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Technical Data Sheet
PartsTable / COMPONENT / 11770BS
11770BS ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The 11770BS is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-452-6120, 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
11770BS
NSN: 6685-00-452-6120
FSC: 6685
CAGE: 28265 — HERCULES ENGINE CO INC (USA)
SPECIFICATIONS
Part Number11770BS
NSN6685-00-452-6120
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 11770BS TITLE COMPONENT PN 11770BS MFR 11770BS
KEY FEATURES
•
LARGEST OUTSIDE DIAMETER: 2.547 INCHES MINIMUM AND 2.552 INCHES MAXIMUM IN
•
USAGE DESIGN: TO COOL ENGINE WATER
•
VALVE TRAVEL DISTANCE: 0.313 INCHES MINIMUM IN
•
OPENING TEMP RATING: 157.0 FAHRENHEIT NOMINAL DEGF
•
MOUNTING METHOD: FLANGE
•
FLOW CONTROL DEVICE: CHOKE
•
SPRING OPERATED PRESSURE RELIEF: NOT PROVIDED
TECHNICAL CHARACTERISTICS (FLIS)
LARGEST OUTSIDE DIAMETER2.547 INCHES MINIMUM AND 2.552 INCHES MAXIMUM IN
USAGE DESIGNTO COOL ENGINE WATER
VALVE TRAVEL DISTANCE0.313 INCHES MINIMUM IN
OPENING TEMP RATING157.0 FAHRENHEIT NOMINAL DEGF
MOUNTING METHODFLANGE
FLOW CONTROL DEVICECHOKE
SPRING OPERATED PRESSURE RELIEFNOT PROVIDED
OVERALL HEIGHT2.156 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN
THERMOSTAT TYPEBELLOWS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
986092-1Interchangeable
interchangeable cross-reference
interchangeable
860681Interchangeable
interchangeable cross-reference
interchangeable
41378Interchangeable
interchangeable cross-reference
interchangeable
AA59649-650AInterchangeable
interchangeable cross-reference
interchangeable
1B6572Interchangeable
interchangeable cross-reference
interchangeable
31000-0748Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 11770BS?
11770BS is a 11770BS.
What parts can replace 11770BS?
There are 32 known substitutes for 11770BS: 986092-1, 860681, 41378 and 29 more. Substitute compatibility should be verified for your specific system.
Is 11770BS still available?
11770BS is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026