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NH-7445 — SEAT,OVERLOAD VALVE,STEAM TURBIN

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

NH-7445: SEAT,OVERLOAD VALVE,STEAM TURBIN.

SEAT,OVERLOAD VALVE,STEAM TURBIN. Key specifications include nonsupply_items_and_quantities: 21969 501NC-6158 PINION,SPIRAL BEVEL 1; 21969 502NC-6158 GEAR,SPIRAL BEVEL 1, general_characteristics_item_description: CORROSION RESISTING STEEL. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-198-5707, 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
NH-7445
NSN: 3020-01-198-5707
NIINs: 011985707, 011993122, 011993123
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 82328 — DRESSER RAND CO TERRY CORP STEAM TURBINE MOTOR AND GENERATOR CO A JOINT VENTURE (USA)
SPECIFICATIONS
component_quantity2
nonsupply_items_and_quantities21969 501NC-6158 PINION,SPIRAL BEVEL 1; 21969 502NC-6158 GEAR,SPIRAL BEVEL 1
general_characteristics_item_descriptionCORROSION RESISTING STEEL
NSN3020-01-198-5707
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEAT,OVERLOAD VALVE,STEAM TURBIN TITLE COMPONENT PN NH-7445 MFR SEAT,OVERLOAD VALVE,ST
KEY FEATURES
•
COMPONENT QUANTITY: 2
•
NONSUPPLY ITEMS AND QUANTITIES: 21969 501NC-6158 PINION,SPIRAL BEVEL 1; 21969 502NC-6158 GEAR,SPIRAL BEVEL 1
TECHNICAL CHARACTERISTICS
COMPONENT QUANTITY2
NONSUPPLY ITEMS AND QUANTITIES21969 501NC-6158 PINION,SPIRAL BEVEL 1; 21969 502NC-6158 GEAR,SPIRAL BEVEL 1
SUBSTITUTES & CROSS-REFERENCES 7
501-2ANC6158Reference document
Same NSN cross-reference
Reference document — Secondary reference
NH6382PC501X502Reference document
Same NSN cross-reference
Reference document — Secondary reference
345047 AND 345070Reference document
Same NSN cross-reference
Reference document — Secondary reference
NC6090PC501X502Reference document
Same NSN cross-reference
Reference document — Secondary reference
ND6387PC31-32Reference document
Same NSN cross-reference
Reference document — Secondary reference
345973Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is NH-7445?
NH-7445 is a SEAT,OVERLOAD VALVE,STEAM TURBIN.
What parts can replace NH-7445?
There are 7 known substitutes for NH-7445: 501-2ANC6158, NH6382PC501X502, 345047 AND 345070 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NH-7445?
NH-7445 is cataloged in the U.S. Government catalog under NSN 3020-01-198-5707. This indicates validated use in U.S. government and defense supply chains.
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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.