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G187 ✓ 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 GAGE,PLUG COUNTERSINK is a the manufacturer industrial component. Key specifications include length: 2.500 INCHES IN, scale_type: ETCHED STEM, design_type: FLUCTUATING, overall_length: 6.000 INCHES NOMINAL IN, actuating_medium: MERCURY, features_provided: COMBINATION GO NOT GO GAGE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-850-2369, 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
G187
NSN: 6685-00-850-2369
FSC: 6685
CAGE: 98773 — ELE INTERNATIONAL, LLC DBA SOILTEST PRODUCTS (USA)
SPECIFICATIONS
length2.500 INCHES IN
scale_typeETCHED STEM
design_typeFLUCTUATING
overall_length6.000 INCHES NOMINAL IN
actuating_mediumMERCURY
features_providedCOMBINATION GO NOT GO GAGE
armor_encased_tip_typeMERCURY FILLED
scale_smallest_increment2.0 DEG FAHRENHEIT
scale_inscription/background_colorBLACK MARKING ON WHITE BACKGROUND
NSN6685-00-850-2369
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GAGE,PLUG COUNTERSINK TITLE COMPONENT PN G187 MFR GAGE,PLUG COUNTERSINK
KEY FEATURES
•
ARMOR ENCASED TIP TYPE: MERCURY FILLED
•
ACTUATING MEDIUM: MERCURY
•
SCALE INSCRIPTION/BACKGROUND COLOR: BLACK MARKING ON WHITE BACKGROUND
•
DESIGN TYPE: FLUCTUATING
•
SCALE TYPE: ETCHED STEM
•
FEATURES PROVIDED: LENS MAGNIFYING FRONT
TECHNICAL CHARACTERISTICS (FLIS)
ARMOR ENCASED TIP TYPEMERCURY FILLED
SPECIAL FEATURESPOCKET TYPE; ARMORED TIP ONLY
ACTUATING MEDIUMMERCURY
SCALE INSCRIPTION/BACKGROUND COLORBLACK MARKING ON WHITE BACKGROUND
DESIGN TYPEFLUCTUATING
OVERALL LENGTH6.000 INCHES NOMINAL IN
SCALE TYPEETCHED STEM
FEATURES PROVIDEDLENS MAGNIFYING FRONT
SCALE SMALLEST INCREMENT2.0 DEG FAHRENHEIT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
MIL-C-22520/6Interchangeable
interchangeable cross-reference
interchangeable
M22520-6-004Interchangeable
interchangeable cross-reference
interchangeable
G187Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G187?
G187 is a GAGE,PLUG COUNTERSINK.
What parts can replace G187?
There are 3 known substitutes for G187: MIL-C-22520/6, M22520-6-004, G187. Substitute compatibility should be verified for your specific system.
What is the NSN for G187?
G187 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6685-00-850-2369. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026