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1263D0077 — OVER VOLTAGE PROTECTION

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

1263D0077: OVER VOLTAGE PROTECTION.

The OVER VOLTAGE PROTECTION is a the manufacturer industrial component. Key specifications include end_item_identification: AN/SQR-18A(V)1,SONAR EQUIPMENT A. This part is cataloged in the U.S.

Government catalog under NSN 5845-01-281-3139, 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→ 1263D0077
NSN: 5845-01-281-3139
FSC: 5845 — Underwater Sound Equipment
CAGE: 03538 — LOCKHEED MARTIN CORPORATION DIV RMS (USA)
SPECIFICATIONS
end_item_identificationAN/SQR-18A(V)1,SONAR EQUIPMENT A
NSN5845-01-281-3139
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available OVER VOLTAGE PROTECTION TITLE COMPONENT PN 1263D0077 MFR OVER VOLTAGE PROTECTIO
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONAN/SQR-18A(V)1,SONAR EQUIPMENT A
OTHER ITEMS IN FSC 5845 — Underwater Sound Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5845-00-001-3622 5845-00-001-3623 5845-00-001-3625 5845-00-001-3627 5845-00-001-3628 5845-00-001-3629 5845-00-001-8053 5845-00-003-0332
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Demilitarization required — mutilation
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FREQUENTLY ASKED QUESTIONS
What is 1263D0077?
1263D0077 is a OVER VOLTAGE PROTECTION. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 1263D0077?
1263D0077 is cataloged in the U.S. Government catalog under NSN 5845-01-281-3139. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.