5305-00-232-4372

Find complete technical information, availability, and procurement data for: 5305-00-232-4372
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-232-4372

Item Name Code

29294

Assigment Date

10/19/1970 (55 years ago)

3a thread class, right-hand thread direction, 0.469 inches nominal thread length, 1.578 inches minimum and 1.625 inches maximum fastener 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: 0.469 inches nominal
Fastener Length: 1.578 inches minimum and 1.625 inches maximum
Head Style: flat countersunk
Head Diameter: 0.4640 inches minimum and 0.5066 inches maximum
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Grip Length: 1.115 inches minimum and 1.135 inches maximum
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
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Special Features: tncludes o ring,synthetic rubber per mil-r-6855 grade 60 classes 1,2,3
Material: steel comp 4140 or steel comp e4340 or steel comp 8740 or steel comp 8735 or steel comp 4130 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: unjf

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
HT4UA-18	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-232-4372?

The FSCG of the NSN 5305-00-232-4372 is 5305

Does the NSN 5305-00-232-4372 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-232-4372 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 5305-00-232-4372 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-232-4372 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 5305-00-232-4372 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Mon, Oct 19, 1970