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1A111 — IMPELLER,PUMP,CENTRIFUGAL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

1A111: IMPELLER,PUMP,CENTRIFUGAL.

The IMPELLER,PUMP,CENTRIFUGAL is a the manufacturer industrial component. Key specifications include material: IRON CAST HOUSING, alignment_type: RIGID, mounting_hole_diameter: 0.625 INCHES NOMINAL IN, height_from_bottom_of_base_to_bore_centerline: 2.4375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4320-00-349-6752, 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
1A111
NSN: 4320-00-349-6752
NIINs: 003496752, 012508048
FSC: 4320 — Power and Hand Pumps
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialIRON CAST HOUSING
alignment_typeRIGID
mounting_hole_diameter0.625 INCHES NOMINAL IN
height_from_bottom_of_base_to_bore_centerline2.4375 INCHES NOMINAL IN
NSN4320-00-349-6752
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available IMPELLER,PUMP,CENTRIFUGAL TITLE COMPONENT PN 1A111 MFR IMPELLER,PUMP,CENTRIFU
KEY FEATURES
•
KEYWAY TYPE: SQUARE
•
KEYWAY DEPTH: 0.188 INCHES NOMINAL IN
•
HUB BORE DIAMETER: 2.125 INCHES NOMINAL AND 2.125 INCHES NOMINAL IN
•
HUB LENGTH: 1.625 INCHES NOMINAL AND 1.625 INCHES NOMINAL IN
•
DESIGN TYPE: DOUBLE WIDTH
•
OVERALL DIAMETER: 10.500 INCHES NOMINAL IN
•
MOUNTING METHOD: KEY
TECHNICAL CHARACTERISTICS
KEYWAY TYPESQUARE
KEYWAY DEPTH0.188 INCHES NOMINAL IN
HUB BORE DIAMETER2.125 INCHES NOMINAL AND 2.125 INCHES NOMINAL IN
HUB LENGTH1.625 INCHES NOMINAL AND 1.625 INCHES NOMINAL IN
DESIGN TYPEDOUBLE WIDTH
OVERALL DIAMETER10.500 INCHES NOMINAL IN
MOUNTING METHODKEY
OVERALL WIDTH5.750 INCHES NOMINAL IN
KEYWAY QUANTITY2
HUB PROJECTION LENGTH BEYOND WHEEL SIDE0.375 INCHES NOMINAL AND 0.375 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
BS5-1449PC6-8Reference document
Same NSN cross-reference
Reference document — Secondary reference
A111XB37Reference document
Same NSN cross-reference
Reference document — Secondary reference
BS5-1450PC6-8Reference 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 1A111?
1A111 is a IMPELLER,PUMP,CENTRIFUGAL.
What parts can replace 1A111?
There are 3 known substitutes for 1A111: BS5-1449PC6-8, A111XB37, BS5-1450PC6-8. Substitute compatibility should be verified for your specific system.
What is the NSN for 1A111?
1A111 is cataloged in the U.S. Government catalog under NSN 4320-00-349-6752. 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.