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51R ✓ 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 GUARD,ELECTRICAL CONNECTOR is a the manufacturer industrial component. Key specifications include part_name_assigned_by_controlling_agency: STANDARD SERIES HARD HAT MODEL S51R. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6240-00-132-5342, 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
51R
NSN: 6240-00-132-5342
FSC: 6240
CAGE: 08806 — GENERAL ELECTRIC CO MINIATURE LAMP PRODUCTS DEPT LIGHTING BUSINESS GROUP (USA)
SPECIFICATIONS
part_name_assigned_by_controlling_agencySTANDARD SERIES HARD HAT MODEL S51R
NSN6240-00-132-5342
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GUARD,ELECTRICAL CONNECTOR TITLE COMPONENT PN 51R MFR GUARD,ELECTRICAL CONNE
KEY FEATURES
•
VOLTAGE RATING: 6.000 VOLTS NOMINAL
•
BULB STYLE: GT (GLOBULAR TUBULAR)
•
BASE STYLE: MINIATURE BAYONET
•
BULB LIGHT TRANSMISSION CHARACTERISTIC: TRANSPARENT
•
LIGHT CENTER LENGTH: 0.500 INCHES NOMINAL IN
•
RATED AVERAGE LIFE: HOURS
•
LIGHT OUTPUT RATING: 0.100 BEAM CANDLEPOWER NOMINAL SINGLE RATING
•
AVERAGE LIFE RATING IN HOURS: 1000.0
TECHNICAL CHARACTERISTICS (FLIS)
VOLTAGE RATING6.000 VOLTS NOMINAL
BULB STYLEGT (GLOBULAR TUBULAR)
BASE STYLEMINIATURE BAYONET
BULB LIGHT TRANSMISSION CHARACTERISTICTRANSPARENT
LIGHT CENTER LENGTH0.500 INCHES NOMINAL IN
RATED AVERAGE LIFEHOURS
LIGHT OUTPUT RATING0.100 BEAM CANDLEPOWER NOMINAL SINGLE RATING
AVERAGE LIFE RATING IN HOURS1000.0
EMITTED LIGHT CHARACTERISTICRED
SPECIFICATION/STANDARD DATA08108-51R MANUFACTURERS STANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
920109Interchangeable
interchangeable cross-reference
interchangeable
51RInterchangeable
interchangeable cross-reference
interchangeable
51-121Interchangeable
interchangeable cross-reference
interchangeable
51NATURALDARKRUBYInterchangeable
Same NIIN cross-reference
interchangeable
MS15573-2Interchangeable
Same NIIN cross-reference
interchangeable
51REDInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51R?
51R is a GUARD,ELECTRICAL CONNECTOR.
What parts can replace 51R?
There are 7 known substitutes for 51R: 920109, 51R, 51-121 and 4 more. Substitute compatibility should be verified for your specific system.
Is 51R still available?
51R 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