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Technical Data Sheet
B21189-1 ✓ 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 B21189-1 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 6685-00-027-7168, 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
B21189-1
NSN: 6685-00-027-7168
FSC: 6685
CAGE: 55631 — SCOMILL INC (USA)
SPECIFICATIONS
Part NumberB21189-1
NSN6685-00-027-7168
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available B21189-1 TITLE COMPONENT PN B21189-1 MFR B21189-1
KEY FEATURES
DIAL DIAMETER: 2.000 INCHES NOMINAL IN
BULB TIP LENGTH: 3.500 INCHES NOMINAL IN
INDICATOR CONNECTION METHOD: FLEXIBLE TUBE
BULB TYPE: PLAIN RIGID
BULB QUANTITY: 1
SCALE ACCURACY RATING: 2 PCT
ACTUATING MEDIUM: VAPOR TENSION
ACTIVE PORTION DIAMETER: 0.438 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
DIAL DIAMETER2.000 INCHES NOMINAL IN
BULB TIP LENGTH3.500 INCHES NOMINAL IN
INDICATOR CONNECTION METHODFLEXIBLE TUBE
BULB TYPEPLAIN RIGID
BULB QUANTITY1
SCALE ACCURACY RATING2 PCT
ACTUATING MEDIUMVAPOR TENSION
ACTIVE PORTION DIAMETER0.438 INCHES NOMINAL IN
FLEXIBLE TUBE LENGTH240.000 INCHES NOMINAL IN
MATERIALSTEEL METER CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
X5Interchangeable
Same NIIN cross-reference
interchangeable
54B6668H06Interchangeable
Same NIIN cross-reference
interchangeable
93Interchangeable
Same NIIN cross-reference
interchangeable
93DInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B21189-1?
B21189-1 is a B21189-1.
What parts can replace B21189-1?
There are 4 known substitutes for B21189-1: X5, 54B6668H06, 93 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B21189-1?
B21189-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-027-7168. This indicates validated use in U.S. government and defense supply chains.
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