NAS1634-9D

View detailed technical data, stock status, and sourcing information for: NAS1634-9D
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-839-9094

Item Name Code

06657

Assigment Date

12/21/1966 (59 years ago)

0.863 inches minimum and 0.893 inches maximum fastener length, right-hand thread direction, 3a thread class, pan head style, 0.220 inches minimum and 0.341 inches maximum 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: 3a
Thread Direction: right-hand
Thread Length: 0.220 inches minimum and 0.341 inches maximum
Fastener Length: 0.863 inches minimum and 0.893 inches maximum
Head Style: pan
Head Diameter: 0.473 inches minimum and 0.492 inches maximum
Head Height: 0.162 inches minimum and 0.175 inches maximum
Internal Drive Style: torque set
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum
Screw Material: steel comp e4340 or steel comp 4340 or steel comp 8740 or steel comp 8735 or steel comp 6150 or steel comp 4140
Screw Surface Treatment: cadmium and chromate
Screw Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec all treatment responses
Thread Series Designator: unf
Specification/Standard Data: 80205-nas 1634 professional/industrial association standard

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
NAS1634-9D	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-839-9094?

The FSCG of the NSN 5305-00-839-9094 is 5305

Does the NSN 5305-00-839-9094 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-839-9094 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 5305-00-839-9094 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-839-9094 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 5305-00-839-9094 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Dec 21, 1966