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H12857 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The GEAR ROTOR SET,ROTARY PUMP is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, pattern_type: AMERICAN, coil_quantity: 10, face_cut_type: DOUBLE CUT, SMOOTH, overall_length: 2.359 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-194-2966, 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
H12857
NSN: 4320-01-194-2966
FSC: 4320
CAGE: 58163 — MEGGITT (NORTH HOLLYWOOD), INC. DBA MEGGITT CONTROL SYSTEMS DIV MEGGITT DEFENSE SYSTEMS, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
pattern_typeAMERICAN
coil_quantity10
face_cut_typeDOUBLE CUT, SMOOTH
overall_length2.359 INCHES NOMINAL IN
inside_diameter1.000 INCHES NOMINAL IN
overall_diameter1.325 INCHES NOMINAL IN
style_designatorCYLINDRICAL
voltage_in_volts1.2
surface_treatmentCADMIUM OVERALL
terminal_quantity2
NSN4320-01-194-2966
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR ROTOR SET,ROTARY PUMP TITLE COMPONENT PN H12857 MFR GEAR ROTOR SET,ROTARY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
12857Interchangeable
interchangeable cross-reference
interchangeable
120-B-06X04Interchangeable
interchangeable cross-reference
interchangeable
122067Interchangeable
interchangeable cross-reference
interchangeable
1911650Interchangeable
interchangeable cross-reference
interchangeable
A-A-2320Interchangeable
interchangeable cross-reference
interchangeable
PNS199-1PC25Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H12857?
H12857 is a GEAR ROTOR SET,ROTARY PUMP.
What parts can replace H12857?
There are 10 known substitutes for H12857: 12857, 120-B-06X04, 122067 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H12857?
H12857 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-01-194-2966. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026