PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 53681-1
53681-1 ✓ Verified by PartsTable
— · WIRE CABLE
WHAT YOU NEED TO KNOW
Stranded for flexible routing, solid for conduit THHN/THWN dual-rated — check both tables
Ampacity depends on installation method
PRODUCT OVERVIEW

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include special_features: LABEL CABLE W51; MADE FROM EVNPS03-MM043" (59951), 6-PIN MINI DIN CABLE, end_item_identification: RADAR AND IFF SYSTEMS; APPLICATION 52414-01 (02591), MAIN INPUT/OUTPUT PROCESSOR, part_name_assigned_by_controlling_agency: AN/SPN-35C SBC NO. 2 KEYBOARD CABLE ASSY W51 2A3 MIOP.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6150-01-505-3780, 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
53681-1
NSN: 6150-01-505-3780
FSC: 6150
CAGE: 02591 — NAVAL AIR WARFARE CTR AIRCRAFT DIV (USA)
SPECIFICATIONS
special_featuresLABEL CABLE W51; MADE FROM EVNPS03-MM043" (59951), 6-PIN MINI DIN CABLE
end_item_identificationRADAR AND IFF SYSTEMS; APPLICATION 52414-01 (02591), MAIN INPUT/OUTPUT PROCESSOR
part_name_assigned_by_controlling_agencyAN/SPN-35C SBC NO. 2 KEYBOARD CABLE ASSY W51 2A3 MIOP
NSN6150-01-505-3780
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: 53681-1 · OEM ⚠ VERIFY BEFORE ORDERING Ampacity depends on installation method — conduit ≠ free air ≠ underground. Same wire, different ratings. AWG sizing is inverse — smaller number = thicker wire (4 AWG > 12 AWG) ✓ BROKER TIP Stranded = flexible routing and vibration resistance. Solid = fixed conduit runs only. THHN/THWN = dual rated — check both dry and wet ampacity tables PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESLABEL CABLE W51; MADE FROM EVNPS03-MM043" (59951), 6-PIN MINI DIN CABLE
END ITEM IDENTIFICATIONRADAR AND IFF SYSTEMS; APPLICATION 52414-01 (02591), MAIN INPUT/OUTPUT PROCESSOR
PART NAME ASSIGNED BY CONTROLLING AGENCYAN/SPN-35C SBC NO. 2 KEYBOARD CABLE ASSY W51 2A3 MIOP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
53681Interchangeable
interchangeable cross-reference
interchangeable
53681ASInterchangeable
interchangeable cross-reference
interchangeable
53681-00Interchangeable
interchangeable cross-reference
interchangeable
56AZ130Interchangeable
interchangeable cross-reference
interchangeable
D15999BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 53681-1?
53681-1 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What parts can replace 53681-1?
There are 5 known substitutes for 53681-1: 53681, 53681AS, 53681-00 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 53681-1?
53681-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6150-01-505-3780. 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