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Technical Data Sheet
PartsTable / COMPONENT / 012558
012558 ✓ 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 PUMP,FUEL OIL is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2910-00-856-1889, 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
012558
NSN: 2910-00-856-1889
FSC: 2910
CAGE: 55509 — COOPER CAMERON CORP AJAX-SUPERIOR DIV (USA)
SPECIFICATIONS
Part Number012558
NSN2910-00-856-1889
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PUMP,FUEL OIL TITLE COMPONENT PN 012558 MFR PUMP,FUEL OIL
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,GRAY PAINTED FINISHE,4.500 IN. O/A LG.,3.750 IN. O/A W.,3.062 IN.,1.875 IN. SHAFT LG.,INLET/OUTLET,INTERNAL PIPE CONNECTIONS,0.500 IN. PIPE SIZE,0.500-14 THD. SIZE,NPT,RH.,FLANGE MOUNTED,2 THREADED MOUNTING HOLES,0.500-13 THD. SIZE,UNC,RH.,3.625 IN. CENTER TO CENTER IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,GRAY PAINTED FINISHE,4.500 IN. O/A LG.,3.750 IN. O/A W.,3.062 IN.,1.875 IN. SHAFT LG.,INLET/OUTLET,INTERNAL PIPE CONNECTIONS,0.500 IN. PIPE SIZE,0.500-14 THD. SIZE,NPT,RH.,FLANGE MOUNTED,2 THREADED MOUNTING HOLES,0.500-13 THD. SIZE,UNC,RH.,3.625 IN. CENTER TO CENTER IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
1LAInterchangeable
interchangeable cross-reference
interchangeable
026056Interchangeable
interchangeable cross-reference
interchangeable
901-208Interchangeable
interchangeable cross-reference
interchangeable
012558Interchangeable
interchangeable cross-reference
interchangeable
A026-056Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 012558?
012558 is a PUMP,FUEL OIL.
What parts can replace 012558?
There are 5 known substitutes for 012558: 1LA, 026056, 901-208 and 2 more. Substitute compatibility should be verified for your specific system.
Is 012558 still available?
012558 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026