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Technical Data Sheet
PartsTable / COMPONENT / 3351B
3351B ✓ 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 3351B is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-354-2086, 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
3351B
NSN: 6685-00-354-2086
FSC: 6685
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
Part Number3351B
NSN6685-00-354-2086
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 3351B TITLE COMPONENT PN 3351B MFR 3351B
KEY FEATURES
•
FLOW CONTROL DEVICE: CHOKE
•
OPENING TEMP RATING: 150.0 FAHRENHEIT MINIMUM AND 155.0 FAHRENHEIT MAXIMUM DEGF
•
FSC APPLICATION DATA: ENGINE
•
SPRING OPERATED PRESSURE RELIEF: NOT PROVIDED
•
OPERATING TEMP RATING: 175.0 FAHRENHEIT NOMINAL DEGF
•
LARGEST OUTSIDE DIAMETER: 3.490 INCHES MINIMUM AND 3.498 INCHES MAXIMUM IN
•
THERMOSTAT TYPE: BELLOWS
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT4.266 INCHES NOMINAL IN
FLOW CONTROL DEVICECHOKE
OPENING TEMP RATING150.0 FAHRENHEIT MINIMUM AND 155.0 FAHRENHEIT MAXIMUM DEGF
FSC APPLICATION DATAENGINE
SPRING OPERATED PRESSURE RELIEFNOT PROVIDED
OPERATING TEMP RATING175.0 FAHRENHEIT NOMINAL DEGF
LARGEST OUTSIDE DIAMETER3.490 INCHES MINIMUM AND 3.498 INCHES MAXIMUM IN
THERMOSTAT TYPEBELLOWS
VALVE TRAVEL DISTANCE0.453 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
USAGE DESIGNCOOL WATER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
07-2876Interchangeable
interchangeable cross-reference
interchangeable
203351Interchangeable
interchangeable cross-reference
interchangeable
K256-11Interchangeable
interchangeable cross-reference
interchangeable
130065Interchangeable
interchangeable cross-reference
interchangeable
543-2157-002Interchangeable
interchangeable cross-reference
interchangeable
42201Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3351B?
3351B is a 3351B.
What parts can replace 3351B?
There are 19 known substitutes for 3351B: 07-2876, 203351, K256-11 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3351B?
3351B is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-354-2086. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026