The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: ALUMINUM 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 4730-01-436-0775, 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
7M503
NSN:4730-01-436-0775 FSC:4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings CAGE:76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
material
ALUMINUM 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
surface_treatment
ANODIZE OVERALL
nominal_thread_size
0.375 INCHES SECOND END IN
maximum_operating_temp
250.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length
1.520 INCHES IN
end_item_identification
A/F-18-DCN AIRCRAFT, HORNET
thread_series_designator
UNF ALL ENDS
NSN
4730-01-436-0775
COMPONENT DIAGRAM
KEY FEATURES
•
CONNECTION STYLE: FLARELESS (TUBE) ALL ENDS
•
NOMINAL OVERALL LENGTH: 1.520 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.125 INCHES SECOND END IN
•
NOMINAL THREAD SIZE: 0.437 INCHES FIRST END IN
•
SEAT ANGLE: 20.0 DEGREES ALL ENDS
TECHNICAL CHARACTERISTICS
CONNECTION STYLE
FLARELESS (TUBE) ALL ENDS
NOMINAL OVERALL LENGTH
1.520 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
0.437 INCHES FIRST END IN
NOMINAL THREAD SIZE
0.375 INCHES SECOND END IN
SEAT ANGLE
20.0 DEGREES ALL ENDS
MAXIMUM OPERATING TEMP
250.0 FAHRENHEIT SINGLE RESPONSE DEGF
SURFACE TREATMENT
ANODIZE OVERALL
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 7M503?
7M503 is a REDUCER,TUBE.
What parts can replace 7M503?
There is 1 known substitute for 7M503: 7M503A4-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 7M503?
7M503 is cataloged in the U.S. Government catalog under NSN 4730-01-436-0775. This indicates validated use in U.S. government and defense supply chains.
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