Y-131D252AX2

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Federal Supply Group

Pumps and Compressors

Federal Supply Classification

4320 Power and Hand Pumps

National Stock Number

4320-01-120-2721

Item Name Code

77777

Assigment Date

10/14/1981 (44 years ago)

A mechanical device designed to permit a free flow of air into and out of an enclosure, usually used on engine crankcase, vehicular differentials and transmissions, pumps, compressors, and the like. See also cap, vent, fuel storage tank. Excludes:ventalator (as modified).

4320-01-120-2721, pump split ring

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
131D252AX2	Pump Split Ring
PL-11156-F-18 ITEM 252B	Pump Split Ring
V-135D252HX2	Pump Split Ring
Y-131D252AX2	Pump Split Ring

FAQs

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

What is the FSCG of the NSN 4320-01-120-2721?

The FSCG of the NSN 4320-01-120-2721 is 4320

Does NSN 4320-01-120-2721 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 4320-01-120-2721 contain precious materials?

Item does not contain precious metal.

Does NSN 4320-01-120-2721 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 4320-01-120-2721 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Wed, Oct 14, 1981