5305-00-505-3291

Find complete technical information, availability, and procurement data for: 5305-00-505-3291
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-505-3291

Item Name Code

29294

Assigment Date

07/20/1974 (52 years ago)

An item which permits a transmitter and receiver to operate on the same frequency with a single transmission line and/or antenna. It effects a mismatch in the receiver section when the transmitter is operating and restores matching when the transmitter is quiescent. See also blanker (as modified); and diplexer.

0.922 inches minimum and 0.952 inches maximum fastener length, right-hand thread direction, flat countersunk head style, 0.350 inches minimum and 0.400 inches maximum thread 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: 0.350 inches minimum and 0.400 inches maximum
Fastener Length: 0.922 inches minimum and 0.952 inches maximum
Head Style: flat countersunk
Head Diameter: 0.429 inches minimum and 0.477 inches maximum
Grip Diameter: 0.3110 inches minimum and 0.3120 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.312 inches
Grip Length: 0.552 inches minimum and 0.572 inches maximum
Thread Quantity Per Inch: 24
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
Material: steel comp e4340 or steel comp 8740 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 2 fed spec all treatment responses 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
LS15237-5-9	Close Tolerance Screw
LS15237-9	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-505-3291?

The FSCG of the NSN 5305-00-505-3291 is 5305

Does the NSN 5305-00-505-3291 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-505-3291 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 5305-00-505-3291 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-505-3291 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 5305-00-505-3291 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sat, Jul 20, 1974