5305-01-666-3270

Find complete technical information, availability, and procurement data for: 5305-01-666-3270
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-666-3270

Item Name Code

18257

Assigment Date

09/01/2017 (8 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, splined or smoothed, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).

0.375 inches nominal fastener length, 2a thread class, right-hand thread direction, hexagon extended washer head style, 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: 2a
Thread Direction: right-hand
Thread Length: 0.375 inches nominal
Fastener Length: 0.375 inches nominal
Head Style: hexagon extended washer
Head Height: 0.115 inches minimum and 0.141 inches maximum
Width Between Flats: 0.244 inches minimum and 0.250 inches maximum
Extended Washer Diameter: 0.322 inches minimum and 0.348 inches maximum
Extended Washer Thickness: 0.019 inches minimum and 0.031 inches maximum
End Item Identification: mrap - m-atv
Nominal Thread Diameter: 0.1640 inches
Thread Quantity Per Inch: 32
Part Name Assigned By Controlling Agency: screw, washer, hex, num. 8 - 32 x .38 ss
Material: steel 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
4284610	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-666-3270?

The FSCG of the NSN 5305-01-666-3270 is 5305

Does the NSN 5305-01-666-3270 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-666-3270 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 5305-01-666-3270 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-666-3270 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 5305-01-666-3270 was assigned to the Federal Catalog?

It was assigned 8 years ago, on Fri, Sep 1, 2017