6556490

View detailed technical data, stock status, and sourcing information for: 6556490
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3020 Gears, Pulleys, Sprockets and Transmission Chain

National Stock Number

3020-01-414-4395

Item Name Code

05468

Assigment Date

06/07/1995 (31 years ago)

An item consisting of a sleeve, directional control linear valve and a slide directional control linear valve. It may be furnished unassembled, matched, or assembled. See also body and slide, directional control linear valve; parts kit (1), linear directional control valve.

60 both ends spline quantity, weapons system seawolf class ssn end item identification, plain, solid body style, 7.6250 inches nominal pitch diameter, 40 teeth quantity

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Body Style: plain, solid
Spline Quantity: 60 both ends
End Item Identification: weapons system seawolf class ssn
Pitch Diameter: 7.6250 inches nominal
Teeth Quantity: 40
Face Type: concave
Bore Style: involute spline both ends
Spline Pitch Diameter: 6.0000 inches nominal both ends
Hardness Rating: 175.0 brinell hultgren minimum and 250.0 brinell hultgren maximum overall
Nominal Outside Diameter: 8.197 inches
Tooth Direction: left
Throat Nominal Radius: 1.112 inches
Pressure Angle: 20.0000 degrees
Helix Angle: 4.2500 degrees
Face Nominal Width: 2.052 inches
Bore Nominal Diameter: 5.900 inches both ends
Special Features: used on valve operator
Material: bronze overall
Material Document And Classification: astm b271 assn std 1st material response and astm b148 assn std 2nd material response overall
Style Designator: hubless

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
6556490	Worm Wheel Gear
845-6556490	Worm Wheel Gear
845-6603141-41	Worm Wheel Gear

FAQs

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

What is the FSCG of the NSN 3020-01-414-4395?

The FSCG of the NSN 3020-01-414-4395 is 3020

Does the NSN 3020-01-414-4395 have a Schedule B code assigned?

Yes, the Schedule B code is 8483409000

Does NSN 3020-01-414-4395 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 3020-01-414-4395 contain precious materials?

Item does not contain precious metal.

Does NSN 3020-01-414-4395 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 3020-01-414-4395 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Jun 7, 1995