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CC6123 ✓ 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

SEAL ASSEMBLY,SHAFT,SPRING LOADE. Key specifications include material: STEEL OVERALL, head_type: SOLID, nut_style: TUBE FITTING LOCKNUT, seat_type: BEVELED, flow_angle: 90.0 DEGREES, leg_length: 0.59 INCHES NOMINAL FIRST END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-202-6491, 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
CC6123
NSN: 4730-00-202-6491
FSC: 4730
CAGE: 35311 — AMERICAN STANDARD INC WESTINGHOUSE AIR BRAKE CO DIV (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_typeSOLID
nut_styleTUBE FITTING LOCKNUT
seat_typeBEVELED
flow_angle90.0 DEGREES
leg_length0.59 INCHES NOMINAL FIRST END IN
nut_height0.310 INCHES NOMINAL IN
seat_angle37.0 DEGREES FIRST END
sweep_typeLONG
head_height0.38 INCHES MINIMUM IN
temp_rating-40.0 FAHRENHEIT AND 212.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_size3/4-12
NSN4730-00-202-6491
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: CC6123 · 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 30
108630Interchangeable
interchangeable cross-reference
interchangeable
W2418Interchangeable
interchangeable cross-reference
interchangeable
100178Interchangeable
interchangeable cross-reference
interchangeable
119928Interchangeable
interchangeable cross-reference
interchangeable
1202065Interchangeable
interchangeable cross-reference
interchangeable
022467Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CC6123?
CC6123 is a SEAL ASSEMBLY,SHAFT,SPRING LOADE.
What parts can replace CC6123?
There are 30 known substitutes for CC6123: 108630, W2418, 100178 and 27 more. Substitute compatibility should be verified for your specific system.
Is CC6123 still available?
CC6123 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