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Technical Data Sheet
PartsTable / MRO / 23D12
23D12 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

TELEPHONE CIRCUIT,TRUNK SIGNALIN. Key specifications include body_width: 0.045 INCHES NOMINAL IN, inclosure_type: ENCAPSULATED, terminal_length: 3.750 INCHES NOMINAL IN, style_designator: DISK, terminal_diameter: 0.025 INCHES NOMINAL IN, body_outside_diameter: 0.400 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-010-3867, 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→ 23D12
NSN: 4730-00-010-3867
FSC: 4730
CAGE: 05643 — BARBER-GREENE CO (USA)
SPECIFICATIONS
body_width0.045 INCHES NOMINAL IN
inclosure_typeENCAPSULATED
terminal_length3.750 INCHES NOMINAL IN
style_designatorDISK
terminal_diameter0.025 INCHES NOMINAL IN
body_outside_diameter0.400 INCHES NOMINAL IN
reliability_indicatorNOT ESTABLISHED
zero_power_resistance295.000 OHMS
maximum_operating_temp150.0 CELSIUS DEGC
terminal_type_and_quantity2 WIRE LEAD
thermal_time_constant_in_seconds55.0
power_dissipation_constant_in_milliwatts_per_deg_celsius7.0
NSN4730-00-010-3867
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 23D12 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
8200463-22Interchangeable
interchangeable cross-reference
interchangeable
8706-2Interchangeable
interchangeable cross-reference
interchangeable
MS35217-56Interchangeable
interchangeable cross-reference
interchangeable
M22520/10-07Interchangeable
interchangeable cross-reference
interchangeable
VG95236-T101Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-22520Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 23D12?
23D12 is a TELEPHONE CIRCUIT,TRUNK SIGNALIN. It is classified as a MRO (MRO_GENERAL).
What parts can replace 23D12?
There are 27 known substitutes for 23D12: 8200463-22, 8706-2, MS35217-56 and 24 more. Substitute compatibility should be verified for your specific system.
Is 23D12 still available?
23D12 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026