PartsTable
Technical Data Sheet
494C ✓ 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

MANIFOLD,CHARGING AND TESTING,RE. Key specifications include material: COPPER ALLOY, handle_type: HANDWHEEL, valve_handle: INCLUDED, special_features: HOSE HOLDER AND HOOK ARE NOT INCLUDED, style_designator: INVERTED FLARE LOCATION NOT OTHERWISE SPECIFIED, end_connection_quantity: 2 LOCATION NOT OTHERWISE SPECIFIED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-235-1482, 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
494C
NSN: 4730-00-235-1482
FSC: 4730
CAGE: 36655 — FAIRVIEW FITTINGS AND MFG LTD (CAN)
SPECIFICATIONS
materialCOPPER ALLOY
handle_typeHANDWHEEL
valve_handleINCLUDED
valve_quantity2
special_featuresHOSE HOLDER AND HOOK ARE NOT INCLUDED
style_designatorINVERTED FLARE LOCATION NOT OTHERWISE SPECIFIED
end_connection_quantity2 LOCATION NOT OTHERWISE SPECIFIED
thread_size_and_series/type_designator0.250-18 UNF LOCATION NOT OTHERWISE SPECIFIED
NSN4730-00-235-1482
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 494C · 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
KEY FEATURES
NOMINAL THREAD SIZE: 0.438 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
SPECIFICATION/STANDARD DATA: 81343-J513 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
FLOW ANGLE: 90.0 DEGREES
NONDEFINITIVE SPEC/STD DATA: 11 FIGURE
MEDIA FOR WHICH DESIGNED: REFRIGERATION COMPOUND SINGLE RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.438 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
SPECIFICATION/STANDARD DATA81343-J513 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SPECIAL FEATURESTEMPERATURE RANGE -65F TO +250F; STRAIGHT THREAD IS 7/17-20; FLOW DIAMETER IS 0.189"
FLOW ANGLE90.0 DEGREES
NONDEFINITIVE SPEC/STD DATA11 FIGURE
MEDIA FOR WHICH DESIGNEDREFRIGERATION COMPOUND SINGLE RESPONSE
SEAT ANGLE45.0 DEGREES FIRST END
LEG LENGTH1.01 INCHES NOMINAL SECOND END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
494CInterchangeable
interchangeable cross-reference
interchangeable
4-6-010202BInterchangeable
interchangeable cross-reference
interchangeable
E1/4CInterchangeable
interchangeable cross-reference
interchangeable
A-4812Interchangeable
interchangeable cross-reference
interchangeable
A15242Interchangeable
interchangeable cross-reference
interchangeable
463CAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 494C?
494C is a MANIFOLD,CHARGING AND TESTING,RE.
What parts can replace 494C?
There are 18 known substitutes for 494C: 494C, 4-6-010202B, E1/4C and 15 more. Substitute compatibility should be verified for your specific system.
Is 494C still available?
494C is currently cancelled.
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