The REDUCER,BOSS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, reducer_type: CONCENTRIC, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL BOSS ALL ENDS, connection_style: FLARED W/ GASKET SEAL (BOSS) ALL ENDS, special_features: DRILLED PER MIL STD. MS24487..
This part is cataloged in the U.S. Government catalog under NSN 4730-01-422-5717, 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
RYLB189
NSN:4730-01-422-5717 FSC:4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings CAGE:05624 — GE AVIATION SYSTEMS LLC DBA GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
material
ALUMINUM ALLOY OVERALL
reducer_type
CONCENTRIC
thread_class
3A ALL ENDS A
connection_type
THREADED EXTERNAL BOSS ALL ENDS
connection_style
FLARED W/ GASKET SEAL (BOSS) ALL ENDS
special_features
DRILLED PER MIL STD. MS24487.
surface_treatment
ANODIZE OVERALL
nominal_thread_size
0.562 INCHES FIRST END IN
nominal_overall_length
1.406 INCHES IN
end_item_identification
C17A AIRCRAFT.
thread_series_designator
UNF ALL ENDS
specification/standard_data
88044-AN919 GOVERNMENT STANDARD
NSN
4730-01-422-5717
COMPONENT DIAGRAM
KEY FEATURES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: FLARED W/ GASKET SEAL (BOSS) ALL ENDS
•
NOMINAL OVERALL LENGTH: 1.406 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL BOSS ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/4, T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD SIZE: 0.500 INCHES SECOND END IN
•
SPECIFICATION/STANDARD DATA: 88044-AN919 GOVERNMENT STANDARD
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION
MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLE
FLARED W/ GASKET SEAL (BOSS) ALL ENDS
NOMINAL OVERALL LENGTH
1.406 INCHES IN
CONNECTION TYPE
THREADED EXTERNAL BOSS ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATION
QQ-A-225/4, T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE
0.500 INCHES SECOND END IN
NOMINAL THREAD SIZE
0.562 INCHES FIRST END IN
SPECIFICATION/STANDARD DATA
88044-AN919 GOVERNMENT STANDARD
SPECIAL FEATURES
DRILLED PER MIL STD. MS24487.
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 RYLB189?
RYLB189 is a REDUCER,BOSS.
What parts can replace RYLB189?
There is 1 known substitute for RYLB189: RYBL189. Substitute compatibility should be verified for your specific system.
What is the NSN for RYLB189?
RYLB189 is cataloged in the U.S. Government catalog under NSN 4730-01-422-5717. This indicates validated use in U.S. government and defense supply chains.
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