R99A

View detailed technical data, stock status, and sourcing information for: R99A
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-00-479-8862

Item Name Code

22534

Assigment Date

02/06/1970 (56 years ago)

0.625 inches nominal overall length, 0.125 inches nominal groove width, 0.031 inches nominal groove depth, grooved body style, 4.500 inches minimum and 4.502 inches maximum body outside diameter

Product Characteristics

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

Body Style: grooved
Groove Depth: 0.031 inches nominal
Groove Width: 0.125 inches nominal
Overall Length: 0.625 inches nominal
Body Outside Diameter: 4.500 inches minimum and 4.502 inches maximum
Body Inside Diameter: 4.000 inches minimum and 4.002 inches maximum
Distance From End To Groove Center: 0.125 inches nominal
Groove Quantity: 2
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Corner Shape: square outside right corner
Material: steel comp 303

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4320-00-541-9065	No Name Available	01/01/1987

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
55-22049-190/S	Wearing Ring
B174A	Wearing Ring
CS4320-0302	Wearing Ring
R-523PIECE9	Wearing Ring
R99A	Wearing Ring

FAQs

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

What is the FSCG of the NSN 4320-00-479-8862?

The FSCG of the NSN 4320-00-479-8862 is 4320

Does the NSN 4320-00-479-8862 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-00-479-8862 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 4320-00-479-8862 contain precious materials?

Item does not contain precious metal.

Does NSN 4320-00-479-8862 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 4320-00-479-8862 was assigned to the Federal Catalog?

It was assigned 56 years ago, on Fri, Feb 6, 1970