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965P — PISTON,INTERNAL COMBUSTION ENGIN

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

965P: PISTON,INTERNAL COMBUSTION ENGIN.

PISTON,INTERNAL COMBUSTION ENGIN. Key specifications include material: NICKEL ALLOY, body_style: PLAIN, corner_shape: SQUARE ALL CORNERS, overall_length: 0.625 INCHES NOMINAL IN, surface_finish: 125.0 MICROINCHES ALL SURFACES, body_inside_diameter: 3.624 INCHES MINIMUM AND 3.625 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4320-00-398-7929, 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
965P
NSN: 4320-00-398-7929
NIINs: 003987929, 004219541
FSC: 4320 — Power and Hand Pumps
CAGE: 0UBG9 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DIV EPD (USA)
SPECIFICATIONS
materialNICKEL ALLOY
body_stylePLAIN
corner_shapeSQUARE ALL CORNERS
overall_length0.625 INCHES NOMINAL IN
surface_finish125.0 MICROINCHES ALL SURFACES
body_inside_diameter3.624 INCHES MINIMUM AND 3.625 INCHES MAXIMUM IN
body_outside_diameter4.018 INCHES NOMINAL IN
NSN4320-00-398-7929
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PISTON,INTERNAL COMBUSTION ENGIN TITLE COMPONENT PN 965P MFR PISTON,INTERNAL COMBUS
KEY FEATURES
•
SURFACE FINISH: 125.0 MICROINCHES ALL SURFACES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY STYLE: PLAIN
•
BODY OUTSIDE DIAMETER: 4.018 INCHES NOMINAL IN
•
BODY INSIDE DIAMETER: 3.624 INCHES MINIMUM AND 3.625 INCHES MAXIMUM IN
•
MATERIAL: NICKEL ALLOY
TECHNICAL CHARACTERISTICS
SURFACE FINISH125.0 MICROINCHES ALL SURFACES
CORNER SHAPESQUARE ALL CORNERS
BODY STYLEPLAIN
BODY OUTSIDE DIAMETER4.018 INCHES NOMINAL IN
OVERALL LENGTH0.625 INCHES NOMINAL IN
BODY INSIDE DIAMETER3.624 INCHES MINIMUM AND 3.625 INCHES MAXIMUM IN
MATERIALNICKEL ALLOY
SUBSTITUTES & CROSS-REFERENCES 5
968PReference document
Same NSN cross-reference
Reference document — Secondary reference
SL6770PC4Reference document
Same NSN cross-reference
Reference document — Secondary reference
SL4947PC40Reference document
Same NSN cross-reference
Reference document — Secondary reference
SL5042PC40Reference document
Same NSN cross-reference
Reference document — Secondary reference
SL4149PC36Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 965P?
965P is a PISTON,INTERNAL COMBUSTION ENGIN.
What parts can replace 965P?
There are 5 known substitutes for 965P: 968P, SL6770PC4, SL4947PC40 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 965P?
965P is cataloged in the U.S. Government catalog under NSN 4320-00-398-7929. 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.