5305-00-808-7663

Find complete technical information, availability, and procurement data for: 5305-00-808-7663
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-808-7663

Item Name Code

29294

Assigment Date

01/01/1963 (63 years ago)

flat countersunk head style, 0.290 inches minimum and 0.357 inches maximum thread length, right-hand thread direction, 1.175 inches minimum and 1.222 inches maximum fastener 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: 0.290 inches minimum and 0.357 inches maximum
Fastener Length: 1.175 inches minimum and 1.222 inches maximum
Head Style: flat countersunk
Head Diameter: 0.451 inches minimum and 0.507 inches maximum
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.865 inches minimum and 0.885 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment response overall
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
51B334-14	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-808-7663?

The FSCG of the NSN 5305-00-808-7663 is 5305

Does the NSN 5305-00-808-7663 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-808-7663 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 5305-00-808-7663 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-808-7663 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 5305-00-808-7663 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963