The UNION,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, seat_type: RECESSED, seat_angle: 12.0 DEGREES ALL ENDS, reducer_type: CONCENTRIC, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS. This part is cataloged in the U.S.
Government catalog under NSN 4730-00-522-4939, 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
ER00221-6
NSN:4730-00-522-4939 FSC:4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings CAGE:79470 — DANA CORP WEATHERHEAD DIV (USA)
SPECIFICATIONS
material
STEEL OVERALL
seat_type
RECESSED
seat_angle
12.0 DEGREES ALL ENDS
reducer_type
CONCENTRIC
thread_class
3A ALL ENDS A
connection_type
THREADED EXTERNAL TUBE ALL ENDS
connection_style
FLARELESS (TUBE) ALL ENDS
style_designator
THREADED
surface_treatment
CADMIUM OVERALL
operating_pressure
3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size
0.562 INCHES ALL ENDS IN
coupling_flange_shape
HEXAGON
NSN
4730-00-522-4939
COMPONENT DIAGRAM
KEY FEATURES
•
CONNECTION STYLE: FLARELESS (TUBE) ALL ENDS
•
COUPLING FLANGE SHAPE: HEXAGON
•
NOMINAL OVERALL LENGTH: 3.779 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL TUBE ALL ENDS
•
STYLE DESIGNATOR: THREADED
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES ALL ENDS IN
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
SEAT TYPE: RECESSED
TECHNICAL CHARACTERISTICS
CONNECTION STYLE
FLARELESS (TUBE) ALL ENDS
COUPLING FLANGE SHAPE
HEXAGON
NOMINAL OVERALL LENGTH
3.779 INCHES IN
CONNECTION TYPE
THREADED EXTERNAL TUBE ALL ENDS
STYLE DESIGNATOR
THREADED
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED
0.375 INCHES ALL ENDS IN
OPERATING PRESSURE
3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
SEAT TYPE
RECESSED
NOMINAL THREAD SIZE
0.562 INCHES ALL ENDS IN
SEAT ANGLE
12.0 DEGREES 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.
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FREQUENTLY ASKED QUESTIONS
What is ER00221-6?
ER00221-6 is a UNION,TUBE.
What parts can replace ER00221-6?
There is 1 known substitute for ER00221-6: LS6962. Substitute compatibility should be verified for your specific system.
What is the NSN for ER00221-6?
ER00221-6 is cataloged in the U.S. Government catalog under NSN 4730-00-522-4939. This indicates validated use in U.S. government and defense supply chains.
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