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189363R1 — ADAPTER,STRAIGHT,FLANGE TO PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

189363R1: ADAPTER,STRAIGHT,FLANGE TO PIPE.

ADAPTER,STRAIGHT,FLANGE TO PIPE. Key specifications include material: ZINC ALLOY 903 OVERALL, flange_shape: OVAL WITH HOLES SECOND END, nominal_width: 1.375 INCHES SECOND END IN, nominal_length: 2.000 INCHES SECOND END IN, connection_type: FLANGE SECOND END, connection_style: PLAIN (PIPE) FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-161-0032, 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
189363R1
NSN: 4730-00-161-0032
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 92679 — NAVISTAR INTL CORP MELROSE PARK ENGINE PLANT LOCATION /MELROSE PARK/ (USA)
SPECIFICATIONS
materialZINC ALLOY 903 OVERALL
flange_shapeOVAL WITH HOLES SECOND END
nominal_width1.375 INCHES SECOND END IN
nominal_length2.000 INCHES SECOND END IN
connection_typeFLANGE SECOND END
connection_stylePLAIN (PIPE) FIRST END
nominal_thickness0.312 INCHES SECOND END IN
surface_treatmentDICHROMATE OVERALL
bolt_hole_quantity2 SECOND END
flange_face_designPLAIN SECOND END
nominal_thread_size0.250 INCHES FIRST END IN
nominal_overall_length2.000 INCHES IN
NSN4730-00-161-0032
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 189363R1 · 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
•
FLANGE SHAPE: OVAL WITH HOLES SECOND END
•
FLANGE FACE DESIGN: PLAIN SECOND END
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: BW-103-P MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: PLAIN (PIPE) FIRST END
•
NOMINAL LENGTH: 2.000 INCHES SECOND END IN
•
BOLT CIRCLE NOMINAL DIAMETER: 1.625 INCHES SECOND END IN
•
NOMINAL OVERALL LENGTH: 2.000 INCHES IN
•
CONNECTION TYPE: FLANGE SECOND END
TECHNICAL CHARACTERISTICS
FLANGE SHAPEOVAL WITH HOLES SECOND END
FLANGE FACE DESIGNPLAIN SECOND END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONBW-103-P MFR REF SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEPLAIN (PIPE) FIRST END
NOMINAL LENGTH2.000 INCHES SECOND END IN
BOLT CIRCLE NOMINAL DIAMETER1.625 INCHES SECOND END IN
NOMINAL OVERALL LENGTH2.000 INCHES IN
CONNECTION TYPEFLANGE SECOND END
CONNECTION TYPETHREADED INTERNAL PIPE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONBW-206-M MFR REF SINGLE MATERIAL RESPONSE OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
L33702Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 189363R1?
189363R1 is a ADAPTER,STRAIGHT,FLANGE TO PIPE.
What parts can replace 189363R1?
There is 1 known substitute for 189363R1: L33702. Substitute compatibility should be verified for your specific system.
What is the NSN for 189363R1?
189363R1 is cataloged in the U.S. Government catalog under NSN 4730-00-161-0032. This indicates validated use in U.S. government and defense supply chains.
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