1550D7A

View detailed technical data, stock status, and sourcing information for: 1550D7A
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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-01-381-3884

Item Name Code

22534

Assigment Date

10/15/1993 (32 years ago)

internal and external flange body style, 0.060 inches nominal outside right corner chamfer length, 1.440 inches nominal overall length, 17.500 inches nominal flange diameter, 16.750 inches nominal bolt circle 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: internal and external flange
Chamfer Length: 0.060 inches nominal outside right corner
Overall Length: 1.440 inches nominal
Bolt Circle Diameter: 16.750 inches nominal
Flange Diameter: 17.500 inches nominal
Body Outside Diameter: 16.249 inches nominal
Body Inside Diameter: 15.500 inches nominal
Left Side Flange Thickness: 0.500 inches nominal
Unthreaded Mounting Hole Diameter: 0.312 inches nominal
Bolt Hole Quantity: 6
Internal Flange Inside Diameter: 14.750 inches nominal
Internal Flange Width: 0.190 inches nominal
Corner Shape: chamfered outside right corner
Corner Shape: square outside left corner
Corner Shape: square inside left corner
Corner Shape: square inside right corner
Surface Finish: 63.0 microinches outside
Chamfer Angle: 30.0 degrees nominal outside right corner
Special Features: mercury free titanium; 2 holes 180.0 deg apart threaded 0.38-16 unc-3b; 2 pry slots 180.0 deg apart
Material: steel
Material Document And Classification: astm b367 gr. c-2 assn std single material response

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
12132F18-7	Wearing Ring
12190D18	Wearing Ring
12190D18 ITEM 7	Wearing Ring
12190D18A	Wearing Ring
12249D18	Wearing Ring
1550D7A	Wearing Ring

FAQs

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

What is the FSCG of the NSN 4320-01-381-3884?

The FSCG of the NSN 4320-01-381-3884 is 4320

Does the NSN 4320-01-381-3884 have a Schedule B code assigned?

Yes, the Schedule B code is 8413919520

Does NSN 4320-01-381-3884 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 4320-01-381-3884 contain precious materials?

Item does not contain precious metal.

Does NSN 4320-01-381-3884 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 4320-01-381-3884 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Oct 15, 1993