The COUPLING,BOSS is a the manufacturer industrial component. Key specifications include thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL BOSS ALL ENDS, connection_style: FLARED W/ GASKET SEAL (BOSS) ALL ENDS, special_features: U/O CREW ESCAPE OF B1B ACFT, style_designator: PLAIN, nominal_thread_size: 0.4375 INCHES ALL ENDS IN. This part is cataloged in the U.S.
Government catalog under NSN 4730-01-233-2108, 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
AD58L4A
NSN:4730-01-233-2108 FSC:4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings CAGE:79326 — TRANSDIGM INC DIV ADELWIGGINS GROUP (USA)
SPECIFICATIONS
thread_class
3A ALL ENDS A
connection_type
THREADED EXTERNAL BOSS ALL ENDS
connection_style
FLARED W/ GASKET SEAL (BOSS) ALL ENDS
special_features
U/O CREW ESCAPE OF B1B ACFT
style_designator
PLAIN
nominal_thread_size
0.4375 INCHES ALL ENDS IN
nominal_overall_length
3.487 INCHES IN
thread_series_designator
UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
NSN
4730-01-233-2108
COMPONENT DIAGRAM
KEY FEATURES
•
CONNECTION STYLE: FLARED W/ GASKET SEAL (BOSS) ALL ENDS
•
NOMINAL OVERALL LENGTH: 3.487 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL BOSS ALL ENDS
•
STYLE DESIGNATOR: PLAIN
•
NOMINAL THREAD SIZE: 0.4375 INCHES ALL ENDS IN
•
THREAD CLASS: 3A ALL ENDS A
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
TECHNICAL CHARACTERISTICS
CONNECTION STYLE
FLARED W/ GASKET SEAL (BOSS) ALL ENDS
NOMINAL OVERALL LENGTH
3.487 INCHES IN
CONNECTION TYPE
THREADED EXTERNAL BOSS ALL ENDS
STYLE DESIGNATOR
PLAIN
NOMINAL THREAD SIZE
0.4375 INCHES ALL ENDS IN
SPECIAL FEATURES
U/O CREW ESCAPE OF B1B ACFT
THREAD CLASS
3A ALL ENDS A
THREAD SERIES DESIGNATOR
UNIFIED NATIONAL JOINT FINE (UNJF) 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 AD58L4A?
AD58L4A is a COUPLING,BOSS.
What parts can replace AD58L4A?
There is 1 known substitute for AD58L4A: 831749-403. Substitute compatibility should be verified for your specific system.
What is the NSN for AD58L4A?
AD58L4A is cataloged in the U.S. Government catalog under NSN 4730-01-233-2108. This indicates validated use in U.S. government and defense supply chains.
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