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Technical Data Sheet
PartsTable / COMPONENT / 4730005411756
4730005411756 ✓ 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 ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-12 OVERALL, seat_angle: 12.0 DEGREES ALL ENDS, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARELESS (TUBE) ALL ENDS, special_features: MATERIAL CORROSION RESISTANT STEEL (15-5PH) CADMIUM PLATED; FIRST END BULKHEAD, SECOND END UNIVERSAL (BOSS AND TUBE). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-541-1756, 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
4730005411756
NSN: 4730-00-541-1756
FSC: 4730
CAGE: SCY13 — E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
SPECIFICATIONS
materialSTEEL COMP XM-12 OVERALL
seat_angle12.0 DEGREES ALL ENDS
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARELESS (TUBE) ALL ENDS
special_featuresMATERIAL CORROSION RESISTANT STEEL (15-5PH) CADMIUM PLATED; FIRST END BULKHEAD, SECOND END UNIVERSAL (BOSS AND TUBE)
style_designatorFLARELESS W/ BULKHEAD THREADS
surface_treatmentCADMIUM OVERALL
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.750 INCHES ALL ENDS IN
nominal_overall_length2.031 INCHES IN
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
NSN4730-00-541-1756
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4730005411756 · 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: 0.750 INCHES CENTER BULKHEAD IN
•
THREAD CLASS: 3A CENTER BULKHEAD A
•
CONNECTION STYLE: FLARELESS (TUBE) FIRST END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES FIRST END IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
•
SURFACE TREATMENT: CADMIUM OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
•
SEAT ANGLE: 12.0 DEGREES FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.750 INCHES CENTER BULKHEAD IN
THREAD CLASS3A CENTER BULKHEAD A
CONNECTION STYLEFLARELESS (TUBE) FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
SURFACE TREATMENTCADMIUM OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
SEAT ANGLE12.0 DEGREES FIRST END
THREAD CLASS3A ALL ENDS A
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
MS21904D4Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-18280AInterchangeable
interchangeable cross-reference
interchangeable
MS21904-4Interchangeable
interchangeable cross-reference
interchangeable
AS21900-3Interchangeable
interchangeable cross-reference
interchangeable
MS21900-3Interchangeable
interchangeable cross-reference
interchangeable
AS21922Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4730005411756?
4730005411756 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace 4730005411756?
There are 12 known substitutes for 4730005411756: MS21904D4, MIL-F-18280A, MS21904-4 and 9 more. Substitute compatibility should be verified for your specific system.
Is 4730005411756 still available?
4730005411756 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