5305-00-346-3256

Find complete technical information, availability, and procurement data for: 5305-00-346-3256
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-346-3256

Item Name Code

22846

Assigment Date

01/20/1974 (52 years ago)

0.444 inches minimum and 0.494 inches maximum thread length, flat countersunk head style, 3a thread class, right-hand thread direction, 2.454 inches minimum and 2.484 inches maximum fastener 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: 0.444 inches minimum and 0.494 inches maximum
Fastener Length: 2.454 inches minimum and 2.484 inches maximum
Head Style: flat countersunk
Head Diameter: 0.464 inches minimum and 0.507 inches maximum
Shoulder Diameter: 0.264 inches minimum and 0.265 inches maximum first shoulder
Shoulder Length: 1.990 inches minimum and 2.010 inches maximum first shoulder
Internal Drive Style: high-torque
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 overall
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Shoulder Shape: round first shoulder
Material: steel comp 4130 or steel comp 4140 or steel comp e4340 or steel comp 8735 or steel comp 8740 overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec all treatment responses overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1704 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
NAS1704-32	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-00-346-3256?

The FSCG of the NSN 5305-00-346-3256 is 5305

Does the NSN 5305-00-346-3256 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-346-3256 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 5305-00-346-3256 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-346-3256 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 5305-00-346-3256 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sun, Jan 20, 1974