5305-01-439-3419

Find complete technical information, availability, and procurement data for: 5305-01-439-3419
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-439-3419

Item Name Code

16282

Assigment Date

12/05/1996 (29 years ago)

A differential mechanical device which receives angular motion from a parallelogram linkage attached to a gun trunnion. It receives superelevation data from a computer, ballistics and transmits the angular value received from the gun, plus superelevation data to a gunner's periscope, thereby compensating for the ballistics of the projectile. It also provides synchronization to the range finder, fire control. It may include a temperature compensating linkage.

3a thread class, 0.500 inches nominal fastener length, right-hand thread direction, 0.450 inches minimum 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: 0.450 inches minimum
Fastener Length: 0.500 inches nominal
Head Style: flat countersunk
Head Diameter: 0.218 inches minimum and 0.226 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.138 inches
Width Across Flats: 0.109 inches nominal
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 180000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Color: black overall
Material: steel uns k03104 overall
Material Document And Classification: astm a574 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 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
91252A110	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-439-3419?

The FSCG of the NSN 5305-01-439-3419 is 5305

Does the NSN 5305-01-439-3419 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-439-3419 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 5305-01-439-3419 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-439-3419 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 5305-01-439-3419 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Thu, Dec 5, 1996