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PartsTable / COMPONENT / AS1003J040406
AS1003J040406 ✓ 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

The TEE,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, leg_length: 1.665 INCHES NOMINAL FIRST END IN, seat_angle: 12.0 DEGREES FIRST END, thread_class: 3A FIRST END BULKHEAD A, connection_type: THREADED EXTERNAL TUBE THIRD END, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-474-0923, 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
AS1003J040406
NSN: 4730-00-474-0923
FSC: 4730
CAGE: 50808 — UNITED SUPPLY CO INC (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
leg_length1.665 INCHES NOMINAL FIRST END IN
seat_angle12.0 DEGREES FIRST END
thread_class3A FIRST END BULKHEAD A
connection_typeTHREADED EXTERNAL TUBE THIRD END
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
surface_treatmentPASSIVATE OVERALL
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.562 INCHES THIRD END IN
maximum_operating_temp135.0 CELSIUS SINGLE RESPONSE DEGC
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
specification/standard_data81343-AS1003 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN4730-00-474-0923
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AS1003J040406 · 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
•
LEG LENGTH: 1.086 INCHES NOMINAL THIRD END IN
•
THREAD CLASS: 3A ALL ENDS A
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
•
CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END BULKHEAD
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS (FLIS)
LEG LENGTH1.086 INCHES NOMINAL THIRD END IN
THREAD CLASS3A ALL ENDS A
SURFACE TREATMENTPASSIVATE OVERALL
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
THREAD CLASS3A FIRST END BULKHEAD A
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END BULKHEAD
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
AS1005Interchangeable
Same NIIN cross-reference
interchangeable
AS1005J040406Interchangeable
Same NIIN cross-reference
interchangeable
SAE-AS18280Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS1003J040406?
AS1003J040406 is a TEE,TUBE TO BOSS.
What parts can replace AS1003J040406?
There are 3 known substitutes for AS1003J040406: AS1005, AS1005J040406, SAE-AS18280. Substitute compatibility should be verified for your specific system.
What is the NSN for AS1003J040406?
AS1003J040406 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-474-0923. 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.
PartsTable Design LLC · partstable.com
Last verified: July 2026