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025277-100 — PUMP,ROTARY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

025277-100: PUMP,ROTARY.

The PUMP,ROTARY is a the manufacturer industrial component. Key specifications include mounting_type: BASE, drive_shaft_type: SPLINED, STRAIGHT EXTERNAL, operation_method: POWERED, drive_shaft_length: 0.811 INCHES MINIMUM AND 0.931 INCHES MAXIMUM IN, rotary_pump_design: GEAR, volume_control_type: ROTARY. This part is cataloged in the U.S.

Government catalog under NSN 4320-00-403-9853, 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
025277-100
NSN: 4320-00-403-9853
FSC: 4320 — Power and Hand Pumps
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
mounting_typeBASE
drive_shaft_typeSPLINED, STRAIGHT EXTERNAL
operation_methodPOWERED
drive_shaft_length0.811 INCHES MINIMUM AND 0.931 INCHES MAXIMUM IN
rotary_pump_designGEAR
volume_control_typeROTARY
drive_connection_typeGEAR
intake_connection_typeOVAL FLANGE
pump_rotation_directionCLOCKWISE
drive_shaft_end_diameter0.645 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
media_for_which_designedHYDROCARBON FUELS AND OILS
intake_connection_quantity1
NSN4320-00-403-9853
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PUMP,ROTARY TITLE COMPONENT PN 025277-100 MFR PUMP,ROTARY
KEY FEATURES
•
DISCHARGE CONNECTION QUANTITY: 1
•
INTAKE CONNECTION TYPE: OVAL FLANGE
•
DRIVE SHAFT LENGTH: 0.811 INCHES MINIMUM AND 0.931 INCHES MAXIMUM IN
•
DRIVE CONNECTION TYPE: GEAR
•
DRIVE SHAFT TYPE: SPLINED, STRAIGHT EXTERNAL
•
VOLUME CONTROL TYPE: ROTARY
•
DRIVE SHAFT END DIAMETER: 0.645 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
•
ROTARY PUMP DESIGN: GEAR
TECHNICAL CHARACTERISTICS
DISCHARGE CONNECTION QUANTITY1
INTAKE CONNECTION TYPEOVAL FLANGE
DRIVE SHAFT LENGTH0.811 INCHES MINIMUM AND 0.931 INCHES MAXIMUM IN
DRIVE CONNECTION TYPEGEAR
DRIVE SHAFT TYPESPLINED, STRAIGHT EXTERNAL
VOLUME CONTROL TYPEROTARY
DRIVE SHAFT END DIAMETER0.645 INCHES MINIMUM AND 0.650 INCHES MAXIMUM IN
ROTARY PUMP DESIGNGEAR
INTAKE CONNECTION QUANTITY1
MEDIA FOR WHICH DESIGNEDHYDROCARBON FUELS AND OILS
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
3016176Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 025277-100?
025277-100 is a PUMP,ROTARY.
What parts can replace 025277-100?
There is 1 known substitute for 025277-100: 3016176. Substitute compatibility should be verified for your specific system.
What is the NSN for 025277-100?
025277-100 is cataloged in the U.S. Government catalog under NSN 4320-00-403-9853. 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.