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66400-450 — TELEPHONE TERMINAL SUBASSEMBLY

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

66400-450: TELEPHONE TERMINAL SUBASSEMBLY.

The TELEPHONE TERMINAL SUBASSEMBLY is a the manufacturer industrial component. Key specifications include end_item_identification: TELEPHONE AND TELEGRAPH EQUIPMENT. This part is cataloged in the U.S.

Government catalog under NSN 5805-01-307-6468, 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→ 66400-450
NSN: 5805-01-307-6468
FSC: 5805 — Telephone and Telegraph Equipment
CAGE: 12763 — DYNALEC CORPORATION (USA)
SPECIFICATIONS
end_item_identificationTELEPHONE AND TELEGRAPH EQUIPMENT
NSN5805-01-307-6468
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TELEPHONE TERMINAL SUBASSEMBLY TITLE COMPONENT PN 66400-450 MFR TELEPHONE TERMINAL SUB
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONTELEPHONE AND TELEGRAPH EQUIPMENT
OTHER ITEMS IN FSC 5805 — Telephone and Telegraph Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5805-00-000-0155 5805-00-000-7057 5805-00-000-7886 5805-00-001-4071 5805-00-001-4082 5805-00-001-4083 5805-00-001-4084 5805-00-001-4088
SUBSTITUTES & CROSS-REFERENCES 2
TA-866C/STC-1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
8382234-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 66400-450?
66400-450 is a TELEPHONE TERMINAL SUBASSEMBLY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 66400-450?
There are 2 known substitutes for 66400-450: TA-866C/STC-1, 8382234-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 66400-450?
66400-450 is cataloged in the U.S. Government catalog under NSN 5805-01-307-6468. 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.