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ASTM A234-3 ✓ 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

FLANGE,COMPANION,VEHICULAR UNIVE. Key specifications include material: STEEL CORROSION RESISTING OVERALL, flow_angle: 45.0 DEGREES, leg_length: 2.000 INCHES NOMINAL ALL ENDS IN, sweep_type: EXTRA LONG, connection_type: BUTT WELD PIPE ALL ENDS, connection_style: BEVELED (PIPE) ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-300-4102, 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
ASTM A234-3
NSN: 4730-01-300-4102
FSC: 4730
CAGE: 81346 — AMERICAN SOCIETY FOR TESTING AND MATERIALS DBA ASTM INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
flow_angle45.0 DEGREES
leg_length2.000 INCHES NOMINAL ALL ENDS IN
sweep_typeEXTRA LONG
connection_typeBUTT WELD PIPE ALL ENDS
connection_styleBEVELED (PIPE) ALL ENDS
media_for_which_designedWATER-OIL-GAS SINGLE RESPONSE
nondefinitive_spec/std_data2 TABLE
specification/standard_data81346-B16.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
nominal_pipe_size_accommodated3.000 INCHES ALL ENDS IN
material_document_and_classificationASTM A234-82A ASSN STD SINGLE MATERIAL RESPONSE OVERALL A
pipe_wall_thickness_designation_for_which_designedSCHEDULE 80 SECOND END
NSN4730-01-300-4102
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ASTM A234-3 · 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
•
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNED: SCHEDULE 80 SECOND END
•
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SINGLE RESPONSE
•
LEG LENGTH: 4.500 INCHES NOMINAL ALL ENDS IN
•
CONNECTION TYPE: BUTT WELD PIPE ALL ENDS
•
NOMINAL PIPE SIZE ACCOMMODATED: 3.000 INCHES ALL ENDS IN
•
FLOW ANGLE: 90.0 DEGREES
•
NONDEFINITIVE SPEC/STD DATA: C80 PIECE
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNEDSCHEDULE 80 SECOND END
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
LEG LENGTH4.500 INCHES NOMINAL ALL ENDS IN
CONNECTION TYPEBUTT WELD PIPE ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED3.000 INCHES ALL ENDS IN
FLOW ANGLE90.0 DEGREES
NONDEFINITIVE SPEC/STD DATAC80 PIECE
MATERIALSTEEL CORROSION RESISTING OVERALL
CONNECTION STYLEBEVELED (PIPE) ALL ENDS
SPECIFICATION/STANDARD DATA81346-B16.9 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
SKA-5Interchangeable
interchangeable cross-reference
interchangeable
452-1333Interchangeable
interchangeable cross-reference
interchangeable
B1693Interchangeable
interchangeable cross-reference
interchangeable
806-030Interchangeable
interchangeable cross-reference
interchangeable
116714Interchangeable
interchangeable cross-reference
interchangeable
A1105Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ASTM A234-3?
ASTM A234-3 is a FLANGE,COMPANION,VEHICULAR UNIVE.
What parts can replace ASTM A234-3?
There are 14 known substitutes for ASTM A234-3: SKA-5, 452-1333, B1693 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ASTM A234-3?
ASTM A234-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-300-4102. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026