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Technical Data Sheet
PartsTable / MRO / 51-2
51-2 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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 COVER,TELEPHONE JACK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, special_features: FITS 1 QUART CANTEEN; WASH AS NORMAL, AVOID ABRASIVE MATERIALS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-254-3059, 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
MRO→ MRO_GENERAL→ 51-2
NSN: 6625-01-254-3059
FSC: 6625
CAGE: 5K923 — NRD LLC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
handle_quantity1
special_featuresFITS 1 QUART CANTEEN; WASH AS NORMAL, AVOID ABRASIVE MATERIALS
NSN6625-01-254-3059
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COVER,TELEPHONE JACK TITLE COMPONENT PN 51-2 MFR COVER,TELEPHONE JACK
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESBATTERY,ZERO TRIM ADJUSTMENT;BUILT INTO CONDUCTIVE CASE;CALIBRATED AT 1 IN. SPACING BETWEEN ELECTRODE AND SURFACE UNDER TEST;EVALUATES EFFECTIVENESS OF AIR IONIZERS TO DISSIPATE STATIC CHARGES IN
SPECIAL FEATURESBATTERY,ZERO TRIM ADJUSTMENT;BUILT INTO CONDUCTIVE CASE;CALIBRATED AT 1 IN. SPACING BETWEEN ELECTRODE AND SURFACE UNDER TEST;EVALUATES EFFECTIVENESS OF AIR IONIZERS TO DISSIPATE STATIC CHARGES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
520AUpgraded Successor
successor cross-reference
successor
728-SS-369Interchangeable
interchangeable cross-reference
interchangeable
S4738M0D1-2INSBInterchangeable
interchangeable cross-reference
interchangeable
AC20Interchangeable
interchangeable cross-reference
interchangeable
007Interchangeable
interchangeable cross-reference
interchangeable
AP6013GP 1/8X14INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51-2?
51-2 is a COVER,TELEPHONE JACK. It is classified as a MRO (MRO_GENERAL).
What parts can replace 51-2?
There are 13 known substitutes for 51-2: 520A, 728-SS-369, S4738M0D1-2INSB and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51-2?
51-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-01-254-3059. 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