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51-53 — Technical Data Sheet

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— · 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 CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include width: 2.000 INCHES NOMINAL IN, length: 0.625 INCHES NOMINAL IN, material: PLASTIC SINGLE WALL, stem_type: RISING, body_style: STRAIGHT SHAPE, EXTERNAL/INTERNAL COUPLING, head_style: HEXAGON. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 1650-00-011-0843, 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
51-53
NSN: 1650-00-011-0843
FSC: 1650
CAGE: 90166 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
width2.000 INCHES NOMINAL IN
length0.625 INCHES NOMINAL IN
materialPLASTIC SINGLE WALL
stem_typeRISING
body_styleSTRAIGHT SHAPE, EXTERNAL/INTERNAL COUPLING
head_styleHEXAGON
seat_angle37.0 DEGREES ALL ENDS
shell_typeSOLID
valve_size1.250 INCHES IN
bonnet_typeINSIDE SCREW
head_height0.219 INCHES NOMINAL IN
thread_class2B
NSN1650-00-011-0843
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONNECTOR,PLUG,ELECTRICAL TITLE COMPONENT PN 51-53 MFR CONNECTOR,PLUG,ELECTRI
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
012-500-0003InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
590B2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
100114R1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
301518R1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
103605InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
3061InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51-53?
51-53 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace 51-53?
There are 21 known substitutes for 51-53: 012-500-0003, 590B2, 100114R1 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51-53?
51-53 is cataloged in the Federal Logistics Information System under NSN 1650-00-011-0843. 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: September 2026