7M637DA-2D — REDUCER,TUBE

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

7M637DA-2D: REDUCER,TUBE.

The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, seat_angle: 37.0 DEGREES ALL ENDS, reducer_type: CONCENTRIC, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARED (TUBE) ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-141-9668, 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

7M637DA-2D

NSN: 4730-01-141-9668
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY OVERALL
seat_angle	37.0 DEGREES ALL ENDS
reducer_type	CONCENTRIC
thread_class	3A ALL ENDS A
connection_type	THREADED EXTERNAL TUBE ALL ENDS
connection_style	FLARED (TUBE) ALL ENDS
surface_treatment	ALUMINUM OVERALL
nominal_thread_size	0.375 INCHES SECOND END IN
nominal_overall_length	1.281 INCHES IN
thread_series_designator	UNF SECOND END
reduced_passage_nominal_inside_diameter	0.125 INCHES SECOND END IN
nominal_outside_diameter_tube_accommodated	0.250 INCHES FIRST END IN
NSN	4730-01-141-9668

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-83488,CL 3,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

CONNECTION STYLE: FLARED (TUBE) ALL ENDS

•

NOMINAL OVERALL LENGTH: 1.281 INCHES IN

•

CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS

•

NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN

•

REDUCED PASSAGE NOMINAL INSIDE DIAMETER: 0.125 INCHES SECOND END IN

•

NOMINAL THREAD SIZE: 0.375 INCHES SECOND END IN

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-83488,CL 3,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLE	FLARED (TUBE) ALL ENDS
NOMINAL OVERALL LENGTH	1.281 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
REDUCED PASSAGE NOMINAL INSIDE DIAMETER	0.125 INCHES SECOND END IN
NOMINAL THREAD SIZE	0.375 INCHES SECOND END IN
NOMINAL THREAD SIZE	0.438 INCHES FIRST END IN
SEAT ANGLE	37.0 DEGREES ALL ENDS

SUBSTITUTES & CROSS-REFERENCES 3

7M637DA-20Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

7M637Reference document

Same NSN cross-reference

Reference document — Drawing number reference only

10108749Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 7M637DA-2D?

7M637DA-2D is a REDUCER,TUBE.

What parts can replace 7M637DA-2D?

There are 3 known substitutes for 7M637DA-2D: 7M637DA-20, 7M637, 10108749. Substitute compatibility should be verified for your specific system.

What is the NSN for 7M637DA-2D?

7M637DA-2D is cataloged in the U.S. Government catalog under NSN 4730-01-141-9668. This indicates validated use in U.S. government and defense supply chains.

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