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Technical Data Sheet
PartsTable / COMPONENT / 990C347
990C347 ✓ 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 990C347 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-261-9858, 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
990C347
NSN: 6685-00-261-9858
FSC: 6685
CAGE: 18323 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA ELECTRONIC SYSTEMS (USA)
SPECIFICATIONS
Part Number990C347
NSN6685-00-261-9858
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 990C347 TITLE COMPONENT PN 990C347 MFR 990C347
KEY FEATURES
•
SCALE TYPE: CONCENTRIC DIAL
•
CASE TYPE: CORROSION RESISTANT
•
SCALE SMALLEST INCREMENT: 2.0 DEG FAHRENHEIT
•
MATERIAL: BRASS BULB
•
STYLE DESIGNATOR: BULB W/O SOCKET
•
ACTUATING MEDIUM: VAPOR TENSION
•
ACTIVE PORTION DIAMETER: 0.440 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SCALE TYPECONCENTRIC DIAL
CASE TYPECORROSION RESISTANT
SCALE SMALLEST INCREMENT2.0 DEG FAHRENHEIT
MATERIALBRASS BULB
MATERIALSTEEL METER CASE
STYLE DESIGNATORBULB W/O SOCKET
ACTUATING MEDIUMVAPOR TENSION
ACTIVE PORTION DIAMETER0.440 INCHES NOMINAL IN
ACTIVE PORTION LENGTH3.500 INCHES NOMINAL IN
SCALE MEASUREMENT RANGE+20.000 TO 240.000 DEG FAHRENHEIT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
X-8Interchangeable
interchangeable cross-reference
interchangeable
K25140Interchangeable
interchangeable cross-reference
interchangeable
81025Interchangeable
interchangeable cross-reference
interchangeable
C4Interchangeable
interchangeable cross-reference
interchangeable
U400Interchangeable
interchangeable cross-reference
interchangeable
922CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 990C347?
990C347 is a 990C347.
What parts can replace 990C347?
There are 13 known substitutes for 990C347: X-8, K25140, 81025 and 10 more. Substitute compatibility should be verified for your specific system.
Is 990C347 still available?
990C347 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