PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7000128253Valve,breathing Apparatus

3m Company · NSN 4240-01-495-1305 · FSC 4240 · No Item Name Available
Verified by PartsTable
NSN 4240-01-495-1305 — this item is cataloged by the U.S. Government under National Stock Number 4240-01-495-1305. Primary manufacturer part number: 7000128253.
Features
  • Valve,breathing Apparatus — FSC 4240
  • 4 verified cross-references
  • Primary manufacturer: 3m Company
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,breathing Apparatus, cataloged under National Stock Number 4240-01-495-1305, 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 3m Company. This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4240-01-495-1305
Primary Part Number7000128253
Item NameValve,breathing Apparatus
FSC / FSG4240 / 42 — No Item Name Available
Manufacturer3m Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5905-00-158-7583589012-1 INTERCHANGEABLE
Resistor,variable,wire Wound,pre
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5945-00-240-32287583 INTERCHANGEABLE
Contact Set,relay
Te Connectivity Corporation
5960-00-925-2111 INTERCHANGEABLE
Electron Tube
5998-01-072-69847583 INTERCHANGEABLE
Circuit Card Assembly
Crown Audio, Inc. Dba Crown International
4130-01-192-0126 INTERCHANGEABLE
Accumulator,refrigerant
Cross-Reference Index
Part NumberManufacturer
7583 3m Company (USA)
7000002159 3m Company (USA)
7583 3m Company Div Oh&esd (USA)
7000128253 PRIMARY 3m Company (USA)
Related Parts
5905-00-158-7583INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,PRE
589012-1
5945-00-240-3228INTERCHANGEABLE
CONTACT SET,RELAY
7583
5960-00-925-2111INTERCHANGEABLE
ELECTRON TUBE
5998-01-072-6984INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
7583
4130-01-192-0126INTERCHANGEABLE
ACCUMULATOR,REFRIGERANT

Frequently Asked Questions

What is NSN 4240-01-495-1305?

NSN 4240-01-495-1305 is a Valve,breathing Apparatus, manufactured by 3m Company, classified under FSC 4240 (No Item Name Available). Status: active.

What are the part numbers for NSN 4240-01-495-1305?

NSN 4240-01-495-1305 has 4 cross-referenced part numbers: 7583 (3m Company), 7000002159 (3m Company), 7583 (3m Company Div Oh&esd), 7000128253 (3m Company).

What NSN replaces 4240-01-495-1305?

There are 5 known substitutes for 4240-01-495-1305: 5905-00-158-7583, 5945-00-240-3228, 5960-00-925-2111 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7000128253?

Key specifications for 7000128253: Special Features: EXHALATION VALVE FOR 7500 SERIES HALF FACEPIECE RESPIRATORS. 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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