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Technical Data Sheet
NO 5 SYSTEM ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

CYLINDER ASSEMBLY,BREATHING AIR. Key specifications include part_name_assigned_by_controlling_agency: CYLINDER ASSEMBLY, BREATHING AIR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4240-01-249-7990, 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
NO 5 SYSTEM
NSN: 4240-01-249-7990
FSC: 4240
CAGE: 63054 — SUB AQUATICS, INC. DBA BREATHING AIR SYSTEMS DIV SUB-AQUATICS INC, DBA BREATHING AIR SYSTEMS (USA)
SPECIFICATIONS
special_featuresDOT SYSTEM W/MIN PSI OF 4500,W/FITTINGS,VALVES,PIGTAILS,FILL HOSE,LINE GAUGE,IN-LINE REGULATOR,CONNECTOR HOSE,WALL MOUNTING BRACKET; 4CY AT 45O CU FTEA W
functional_descriptionTHIS SET OF 4 AIR CYLINDERS IS USED TO RECHARGE AND REFILL AIR CYLINDERS USED BY INDIVIDUALS ON THEIR SELF-CONTAINED BREATHING APPARATUS
part_name_assigned_by_controlling_agencyCYLINDER ASSEMBLY, BREATHING AIR
NSN4240-01-249-7990
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CYLINDER ASSEMBLY,BREATHING AIR TITLE COMPONENT PN NO 5 SYSTEM MFR CYLINDER ASSEMBLY,BREA
KEY FEATURES
FUNCTIONAL DESCRIPTION: THIS SET OF 4 AIR CYLINDERS IS USED TO RECHARGE AND REFILL AIR CYLINDERS USED BY INDIVIDUALS ON THEIR SELF-CONTAINED BREATHING APPARATUS
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESDOT SYSTEM W/MIN PSI OF 4500,W/FITTINGS,VALVES,PIGTAILS,FILL HOSE,LINE GAUGE,IN-LINE REGULATOR,CONNECTOR HOSE,WALL MOUNTING BRACKET; 4CY AT 45O CU FTEA W
FUNCTIONAL DESCRIPTIONTHIS SET OF 4 AIR CYLINDERS IS USED TO RECHARGE AND REFILL AIR CYLINDERS USED BY INDIVIDUALS ON THEIR SELF-CONTAINED BREATHING APPARATUS
PART NAME ASSIGNED BY CONTROLLING AGENCYCYLINDER ASSEMBLY, BREATHING AIR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
CS44Interchangeable
interchangeable cross-reference
interchangeable
CS-4.4Interchangeable
interchangeable cross-reference
interchangeable
TTU-131/EInterchangeable
interchangeable cross-reference
interchangeable
70-6604Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NO 5 SYSTEM?
NO 5 SYSTEM is a CYLINDER ASSEMBLY,BREATHING AIR.
What parts can replace NO 5 SYSTEM?
There are 4 known substitutes for NO 5 SYSTEM: CS44, CS-4.4, TTU-131/E and 1 more. Substitute compatibility should be verified for your specific system.
Is NO 5 SYSTEM still available?
NO 5 SYSTEM is currently cancelled.
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