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AC2563 ✓ Verified by PartsTable
— · HOSE FITTING
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

The CIRCUIT CARD ASSEMBLY is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_width: 0.730 INCHES NOMINAL IN, lens_color: RED, body_height: 1.906 INCHES NOMINAL IN, body_length: 2.312 INCHES NOMINAL IN, switch_type: TOGGLE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-355-3669, 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
AC2563
NSN: 4730-00-355-3669
FSC: 4730
CAGE: 63477 — FEDERAL MOGUL CORP SUB WAGNER BRAKE MOOG AUTOMOTIVE DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_width0.730 INCHES NOMINAL IN
lens_colorRED
body_height1.906 INCHES NOMINAL IN
body_length2.312 INCHES NOMINAL IN
switch_typeTOGGLE
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
inclosure_typeOPEN
overall_length1.188 INCHES NOMINAL IN
drive_end_shapeSQUARE SINGLE END INTERNAL
inductance_typeFIXED
mounting_methodSADDLE AND SNAP LOCK
NSN4730-00-355-3669
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AC2563 · 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 20
343680Interchangeable
interchangeable cross-reference
interchangeable
203755Interchangeable
interchangeable cross-reference
interchangeable
52-26Interchangeable
interchangeable cross-reference
interchangeable
72-1300Interchangeable
interchangeable cross-reference
interchangeable
052266Interchangeable
interchangeable cross-reference
interchangeable
J246Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AC2563?
AC2563 is a CIRCUIT CARD ASSEMBLY.
What parts can replace AC2563?
There are 20 known substitutes for AC2563: 343680, 203755, 52-26 and 17 more. Substitute compatibility should be verified for your specific system.
Is AC2563 still available?
AC2563 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