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Technical Data Sheet
1661C10 ✓ 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 1661C10 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 6680-01-121-0545, 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
1661C10
NSN: 6680-01-121-0545
FSC: 6680
CAGE: 90099 — NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MARINE SYSTEMS (USA)
SPECIFICATIONS
Part Number1661C10
NSN6680-01-121-0545
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 1661C10 TITLE COMPONENT PN 1661C10 MFR 1661C10
KEY FEATURES
MEDIA FOR WHICH DESIGNED: OIL
NOMINAL PIPE SIZE FOR WHICH DESIGNED: UNABLE TO DECODE
SIGHT DIAMETER: 3.188 INCHES NOMINAL IN
END CONNECTION TYPE: UNABLE TO DECODE
MAXIMUM WORKING PRESSURE: 216.0 POUNDS PER SQUARE INCH (PSI) LBS
FURNISHED DATA: LIQUID FLOW
MAXIMUM TEMP RATING: 212.0 FAHRENHEIT DEGF
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDOIL
NOMINAL PIPE SIZE FOR WHICH DESIGNEDUNABLE TO DECODE
SIGHT DIAMETER3.188 INCHES NOMINAL IN
END CONNECTION TYPEUNABLE TO DECODE
OVERALL HEIGHT9.380 INCHES NOMINAL IN
MAXIMUM WORKING PRESSURE216.0 POUNDS PER SQUARE INCH (PSI) LBS
FURNISHED DATALIQUID FLOW
MAXIMUM TEMP RATING212.0 FAHRENHEIT DEGF
MATERIALSTEEL
BOLT HOLE DIAMETERUNABLE TO DECODE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
T401MInterchangeable
interchangeable cross-reference
interchangeable
C18.1Interchangeable
interchangeable cross-reference
interchangeable
E401Interchangeable
interchangeable cross-reference
interchangeable
20310Interchangeable
interchangeable cross-reference
interchangeable
910Interchangeable
interchangeable cross-reference
interchangeable
A52491-69Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1661C10?
1661C10 is a 1661C10.
What parts can replace 1661C10?
There are 24 known substitutes for 1661C10: T401M, C18.1, E401 and 21 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1661C10?
1661C10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6680-01-121-0545. This indicates validated use in U.S. government and defense supply chains.
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