5305-00-378-2560

Find complete technical information, availability, and procurement data for: 5305-00-378-2560
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-378-2560

Item Name Code

06657

Assigment Date

03/16/1974 (52 years ago)

flat countersunk head style, right-hand thread direction, 1.750 inches minimum and 1.969 inches maximum fastener length, 1.750 inches maximum thread length, 3a thread class

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: 1.750 inches maximum
Fastener Length: 1.750 inches minimum and 1.969 inches maximum
Head Style: flat countersunk
Head Diameter: 0.319 inches minimum and 0.332 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 75000 pounds per square inch
Countersink Angle: 100.0 degrees nominal
Screw Material: steel comp 303se
Screw Material Document And Classification: ams 5642 assn std single material response or qq-s-763 fed spec single material response
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: mil-s-5002 mil spec single treatment response
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
7S13-832-28	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-378-2560?

The FSCG of the NSN 5305-00-378-2560 is 5305

Does the NSN 5305-00-378-2560 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-378-2560 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 5305-00-378-2560 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-378-2560 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 5305-00-378-2560 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sat, Mar 16, 1974