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Technical Data Sheet
PartsTable / COMPONENT / 81GK-Y00R-W25Y
81GK-Y00R-W25Y ✓ 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 81GK-Y00R-W25Y is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-428-8789, 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
81GK-Y00R-W25Y
NSN: 6685-00-428-8789
FSC: 6685
CAGE: 64467 — WEKSLER GLASS THERMOMETER CORP (USA)
SPECIFICATIONS
Part Number81GK-Y00R-W25Y
NSN6685-00-428-8789
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 81GK-Y00R-W25Y TITLE COMPONENT PN 81GK-Y00R-W25Y MFR 81GK-Y00R-W25Y
KEY FEATURES
•
SCALE INSCRIPTION/BACKGROUND COLOR: BLACK MARKING ON YELLOW
•
CASE TYPE: DUSTPROOF
•
BULB CONNECTION TYPE: THREADED
•
SCALE SMALLEST INCREMENT: 10.0 DEG FAHRENHEIT
•
ACTIVE PORTION LENGTH: 3.500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: BULB W/O SOCKET
•
MATERIAL: PLASTIC METER CASE
•
BULB QUANTITY: 1
TECHNICAL CHARACTERISTICS (FLIS)
SCALE INSCRIPTION/BACKGROUND COLORBLACK MARKING ON YELLOW
CASE TYPEDUSTPROOF
BULB CONNECTION TYPETHREADED
SCALE SMALLEST INCREMENT10.0 DEG FAHRENHEIT
ACTIVE PORTION LENGTH3.500 INCHES NOMINAL IN
STYLE DESIGNATORBULB W/O SOCKET
MATERIALPLASTIC METER CASE
BULB QUANTITY1
DIAL DIAMETER8.500 INCHES NOMINAL IN
MATERIALSTEEL CORROSION RESISTING BULB
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
M27-400Interchangeable
interchangeable cross-reference
interchangeable
81GNN00RW75YInterchangeable
interchangeable cross-reference
interchangeable
81GN-N00U-W40YInterchangeable
interchangeable cross-reference
interchangeable
MIL-T-19646Interchangeable
interchangeable cross-reference
interchangeable
41GH-Y00U-A10YInterchangeable
interchangeable cross-reference
interchangeable
4-1GHR00RA10YInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81GK-Y00R-W25Y?
81GK-Y00R-W25Y is a 81GK-Y00R-W25Y.
What parts can replace 81GK-Y00R-W25Y?
There are 17 known substitutes for 81GK-Y00R-W25Y: M27-400, 81GNN00RW75Y, 81GN-N00U-W40Y and 14 more. Substitute compatibility should be verified for your specific system.
Is 81GK-Y00R-W25Y still available?
81GK-Y00R-W25Y 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