The COUPLING,BOSS is a the manufacturer industrial component. Key specifications include material: STEEL BODY, flange_shape: HEXAGON ALL ENDS BULKHEAD, connection_type: THREADED INTERNAL BOSS SECOND END, nominal_thread_size: 1.312 INCHES FIRST END IN, nominal_overall_length: 3.145 INCHES IN, thread_quantity_per_inch: 12 ALL ENDS. This part is cataloged in the U.S.
Government catalog under NSN 4730-01-659-7551, 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
13055521
NSN:4730-01-659-7551 FSC:4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings CAGE:19200 — COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE (USA)
SPECIFICATIONS
material
STEEL BODY
flange_shape
HEXAGON ALL ENDS BULKHEAD
connection_type
THREADED INTERNAL BOSS SECOND END
nominal_thread_size
1.312 INCHES FIRST END IN
nominal_overall_length
3.145 INCHES IN
thread_quantity_per_inch
12 ALL ENDS
thread_series_designator
UN ALL ENDS
nominal_width_across_flats
1.625 INCHES ALL ENDS BULKHEAD IN
part_name_assigned_by_controlling_agency
SWIVEL CONNECTOR, STRAIGHT THREAD
NSN
4730-01-659-7551
COMPONENT DIAGRAM
KEY FEATURES
•
FLANGE SHAPE: HEXAGON ALL ENDS BULKHEAD
•
NOMINAL WIDTH ACROSS FLATS: 1.625 INCHES ALL ENDS BULKHEAD IN
•
NOMINAL OVERALL LENGTH: 3.145 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL BOSS FIRST END
•
NOMINAL THREAD SIZE: 1.312 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
FLANGE SHAPE
HEXAGON ALL ENDS BULKHEAD
NOMINAL WIDTH ACROSS FLATS
1.625 INCHES ALL ENDS BULKHEAD IN
NOMINAL OVERALL LENGTH
3.145 INCHES IN
CONNECTION TYPE
THREADED EXTERNAL BOSS FIRST END
CONNECTION TYPE
THREADED INTERNAL BOSS SECOND END
CONNECTION TYPE
FLANGE ALL ENDS BULKHEAD
NOMINAL THREAD SIZE
1.312 INCHES FIRST END IN
NOMINAL THREAD SIZE
1.438 INCHES SECOND END IN
PART NAME ASSIGNED BY CONTROLLING AGENCY
SWIVEL CONNECTOR, STRAIGHT THREAD
THREAD QUANTITY PER INCH
12 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 13055521?
13055521 is a COUPLING,BOSS.
What parts can replace 13055521?
There is 1 known substitute for 13055521: 13055524. Substitute compatibility should be verified for your specific system.
What is the NSN for 13055521?
13055521 is cataloged in the U.S. Government catalog under NSN 4730-01-659-7551. This indicates validated use in U.S. government and defense supply chains.
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