.39 inches nominal
Width Between Flats: 0.5510 inches minimum and 0.5625 inches maximum
Extended Washer Diameter: 0.81 inches nominal
End Item Identification: mrap - m-atv ui w/ogpk
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
Part Name Assigned By Controlling Agency: screw, flange, hex, tab g8 mb
Color: black overall
Material: steel overall
Surface Treatment: phosphate 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
3970536022	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-657-3278?

The FSCG of the NSN 5305-01-657-3278 is 5305

Does the NSN 5305-01-657-3278 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-657-3278 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 5305-01-657-3278 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-657-3278 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 5305-01-657-3278 was assigned to the Federal Catalog?

It was assigned 9 years ago, on Mon, Aug 8, 2016