5305-00-840-3538

Find complete technical information, availability, and procurement data for: 5305-00-840-3538
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-840-3538

Item Name Code

29294

Assigment Date

01/01/1962 (64 years ago)

right-hand thread direction, 3a thread class, 0.550 inches minimum and 0.597 inches maximum fastener length, 0.255 inches minimum and 0.322 inches maximum thread length, flat countersunk head style

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: 0.255 inches minimum and 0.322 inches maximum
Fastener Length: 0.550 inches minimum and 0.597 inches maximum
Head Style: flat countersunk
Head Diameter: 0.451 inches minimum and 0.483 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: 0.240 inches minimum and 0.260 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 180000 pounds per square inch
Countersink Angle: 100.0 degrees nominal
Surface Finish: 32.0 microinches grip
Material: steel overall
Material Document And Classification: mil-s-5000 mil spec single material response or mil-s-5626 mil spec single material response or mil-s-6049 mil spec single material response or mil-s-6050 mil spec single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 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
51B334-4	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-840-3538?

The FSCG of the NSN 5305-00-840-3538 is 5305

Does the NSN 5305-00-840-3538 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-840-3538 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 5305-00-840-3538 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-840-3538 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 5305-00-840-3538 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962