The UNION,TUBE is a the manufacturer industrial component. Key specifications include thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL BOSS ALL ENDS, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS, style_designator: FLARELESS W/ CENTER WRENCHING FACILITY, surface_treatment: PASSIVATE OVERALL, operating_pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the U.S.
Government catalog under NSN 4730-01-479-9587, 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
MS21902-2S
NSN:4730-01-479-9587 FSC:4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings CAGE:0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
thread_class
3A ALL ENDS A
connection_type
THREADED EXTERNAL BOSS ALL ENDS
connection_style
EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
style_designator
FLARELESS W/ CENTER WRENCHING FACILITY
surface_treatment
PASSIVATE OVERALL
operating_pressure
3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size
0.312 INCHES ALL ENDS IN
maximum_operating_temp
275.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length
1.063 INCHES IN
thread_series_designator
UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
NSN
4730-01-479-9587
COMPONENT DIAGRAM
KEY FEATURES
•
CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
•
NOMINAL OVERALL LENGTH: 1.063 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL BOSS ALL ENDS
•
STYLE DESIGNATOR: FLARELESS W/ CENTER WRENCHING FACILITY
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
NOMINAL THREAD SIZE: 0.312 INCHES ALL ENDS IN
•
MAXIMUM OPERATING TEMP: 275.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
SURFACE TREATMENT: PASSIVATE OVERALL
TECHNICAL CHARACTERISTICS
CONNECTION STYLE
EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
NOMINAL OVERALL LENGTH
1.063 INCHES IN
CONNECTION TYPE
THREADED EXTERNAL BOSS ALL ENDS
STYLE DESIGNATOR
FLARELESS W/ CENTER WRENCHING FACILITY
OPERATING PRESSURE
3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL THREAD SIZE
0.312 INCHES ALL ENDS IN
MAXIMUM OPERATING TEMP
275.0 FAHRENHEIT SINGLE RESPONSE DEGF
SURFACE TREATMENT
PASSIVATE OVERALL
THREAD CLASS
3A ALL ENDS A
THREAD SERIES DESIGNATOR
UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END
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 MS21902-2S?
MS21902-2S is a UNION,TUBE.
What parts can replace MS21902-2S?
There is 1 known substitute for MS21902-2S: SAE-AS18280. Substitute compatibility should be verified for your specific system.
What is the NSN for MS21902-2S?
MS21902-2S is cataloged in the U.S. Government catalog under NSN 4730-01-479-9587. This indicates validated use in U.S. government and defense supply chains.
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