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4B0413 — ELBOW,PIPE TO TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

4B0413: ELBOW,PIPE TO TUBE.

The ELBOW,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 377 OVERALL, flow_angle: 90.0 DEGREES, leg_length: 1.031 INCHES NOMINAL SECOND END IN, thread_class: 3B FIRST END, connection_type: THREADED EXTERNAL PIPE SECOND END, connection_style: DOUBLE COMPRESSION (TUBE) FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-278-0193, 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
4B0413
NSN: 4730-00-278-0193
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialCOPPER ALLOY 377 OVERALL
flow_angle90.0 DEGREES
leg_length1.031 INCHES NOMINAL SECOND END IN
thread_class3B FIRST END
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_styleDOUBLE COMPRESSION (TUBE) FIRST END
nominal_thread_size0.688 INCHES FIRST END IN
seat_nominal_radius0.062 INCHES FIRST END IN
thread_quantity_per_inch16 FIRST END
thread_series_designatorNPTF SECOND END
furnished_items_and_quantity1 FLARED SLEEVE AND 1 INVERTED NUT
nominal_pipe_size_accommodated0.500 INCHES SECOND END IN
NSN4730-00-278-0193
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4B0413 · 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
•
FURNISHED ITEMS AND QUANTITY: 1 FLARED SLEEVE AND 1 INVERTED NUT
•
FLOW ANGLE: 90.0 DEGREES
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.500 INCHES SECOND END IN
•
CONNECTION STYLE: DOUBLE COMPRESSION (TUBE) FIRST END
•
SEAT NOMINAL RADIUS: 0.062 INCHES FIRST END IN
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY1 FLARED SLEEVE AND 1 INVERTED NUT
FLOW ANGLE90.0 DEGREES
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES SECOND END IN
CONNECTION STYLEDOUBLE COMPRESSION (TUBE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
SEAT NOMINAL RADIUS0.062 INCHES FIRST END IN
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626,COMP 21 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
SUBSTITUTES & CROSS-REFERENCES 4
30349Reference document
Same NSN cross-reference
Reference document — Secondary reference
4-89-LB-08X08Reference document
Same NSN cross-reference
Reference document — Secondary reference
30349AReference document
Same NSN cross-reference
Reference document — Secondary reference
7-446-080836Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4B0413?
4B0413 is a ELBOW,PIPE TO TUBE.
What parts can replace 4B0413?
There are 4 known substitutes for 4B0413: 30349, 4-89-LB-08X08, 30349A and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4B0413?
4B0413 is cataloged in the U.S. Government catalog under NSN 4730-00-278-0193. This indicates validated use in U.S. government and defense supply chains.
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