The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, seat_angle: 20.0 DEGREES ALL ENDS, reducer_type: CONCENTRIC, thread_class: 2A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARELESS (TUBE) ALL ENDS. This part is cataloged in the U.S.
Government catalog under NSN 4730-01-167-2791, 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
B4-1RU-3
NSN:4730-01-167-2791 FSC:4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings CAGE:14971 — TYLOK INTERNATIONAL, INC. (USA)
SPECIFICATIONS
material
COPPER ALLOY OVERALL
seat_angle
20.0 DEGREES ALL ENDS
reducer_type
CONCENTRIC
thread_class
2A ALL ENDS A
connection_type
THREADED EXTERNAL TUBE ALL ENDS
connection_style
FLARELESS (TUBE) ALL ENDS
nominal_thread_size
0.438 INCHES FIRST END IN
nominal_overall_length
1.550 INCHES IN
thread_series_designator
UNF ALL ENDS
furnished_items_and_quantity
4 FERRULE SLEEVE AND 2 TUBE COUPLING NUT W/SLEEVE
nominal_outside_diameter_tube_accommodated
0.188 INCHES SECOND END IN
NSN
4730-01-167-2791
COMPONENT DIAGRAM
KEY FEATURES
•
FURNISHED ITEMS AND QUANTITY: 4 FERRULE SLEEVE AND 2 TUBE COUPLING NUT W/SLEEVE
•
CONNECTION STYLE: FLARELESS (TUBE) ALL ENDS
•
NOMINAL OVERALL LENGTH: 1.550 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
•
NOMINAL THREAD SIZE: 0.375 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
FURNISHED ITEMS AND QUANTITY
4 FERRULE SLEEVE AND 2 TUBE COUPLING NUT W/SLEEVE
CONNECTION STYLE
FLARELESS (TUBE) ALL ENDS
NOMINAL OVERALL LENGTH
1.550 INCHES IN
CONNECTION TYPE
THREADED EXTERNAL TUBE ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED
0.250 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED
0.188 INCHES SECOND END IN
NOMINAL THREAD SIZE
0.375 INCHES SECOND END IN
NOMINAL THREAD SIZE
0.438 INCHES FIRST END IN
SEAT ANGLE
20.0 DEGREES ALL ENDS
THREAD CLASS
2A ALL ENDS A
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is B4-1RU-3?
B4-1RU-3 is a REDUCER,TUBE.
What parts can replace B4-1RU-3?
There are 3 known substitutes for B4-1RU-3: 4-3HBZ-B, 8227263, 4RU3. Substitute compatibility should be verified for your specific system.
What is the NSN for B4-1RU-3?
B4-1RU-3 is cataloged in the U.S. Government catalog under NSN 4730-01-167-2791. This indicates validated use in U.S. government and defense supply chains.
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