PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

TM 6004Cylinder Assembly,breathing Air

Mako Compressors, Llc · NSN 4240-01-249-7990 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-249-7990 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-249-7990. Primary manufacturer part number: TM 6004.
Features
  • Cylinder Assembly,breathing Air — FSC 4240
  • 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
  • 4 verified cross-references
  • Primary manufacturer: Mako Compressors, Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cylinder Assembly,breathing Air, cataloged under National Stock Number 4240-01-249-7990, is classified within Federal Supply Class 4240 (No Item Name Available) of the Fire Fighting, Rescue, and Safety Equipment group. The primary manufacturer of record is Mako Compressors, Llc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4240-01-249-7990
Primary Part NumberTM 6004
Item NameCylinder Assembly,breathing Air
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerMako Compressors, Llc
StatusCANCELLED
Functional DescriptionTHIS SET OF 4 AIR CYLINDERS IS USED TO RECHARGE AND REFILL AIR CYLINDERS USED BY INDIVIDUALS ON THEIR SELF-CONTAINED BREATHING APPARATUS
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
4730-00-128-0468 INTERCHANGEABLE
Union,pipe to Tube
6695-00-895-1348CS4-4 INTERCHANGEABLE
Sampler,liquid
Cosmodyne, Llc Dba Cosmodyne Llc
Cross-Reference Index
Part NumberManufacturer
TM 6004 PRIMARY Mako Compressors, Llc (USA)
NO 5 SYSTEM Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems (USA)
70-6604 Eagle Compressors, Inc. Dba Eagle Compressors (USA)
CS4-4 PRIMARY Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems (USA)
Related Parts
4730-00-128-0468INTERCHANGEABLE
UNION,PIPE TO TUBE
6695-00-895-1348INTERCHANGEABLE
SAMPLER,LIQUID
CS4-4

Frequently Asked Questions

What is NSN 4240-01-249-7990?

NSN 4240-01-249-7990 is a Cylinder Assembly,breathing Air, manufactured by Mako Compressors, Llc, classified under FSC 4240 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4240-01-249-7990?

NSN 4240-01-249-7990 has 4 cross-referenced part numbers: TM 6004 (Mako Compressors, Llc), NO 5 SYSTEM (Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems), 70-6604 (Eagle Compressors, Inc. Dba Eagle Compressors), CS4-4 (Sub Aquatics, Inc. Dba Breathing Air Systems Div Sub-Aquatics Inc, Dba Breathing Air Systems).

What NSN replaces 4240-01-249-7990?

There are 2 known substitutes for 4240-01-249-7990: 4730-00-128-0468, 6695-00-895-1348. Verify interchangeability with system specifications before substitution.

What are the specifications of TM 6004?

Key specifications for TM 6004: Special Features: DOT 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 Description: THIS 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 Agency: CYLINDER ASSEMBLY, BREATHING AIR. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4240-01-249-7990 still in active supply?

NSN 4240-01-249-7990 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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