PartsTable
Technical Data Sheet
4603-12-8-NWO ✓ 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 ELBOW,HOSE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flow_angle: 45.0 DEGREES, leg_length: 1.703 INCHES NOMINAL FIRST END IN, thread_class: 2A SECOND END A, connection_type: THREADED EXTERNAL BOSS SECOND END, connection_style: BEADED HOSE FIRST 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 4730-01-090-3245, 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
4603-12-8-NWO
NSN: 4730-01-090-3245
FSC: 4730
CAGE: 22031 — AIR-WAY MANUFACTURING COMPANY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flow_angle45.0 DEGREES
leg_length1.703 INCHES NOMINAL FIRST END IN
thread_class2A SECOND END A
connection_typeTHREADED EXTERNAL BOSS SECOND END
connection_styleBEADED HOSE FIRST END
nominal_thread_size0.750 INCHES SECOND END IN
thread_series_designatorUNF SECOND END
furnished_items_and_quantity1 LOCKNUT AND 1 FLAT WASHER AND 1 PREFORMED PACKING
nominal_inside_diameter_hose_accommodated0.750 INCHES FIRST END IN
NSN4730-01-090-3245
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4603-12-8-NWO · 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: 1.719 INCHES NOMINAL SECOND END IN
CONNECTION STYLE: BEADED HOSE FIRST END
MATERIAL: STEEL OVERALL
THREAD CLASS: 2A SECOND END A
FURNISHED ITEMS AND QUANTITY: 1 LOCKNUT AND 1 FLAT WASHER AND 1 PREFORMED PACKING
NOMINAL THREAD SIZE: 0.750 INCHES SECOND END IN
CONNECTION TYPE: THREADED EXTERNAL BOSS SECOND END
TECHNICAL CHARACTERISTICS (FLIS)
LEG LENGTH1.719 INCHES NOMINAL SECOND END IN
CONNECTION STYLEBEADED HOSE FIRST END
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
MATERIALSTEEL OVERALL
THREAD CLASS2A SECOND END A
FURNISHED ITEMS AND QUANTITY1 LOCKNUT AND 1 FLAT WASHER AND 1 PREFORMED PACKING
NOMINAL THREAD SIZE0.750 INCHES SECOND END IN
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
CONNECTION TYPEUNTHREADED EXTERNAL HOSE FIRST END
FLOW ANGLE45.0 DEGREES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
10587Interchangeable
interchangeable cross-reference
interchangeable
217321Interchangeable
interchangeable cross-reference
interchangeable
145789Interchangeable
interchangeable cross-reference
interchangeable
9709965Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4603-12-8-NWO?
4603-12-8-NWO is a ELBOW,HOSE TO BOSS.
What parts can replace 4603-12-8-NWO?
There are 4 known substitutes for 4603-12-8-NWO: 10587, 217321, 145789 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4603-12-8-NWO?
4603-12-8-NWO is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-090-3245. This indicates validated use in U.S. government and defense supply chains.
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