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21SAF10B4578APC3 — CASING AND CORE,TAC

✓ Government record, cited
COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE · COMPONENT
PRODUCT OVERVIEW

21SAF10B4578APC3: CASING AND CORE,TAC.

The CASING AND CORE,TAC is a COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE industrial component. This part is cataloged in the U.S.

Government catalog under NSN 6680-00-314-8014, 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
21SAF10B4578APC3
NSN: 6680-00-314-8014
FSC: 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments
CAGE: 82796 — COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE (USA)
SPECIFICATIONS
Part Number21SAF10B4578APC3
ManufacturerCOLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE
NSN6680-00-314-8014
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE CASING AND CORE,TAC TITLE COMPONENT PN 21SAF10B4578APC3 MFR COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE CASING AND CORE,TAC
SUBSTITUTES & CROSS-REFERENCES 9
NND1088AReference document
Same NSN cross-reference
Reference document — Design control — primary reference
6520-111-4 1-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
1120-4 1-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
9AF9B4578APC34Reference document
Same NSN cross-reference
Reference document — Secondary reference
33SAF10B4578APC3Reference document
Same NSN cross-reference
Reference document — Secondary reference
MFAFB4578APC34Reference 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 21SAF10B4578APC3?
21SAF10B4578APC3 is a CASING AND CORE,TAC manufactured by COLTEC INDUSTRIES INC. DBA FAIRBANKS MORSE ENGINE DIV FAIRBANKS MORSE ENGINE.
What parts can replace 21SAF10B4578APC3?
There are 9 known substitutes for 21SAF10B4578APC3: NND1088A, 6520-111-4 1-2, 1120-4 1-2 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21SAF10B4578APC3?
21SAF10B4578APC3 is cataloged in the U.S. Government catalog under NSN 6680-00-314-8014. 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.