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23045939 — PISTON,PUMP

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

23045939: PISTON,PUMP.

The PISTON,PUMP is a the manufacturer industrial component. Key specifications include diameter: 2.371 INCHES MINIMUM AND 2.372 INCHES MAXIMUM IN, overall_height: 2.840 INCHES NOMINAL IN, pin_hole_bushing: NOT INCLUDED, retaining_ring_groove: INCLUDED, end_item_identification: 2350-01-087-1095, integral_connecting_rod: NOT INCLUDED. This part is cataloged in the U.S.

Government catalog under NSN 4320-01-232-9700, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
23045939
NSN: 4320-01-232-9700
FSC: 4320 — Power and Hand Pumps
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
diameter2.371 INCHES MINIMUM AND 2.372 INCHES MAXIMUM IN
overall_height2.840 INCHES NOMINAL IN
pin_hole_bushingNOT INCLUDED
retaining_ring_grooveINCLUDED
end_item_identification2350-01-087-1095
integral_connecting_rodNOT INCLUDED
NSN4320-01-232-9700
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,PUMP TITLE COMPONENT PN 23045939 MFR PISTON,PUMP
KEY FEATURES
•
INTEGRAL CONNECTING ROD: NOT INCLUDED
•
RETAINING RING GROOVE: INCLUDED
•
DIAMETER: 2.371 INCHES MINIMUM AND 2.372 INCHES MAXIMUM IN
•
PIN: NOT INCLUDED
•
PIN HOLE BUSHING: NOT INCLUDED
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT2.840 INCHES NOMINAL IN
INTEGRAL CONNECTING RODNOT INCLUDED
RETAINING RING GROOVEINCLUDED
DIAMETER2.371 INCHES MINIMUM AND 2.372 INCHES MAXIMUM IN
PINNOT INCLUDED
PIN HOLE BUSHINGNOT INCLUDED
END ITEM IDENTIFICATION2350-01-087-1095
OTHER ITEMS IN FSC 4320 — Power and Hand Pumps
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4320-00-001-1633 4320-00-001-2628 4320-00-001-2629 4320-00-001-2630 4320-00-001-2631 4320-00-001-2632 4320-00-001-3377 4320-00-001-3384
SUBSTITUTES & CROSS-REFERENCES 1
12288292Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 23045939?
23045939 is a PISTON,PUMP.
What parts can replace 23045939?
There is 1 known substitute for 23045939: 12288292. Substitute compatibility should be verified for your specific system.
What is the NSN for 23045939?
23045939 is cataloged in the U.S. Government catalog under NSN 4320-01-232-9700. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.