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Technical Data Sheet
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423253 ✓ 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

CONNECTOR,MULTIPLE,FLUID PRESSUR. Key specifications include material: RUBBER CHLOROPRENE CLASS CR, hardness_rating: 70.0 SHORE DUROMETER A NOMINAL, outside_diameter: 2.980 INCHES MINIMUM AND 3.044 INCHES MAXIMUM IN, center_hole_diameter: 2.719 INCHES MINIMUM AND 2.749 INCHES MAXIMUM IN, cross-sectional_height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-389-8169, 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
423253
NSN: 4730-00-389-8169
FSC: 4730
CAGE: 00447 — WABCO CONSTRUCTION AND MINING EQUIPMENT GROUP INDIANAPOLIS PLANT AN AMERICAN STANDARD INC CO (USA)
SPECIFICATIONS
materialRUBBER CHLOROPRENE CLASS CR
hardness_rating70.0 SHORE DUROMETER A NOMINAL
outside_diameter2.980 INCHES MINIMUM AND 3.044 INCHES MAXIMUM IN
center_hole_diameter2.719 INCHES MINIMUM AND 2.749 INCHES MAXIMUM IN
cross-sectional_height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
NSN4730-00-389-8169
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 423253 · 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
•
STYLE DESIGNATOR: 3 FLUID CONNECTIONS
•
BOLT HOLE FLATS SERRATIONS: NOT PROVIDED
•
CONNECTION STYLE: INVERTED FLARE LOCATION NOT OTHERWISE SPECIFIED
•
BOLT HOLE DIAMETER: 0.469 INCHES NOMINAL IN
•
FLUID CONVEYANCE TYPE AND SIZE FOR WHICH DESIGNED: 1/4 IN. OD TUBE,ALL CONNECTIONS IN
•
THREAD SIZE: 7/16 IN.24 THIRD CONNECTION IN
•
FURNISHED ITEMS: SEAT LOCATION NOT OTHERWISE SPECIFIED
•
SCREW THREAD SERIES DESIGNATOR: UNS THIRD CONNECTION
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATOR3 FLUID CONNECTIONS
BOLT HOLE FLATS SERRATIONSNOT PROVIDED
CONNECTION STYLEINVERTED FLARE LOCATION NOT OTHERWISE SPECIFIED
BOLT HOLE DIAMETER0.469 INCHES NOMINAL IN
FLUID CONVEYANCE TYPE AND SIZE FOR WHICH DESIGNED1/4 IN. OD TUBE,ALL CONNECTIONS IN
THREAD SIZE7/16 IN.24 THIRD CONNECTION IN
FURNISHED ITEMSSEAT LOCATION NOT OTHERWISE SPECIFIED
SCREW THREAD SERIES DESIGNATORUNS THIRD CONNECTION
MATERIALCOPPER ALLOY
FLUID CONNECTION QUANTITY2 SECOND CONNECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
4232-53Interchangeable
interchangeable cross-reference
interchangeable
18255PC12Interchangeable
interchangeable cross-reference
interchangeable
AS568-232 AMS3209Interchangeable
interchangeable cross-reference
interchangeable
467JInterchangeable
Same NIIN cross-reference
interchangeable
9902730Interchangeable
Same NIIN cross-reference
interchangeable
1750-199Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 423253?
423253 is a CONNECTOR,MULTIPLE,FLUID PRESSUR.
What parts can replace 423253?
There are 10 known substitutes for 423253: 4232-53, 18255PC12, AS568-232 AMS3209 and 7 more. Substitute compatibility should be verified for your specific system.
Is 423253 still available?
423253 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