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F2 1-2D1B — IMPELLER,PUMP,CENTRIFUGAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

F2 1-2D1B: IMPELLER,PUMP,CENTRIFUGAL.

The IMPELLER,PUMP,CENTRIFUGAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, blade_type: BACKWARD CURVE, keyway_type: SQUARE, keyway_depth: 1.875 INCHES NOMINAL IN, keyway_width: 0.250 INCHES NOMINAL IN, keyway_length: 0.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4320-00-520-8513, 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
F2 1-2D1B
NSN: 4320-00-520-8513
FSC: 4320 — Power and Hand Pumps
CAGE: 7PZX0 — FAIRBANKS MORSE, LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
blade_typeBACKWARD CURVE
keyway_typeSQUARE
keyway_depth1.875 INCHES NOMINAL IN
keyway_width0.250 INCHES NOMINAL IN
keyway_length0.250 INCHES NOMINAL IN
keyway_quantity1
mounting_methodKEY
overall_diameter2.500 INCHES NOMINAL IN
NSN4320-00-520-8513
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,PUMP,CENTRIFUGAL TITLE COMPONENT PN F2 1-2D1B MFR IMPELLER,PUMP,CENTRIFU
KEY FEATURES
•
KEYWAY TYPE: SQUARE
•
KEYWAY DEPTH: 1.875 INCHES NOMINAL IN
•
OVERALL DIAMETER: 2.500 INCHES NOMINAL IN
•
MOUNTING METHOD: KEY
•
KEYWAY QUANTITY: 1
•
KEYWAY LENGTH: 0.250 INCHES NOMINAL IN
•
KEYWAY WIDTH: 0.250 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
KEYWAY TYPESQUARE
KEYWAY DEPTH1.875 INCHES NOMINAL IN
OVERALL DIAMETER2.500 INCHES NOMINAL IN
MOUNTING METHODKEY
KEYWAY QUANTITY1
KEYWAY LENGTH0.250 INCHES NOMINAL IN
KEYWAY WIDTH0.250 INCHES NOMINAL IN
MATERIALCOPPER ALLOY
BLADE TYPEBACKWARD CURVE
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 2
F2 1-2D1B8 1-2INDIAReference document
Same NSN cross-reference
Reference document — Design control — primary reference
F2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is F2 1-2D1B?
F2 1-2D1B is a IMPELLER,PUMP,CENTRIFUGAL.
What parts can replace F2 1-2D1B?
There are 2 known substitutes for F2 1-2D1B: F2 1-2D1B8 1-2INDIA, F2. Substitute compatibility should be verified for your specific system.
What is the NSN for F2 1-2D1B?
F2 1-2D1B is cataloged in the U.S. Government catalog under NSN 4320-00-520-8513. 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.