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D30Z-6A666A — VALVE,POSITIVE CRANKCASE VENTILA

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

D30Z-6A666A: VALVE,POSITIVE CRANKCASE VENTILA.

VALVE,POSITIVE CRANKCASE VENTILA. Key specifications include design_form: STRAIGHT, connection_type: UNTHREADED EXTERNAL HOSE, PLAIN, vehicle_year(s): 1973, vehicle_design_control_activity: 11862, vehicle_identification_designator: CORVETTE, nominal_inside_diameter_hose_accommodated: 0.375 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 2990-00-504-1376, 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
D30Z-6A666A
NSN: 2990-00-504-1376
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
CAGE: 23040 — FORD MOTOR CO FORD PARTS AND SERVICE DIV GOVERNMENT PART SALES (USA)
SPECIFICATIONS
design_formSTRAIGHT
connection_typeUNTHREADED EXTERNAL HOSE, PLAIN
vehicle_year(s)1973
vehicle_design_control_activity11862
vehicle_identification_designatorCORVETTE
nominal_inside_diameter_hose_accommodated0.375 INCHES IN
NSN2990-00-504-1376
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE,POSITIVE CRANKCASE VENTILA TITLE COMPONENT PN D30Z-6A666A MFR VALVE,POSITIVE CRANKCA
KEY FEATURES
•
DESIGN FORM: STRAIGHT
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.375 INCHES IN
•
CONNECTION TYPE: UNTHREADED EXTERNAL HOSE, PLAIN
•
VEHICLE YEAR(S): 1973
•
VEHICLE IDENTIFICATION DESIGNATOR: CORVETTE
•
VEHICLE DESIGN CONTROL ACTIVITY: 11862
TECHNICAL CHARACTERISTICS
DESIGN FORMSTRAIGHT
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.375 INCHES IN
CONNECTION TYPEUNTHREADED EXTERNAL HOSE, PLAIN
VEHICLE YEAR(S)1973
VEHICLE IDENTIFICATION DESIGNATORCORVETTE
VEHICLE DESIGN CONTROL ACTIVITY11862
SUBSTITUTES & CROSS-REFERENCES 8
PCV57Reference document
Same NSN cross-reference
Reference document — Secondary reference
PCV221Reference document
Same NSN cross-reference
Reference document — Secondary reference
PCV215Reference document
Same NSN cross-reference
Reference document — Secondary reference
PCV223Reference document
Same NSN cross-reference
Reference document — Secondary reference
CV746CReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
6484525Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D30Z-6A666A?
D30Z-6A666A is a VALVE,POSITIVE CRANKCASE VENTILA.
What parts can replace D30Z-6A666A?
There are 8 known substitutes for D30Z-6A666A: PCV57, PCV221, PCV215 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for D30Z-6A666A?
D30Z-6A666A is cataloged in the U.S. Government catalog under NSN 2990-00-504-1376. 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.