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7M2-8D4 — REDUCER,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

7M2-8D4: REDUCER,TUBE.

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

Government catalog under NSN 4730-00-202-7574, 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
7M2-8D4
NSN: 4730-00-202-7574
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
seat_angle37.0 DEGREES SECOND END
reducer_typeCONCENTRIC
thread_class3A SECOND END A
connection_typeTHREADED INTERNAL TUBE FIRST END
connection_styleFLARED (TUBE) SECOND END
surface_treatmentANODIZE OVERALL
nominal_thread_size0.438 INCHES SECOND END IN
nominal_overall_length1.450 INCHES IN
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
nominal_outside_diameter_tube_accommodated0.250 INCHES SECOND END IN
NSN4730-00-202-7574
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 7M2-8D4 · 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
•
CONNECTION STYLE: FLARED (TUBE) SECOND END
•
NOMINAL OVERALL LENGTH: 1.450 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE SECOND END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES SECOND END IN
•
NOMINAL THREAD SIZE: 0.438 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARED (TUBE) SECOND END
CONNECTION STYLEFLARED (TUBE) FIRST END
NOMINAL OVERALL LENGTH1.450 INCHES IN
CONNECTION TYPETHREADED EXTERNAL TUBE SECOND END
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
NOMINAL THREAD SIZE0.438 INCHES SECOND END IN
NOMINAL THREAD SIZE0.750 INCHES FIRST END IN
SEAT ANGLE37.0 DEGREES SECOND END
SUBSTITUTES & CROSS-REFERENCES 1
7M2Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 7M2-8D4?
7M2-8D4 is a REDUCER,TUBE.
What parts can replace 7M2-8D4?
There is 1 known substitute for 7M2-8D4: 7M2. Substitute compatibility should be verified for your specific system.
What is the NSN for 7M2-8D4?
7M2-8D4 is cataloged in the U.S. Government catalog under NSN 4730-00-202-7574. This indicates validated use in U.S. government and defense supply chains.
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