4-2 HBZ-B-C3 — REDUCER,TUBE

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

4-2 HBZ-B-C3: REDUCER,TUBE.

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: 3A FIRST END 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 4730-01-529-0751, 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

4-2 HBZ-B-C3

NSN: 4730-01-529-0751
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 54938 — PARKER-HANNIFIN CORPORATION DIV INSTRUMENTATION PRODUCTS DIVISION (USA)

SPECIFICATIONS

material	COPPER ALLOY OVERALL
seat_angle	20.0 DEGREES ALL ENDS
reducer_type	CONCENTRIC
thread_class	3A FIRST END A
connection_type	THREADED EXTERNAL TUBE ALL ENDS
connection_style	FLARELESS (TUBE) ALL ENDS
special_features	NEXT ASSY: 3307374-1; USED ON 3301271-6101; NOTE: OXYGEN CLEAN PART
nominal_thread_size	0.438 INCHES FIRST END IN
nominal_overall_length	0.969 INCHES IN
end_item_identification	SUPPORT EQMT, B-2 BOMBER
thread_quantity_per_inch	20 FIRST END
thread_series_designator	UNF FIRST END
NSN	4730-01-529-0751

COMPONENT DIAGRAM

KEY FEATURES

•

CONNECTION STYLE: FLARELESS (TUBE) ALL ENDS

•

NOMINAL OVERALL LENGTH: 0.969 INCHES IN

•

CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.125 INCHES SECOND END IN

•

NOMINAL THREAD SIZE: 0.438 INCHES FIRST END IN

•

SEAT ANGLE: 20.0 DEGREES ALL ENDS

TECHNICAL CHARACTERISTICS

CONNECTION STYLE	FLARELESS (TUBE) ALL ENDS
NOMINAL OVERALL LENGTH	0.969 INCHES IN
CONNECTION TYPE	THREADED EXTERNAL TUBE ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.125 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.250 INCHES FIRST END IN
NOMINAL THREAD SIZE	0.438 INCHES FIRST END IN
NOMINAL THREAD SIZE	0.312 INCHES SECOND END IN
SEAT ANGLE	20.0 DEGREES ALL ENDS
SPECIAL FEATURES	NEXT ASSY: 3307374-1; USED ON 3301271-6101; NOTE: OXYGEN CLEAN PART
PART NAME ASSIGNED BY CONTROLLING AGENCY	NIPPLE,TUBE

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.

4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008

SUBSTITUTES & CROSS-REFERENCES 1

3307846-1Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 4-2 HBZ-B-C3?

4-2 HBZ-B-C3 is a REDUCER,TUBE.

What parts can replace 4-2 HBZ-B-C3?

There is 1 known substitute for 4-2 HBZ-B-C3: 3307846-1. Substitute compatibility should be verified for your specific system.

What is the NSN for 4-2 HBZ-B-C3?

4-2 HBZ-B-C3 is cataloged in the U.S. Government catalog under NSN 4730-01-529-0751. This indicates validated use in U.S. government and defense supply chains.

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