5305-00-902-7278

Find complete technical information, availability, and procurement data for: 5305-00-902-7278
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-902-7278

Item Name Code

06657

Assigment Date

01/01/1960 (66 years ago)

flat countersunk head style, 0.906 inches nominal fastener length, right-hand thread direction, 0.469 inches minimum 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: 0.469 inches minimum
Fastener Length: 0.906 inches nominal
Head Style: flat countersunk
Head Diameter: 0.502 inches minimum and 0.507 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 125000 pounds per square inch
Countersink Angle: 100.0 degrees nominal
Screw Material: steel comp 431
Screw Material Document And Classification: qq-s-763 fed spec single material response
Screw Surface Treatment: passivate
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
HT4A-7	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-902-7278?

The FSCG of the NSN 5305-00-902-7278 is 5305

Does the NSN 5305-00-902-7278 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-902-7278 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 5305-00-902-7278 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-902-7278 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 5305-00-902-7278 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960