5305-01-571-6278

Find complete technical information, availability, and procurement data for: 5305-01-571-6278
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-571-6278

Item Name Code

06660

Assigment Date

02/11/2009 (17 years ago)

pan no. 2 head style, 0.357 inches minimum and 0.373 inches maximum head diameter, 0.875 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
Fastener Length: 0.875 inches nominal
Head Style: pan no. 2
Head Diameter: 0.357 inches minimum and 0.373 inches maximum
Head Height: 0.122 inches minimum and 0.132 inches maximum
Washer Quantity: 2
Internal Drive Style: cross recess type iii
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Primary Washer Style: flat
Primary Washer Material Thickness: 0.029 inches minimum and 0.035 inches maximum
Part Name Assigned By Controlling Agency: screw, pan head, assembled washers, standard shoulder washer
Material: steel corrosion resisting overall
Material Document And Classification: flat washer-ams-qq-s-763a class 302 condition b or class 304 condition a, or class 384. consition a assn std 1st material response and lock washer-nas-35338 national std/spec 2nd material response and screw iaw ms51957 mil spec 3rd material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: ams-qq-p-35 assn std single treatment response overall
Supplementary Features: washers not identical/primary washer outside diameter 0.433 to 0.453 in
Thread Series Designator: unf

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
70-2730196-1014	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-01-571-6278?

The FSCG of the NSN 5305-01-571-6278 is 5305

Does the NSN 5305-01-571-6278 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-571-6278 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 5305-01-571-6278 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-571-6278 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 5305-01-571-6278 was assigned to the Federal Catalog?

It was assigned 17 years ago, on Wed, Feb 11, 2009