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DM663 — VALVE,STEM,E,HAUST

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

DM663: VALVE,STEM,E,HAUST.

The VALVE,STEM,E,HAUST is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 2820-00-415-4931, 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
DM663
NSN: 2820-00-415-4931
FSC: 2820 — Steam Engines, Reciprocating; and Components
CAGE: 55139 — BANNER INDUSTRIES INC SKINNER ENGINE CO DIV (USA)
SPECIFICATIONS
Part NumberDM663
NSN2820-00-415-4931
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,STEM,E,HAUST TITLE COMPONENT PN DM663 MFR VALVE,STEM,E,HAUST
OTHER ITEMS IN FSC 2820 — Steam Engines, Reciprocating; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2820-00-057-0942 2820-00-364-0442 2820-00-364-0507 2820-00-364-0508 2820-00-415-5190 2820-00-415-5259 2820-00-415-5260 2820-00-415-7168
SUBSTITUTES & CROSS-REFERENCES 2
DM663PCDM663Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
E65-12-2420Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 DM663?
DM663 is a VALVE,STEM,E,HAUST.
What parts can replace DM663?
There are 2 known substitutes for DM663: DM663PCDM663, E65-12-2420. Substitute compatibility should be verified for your specific system.
What is the NSN for DM663?
DM663 is cataloged in the U.S. Government catalog under NSN 2820-00-415-4931. 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.