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Technical Data Sheet
C1811-1 ✓ 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 REACTOR is a the manufacturer industrial component. Key specifications include material: GLASS PROTECTIVE CRYSTAL, dial_size: 6 IN. DIA IN, body_width: 4.625 INCHES MAXIMUM IN, scale_name: DIFFERENTIAL PRESSURE, scale_type: SINGLE, body_height: 3.875 INCHES MAXIMUM IN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-220-2892, 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
C1811-1
NSN: 6685-00-220-2892
FSC: 6685
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)
SPECIFICATIONS
materialGLASS PROTECTIVE CRYSTAL
dial_size6 IN. DIA IN
body_width4.625 INCHES MAXIMUM IN
scale_nameDIFFERENTIAL PRESSURE
scale_typeSINGLE
body_height3.875 INCHES MAXIMUM IN
body_length5.375 INCHES MAXIMUM IN
scale_range+0.0 TO 60.0 POUNDS PRESSURE PER SQUARE INCH LBS
pointer_typeINDICATING
adjustabilityADJUSTABLE
overall_depth4.500 INCHES NOMINAL IN
pointer_colorBLACK
NSN6685-00-220-2892
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available REACTOR TITLE COMPONENT PN C1811-1 MFR REACTOR
KEY FEATURES
SCALE NAME: DIFFERENTIAL PRESSURE
SCALE TYPE: SINGLE
ACTUATION TYPE: DIAPHRAGM
CONNECTION QUANTITY: 2
POINTER TYPE: INDICATING
SCALE SMALLEST INCREMENT: 0.5 POUNDS PER SQUARE INCH (PSI) LBS
GRADUATION UNIT: 10.0 POUNDS PER SQUARE INCH LBS
SCALE ACCURACY: 33 PCT OF FULL RANGE
TECHNICAL CHARACTERISTICS (FLIS)
SCALE NAMEDIFFERENTIAL PRESSURE
SCALE TYPESINGLE
ACTUATION TYPEDIAPHRAGM
CONNECTION QUANTITY2
POINTER TYPEINDICATING
SCALE SMALLEST INCREMENT0.5 POUNDS PER SQUARE INCH (PSI) LBS
GRADUATION UNIT10.0 POUNDS PER SQUARE INCH LBS
SCALE ACCURACY33 PCT OF FULL RANGE
DIAL SIZE6 IN. DIA IN
CONNECTION SIZE0.125 IN. NPT DIA IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
5504-2Interchangeable
interchangeable cross-reference
interchangeable
M0DEL325Interchangeable
interchangeable cross-reference
interchangeable
FAXA141274Interchangeable
interchangeable cross-reference
interchangeable
TT12048Interchangeable
interchangeable cross-reference
interchangeable
SM-A-984827Interchangeable
interchangeable cross-reference
interchangeable
C18111Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C1811-1?
C1811-1 is a REACTOR.
What parts can replace C1811-1?
There are 8 known substitutes for C1811-1: 5504-2, M0DEL325, FAXA141274 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C1811-1?
C1811-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-220-2892. This indicates validated use in U.S. government and defense supply chains.
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