PartsTable
Technical Data Sheet
5H4778 ✓ 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,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1115 OVERALL, flow_angle: 90.0 DEGREES, leg_length: 1.190 INCHES NOMINAL SECOND END IN, seat_angle: 30.0 DEGREES FIRST END, connection_style: PLAIN (PIPE) SECOND END, surface_treatment: CADMIUM OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-289-2370, 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
5H4778
NSN: 4730-00-289-2370
FSC: 4730
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP 1115 OVERALL
flow_angle90.0 DEGREES
leg_length1.190 INCHES NOMINAL SECOND END IN
seat_angle30.0 DEGREES FIRST END
connection_stylePLAIN (PIPE) SECOND END
surface_treatmentCADMIUM OVERALL
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.250 INCHES SECOND END IN
thread_series_designatorNPSM FIRST END
nondefinitive_spec/std_data25 FIGURE
specification/standard_data81343-J516 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NSN4730-00-289-2370
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 5H4778 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
J514Interchangeable
interchangeable cross-reference
interchangeable
141-15140Interchangeable
interchangeable cross-reference
interchangeable
8392701Interchangeable
interchangeable cross-reference
interchangeable
4730000909252Interchangeable
interchangeable cross-reference
interchangeable
802CX548Interchangeable
interchangeable cross-reference
interchangeable
8713987Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5H4778?
5H4778 is a ELBOW,PIPE.
What parts can replace 5H4778?
There are 28 known substitutes for 5H4778: J514, 141-15140, 8392701 and 25 more. Substitute compatibility should be verified for your specific system.
Is 5H4778 still available?
5H4778 is currently cancelled.
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