2620-902PC4(0.50IN)

View detailed technical data, stock status, and sourcing information for: 2620-902PC4(0.50IN)
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-01-253-8834

Item Name Code

22113

Assigment Date

04/26/1987 (39 years ago)

0.932 inches minimum and 0.942 inches maximum flange diameter, 3a single threaded portion thread class, 0.316 inches nominal single threaded portion thread length, 0.122 inches nominal flange seat to disk end height, 0.471 inches nominal body inside diameter

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 single threaded portion
Thread Length: 0.316 inches nominal single threaded portion
Flange Diameter: 0.932 inches minimum and 0.942 inches maximum
Body Inside Diameter: 0.471 inches nominal
Flange Seat To Disk End Height: 0.122 inches nominal
Under Flange Height: 0.311 inches minimum and 0.321 inches maximum
Seat Angle In Deg: 15.000 nominal
Thread Quantity Per Inch: 24 single threaded portion
Nominal Thread Size: 0.766 inches single threaded portion
Seating Surface Shape: angular
Criticality Code Justification: zzzy
Material: nickel alloy overall
Material Document And Classification: qq-n-281 fed spec single material response or qq-n-288 fed spec single material response overall
Style Designator: threaded flanged
Thread Series Designator: uns single threaded portion
Reference Number Differentiating Characteristics: material will be in accordance with ships parts control center activity hx quality control,manufacturing and testing specifications

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
2620-902PC4(0.50IN)	Valve Seat
2632-903X6PC19(0.50IN)	Valve Seat
845-2445177 PC 19	Valve Seat
845-5445177	Valve Seat

FAQs

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

What is the FSCG of the NSN 3040-01-253-8834?

The FSCG of the NSN 3040-01-253-8834 is 3040

Does the NSN 3040-01-253-8834 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 3040-01-253-8834 require demilitarization?

Usml or ccl military items - demil required. Item managers,, equipment specialists, or product specialists must furnish special demilinstructions. (note 3).

Does NSN 3040-01-253-8834 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-01-253-8834 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 3040-01-253-8834 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Sun, Apr 26, 1987