4MJ-4MB — ADAPTER,STRAIGHT,PIPE TO TUBE

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

4MJ-4MB: ADAPTER,STRAIGHT,PIPE TO TUBE.

The ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include nominal_length: 1.25 INCHES ALL ENDS IN, connection_type: THREADED EXTERNAL PIPE FIRST END, media_for_which_designed: HYDRAULIC FLUID SINGLE RESPONSE, nominal_outside_diameter: 0.4375 INCHES FIRST END IN, thread_quantity_per_inch: 20 ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-626-6641, 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

4MJ-4MB

NSN: 4730-01-626-6641
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 3T557 — ROYAL BRASS, INC. DBA ROYAL BRASS & HOSE (USA)

SPECIFICATIONS

nominal_length	1.25 INCHES ALL ENDS IN
connection_type	THREADED EXTERNAL PIPE FIRST END
media_for_which_designed	HYDRAULIC FLUID SINGLE RESPONSE
nominal_outside_diameter	0.4375 INCHES FIRST END IN
thread_quantity_per_inch	20 ALL ENDS
NSN	4730-01-626-6641

COMPONENT DIAGRAM

KEY FEATURES

•

NOMINAL LENGTH: 1.25 INCHES ALL ENDS IN

•

CONNECTION TYPE: THREADED EXTERNAL BOSS SECOND END

•

NOMINAL OUTSIDE DIAMETER: 0.4375 INCHES FIRST END IN

•

MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID SINGLE RESPONSE

•

THREAD QUANTITY PER INCH: 20 ALL ENDS

TECHNICAL CHARACTERISTICS

NOMINAL LENGTH	1.25 INCHES ALL ENDS IN
CONNECTION TYPE	THREADED EXTERNAL BOSS SECOND END
CONNECTION TYPE	THREADED EXTERNAL PIPE FIRST END
NOMINAL OUTSIDE DIAMETER	0.4375 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER	0.4375 INCHES SECOND END IN
MEDIA FOR WHICH DESIGNED	HYDRAULIC FLUID SINGLE RESPONSE
THREAD QUANTITY PER INCH	20 ALL ENDS

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 3

UHC1291Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

HC1291Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

Y00015011Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 4MJ-4MB?

4MJ-4MB is a ADAPTER,STRAIGHT,PIPE TO TUBE.

What parts can replace 4MJ-4MB?

There are 3 known substitutes for 4MJ-4MB: UHC1291, HC1291, Y00015011. Substitute compatibility should be verified for your specific system.

What is the NSN for 4MJ-4MB?

4MJ-4MB is cataloged in the U.S. Government catalog under NSN 4730-01-626-6641. This indicates validated use in U.S. government and defense supply chains.

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4MJ-4MB — ADAPTER,STRAIGHT,PIPE TO TUBE

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