PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

72004/2Breathing Apparatus

Avon Protection Systems Incorporated Dba Avon Protection Systems Inc · NSN 4240-01-529-9209 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-529-9209 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-529-9209. Primary manufacturer part number: 72004/2.
Features
  • Breathing Apparatus — FSC 4240
  • 1 verified cross-reference
  • Primary manufacturer: Avon Protection Systems Incorporated Dba Avon Protection Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Breathing Apparatus, cataloged under National Stock Number 4240-01-529-9209, 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 Avon Protection Systems Incorporated Dba Avon Protection Systems Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-529-9209
Primary Part Number72004/2
Item NameBreathing Apparatus
FSC / FSG4240 / 42 — No Item Name Available
ManufacturerAvon Protection Systems Incorporated Dba Avon Protection Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6105-00-740-775791268-15 INTERCHANGEABLE
Parts Kit,electric Motor
Kearfott Corporation Div Guidance and Navigation Division
4820-01-394-376461L (M39) INTERCHANGEABLE
Valve,regulating,fluid Pressure
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
Cross-Reference Index
Part NumberManufacturer
72004/2 PRIMARY Avon Protection Systems Incorporated Dba Avon Protection Systems Inc (USA)
Related Parts
6105-00-740-7757INTERCHANGEABLE
PARTS KIT,ELECTRIC MOTOR
91268-15
4820-01-394-3764INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
61L (M39)

Frequently Asked Questions

What is NSN 4240-01-529-9209?

NSN 4240-01-529-9209 is a Breathing Apparatus, manufactured by Avon Protection Systems Incorporated Dba Avon Protection Systems Inc, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-529-9209?

NSN 4240-01-529-9209 has 1 cross-referenced part number: 72004/2 (Avon Protection Systems Incorporated Dba Avon Protection Systems Inc).

What NSN replaces 4240-01-529-9209?

There are 2 known substitutes for 4240-01-529-9209: 6105-00-740-7757, 4820-01-394-3764. Verify interchangeability with system specifications before substitution.

What are the specifications of 72004/2?

Key specifications for 72004/2: End Item Identification: GAS MASKS. 1 total characteristics are documented in the Federal Logistics Information System.

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