PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M5Combustible Gas Indicator Set,po

Avox Systems Inc Dba Avox Systems Inc · NSN 6665-00-526-8103 · FSC 6665 · No Item Name Available
Verified by PartsTable
NSN 6665-00-526-8103 — this item is cataloged by the U.S. Government under National Stock Number 6665-00-526-8103. Primary manufacturer part number: M5.
Features
  • Combustible Gas Indicator Set,po — FSC 6665
  • Usage Design: DETECTS TOXIC AND COMBUSTIBLE LEVELS OF COMBUSTIBLE GASSES AND COMBUSTIBLE VAPORS
  • 2 verified cross-references
  • Primary manufacturer: Avox Systems Inc Dba Avox Systems Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Combustible Gas Indicator Set,po, cataloged under National Stock Number 6665-00-526-8103, is classified within Federal Supply Class 6665 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Avox Systems Inc Dba Avox Systems Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6665-00-526-8103
Primary Part NumberM5
Item NameCombustible Gas Indicator Set,po
FSC / FSG6665 / 66 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusACTIVE
Usage DesignDETECTS TOXIC AND COMBUSTIBLE LEVELS OF COMBUSTIBLE GASSES AND COMBUSTIBLE VAPORS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6665-00-181-2438 INTERCHANGEABLE
Combustible Gas Indicator Set,po
6665-00-181-2443 INTERCHANGEABLE
Combustible Gas Indicator Set,po
6665-00-182-77197958 INTERCHANGEABLE
Combustible Gas Indicator Set,po
Bacharach, Inc.
6665-00-490-247916386 INTERCHANGEABLE
Combustible Gas Indicator Set,po
Davis Inotek Instruments, Llc Dba Davis Calibration
6665-00-495-87367958-1 INTERCHANGEABLE
Combustible Gas Indicator Set,po
Bacharach, Inc.
6665-00-530-0985 INTERCHANGEABLE
Combustible Gas Indicator Set,po
6665-00-823-5637 INTERCHANGEABLE
Combustible Gas Indicator Set,po
6665-00-941-6554 INTERCHANGEABLE
Combustible Gas Indicator Set,po
6665-00-978-3045SANE10TYPER2 INTERCHANGEABLE
Combustible Gas Indicator Set,po
Warner Robins Air Logistics Center
6665-01-038-3006464284 INTERCHANGEABLE
Combustible Gas Indicator Set,po
Mine Safety Appliances Company
Cross-Reference Index
Part NumberManufacturer
MIL-I-38715 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M5 PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
Related Parts
6665-00-181-2438INTERCHANGEABLE
COMBUSTIBLE GAS INDICATOR SET,PO
6665-00-181-2443INTERCHANGEABLE
COMBUSTIBLE GAS INDICATOR SET,PO
6665-00-182-7719INTERCHANGEABLE
COMBUSTIBLE GAS INDICATOR SET,PO
7958
6665-00-490-2479INTERCHANGEABLE
COMBUSTIBLE GAS INDICATOR SET,PO
16386
6665-00-495-8736INTERCHANGEABLE
COMBUSTIBLE GAS INDICATOR SET,PO
7958-1
6665-00-530-0985INTERCHANGEABLE
COMBUSTIBLE GAS INDICATOR SET,PO
6665-00-823-5637INTERCHANGEABLE
COMBUSTIBLE GAS INDICATOR SET,PO
6665-00-941-6554INTERCHANGEABLE
COMBUSTIBLE GAS INDICATOR SET,PO
6665-00-978-3045INTERCHANGEABLE
COMBUSTIBLE GAS INDICATOR SET,PO
SANE10TYPER2
6665-01-038-3006INTERCHANGEABLE
COMBUSTIBLE GAS INDICATOR SET,PO
464284
6665-01-153-8474INTERCHANGEABLE
COMBUSTIBLE GAS INDICATOR SET,PO
51-8018
6665-01-294-8859INTERCHANGEABLE
COMBUSTIBLE GAS INDICATOR SET,PO
51-8073

Frequently Asked Questions

What is NSN 6665-00-526-8103?

NSN 6665-00-526-8103 is a Combustible Gas Indicator Set,po, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 6665 (No Item Name Available). Status: active.

What are the part numbers for NSN 6665-00-526-8103?

NSN 6665-00-526-8103 has 2 cross-referenced part numbers: MIL-I-38715 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M5 (Avox Systems Inc Dba Avox Systems Inc).

What NSN replaces 6665-00-526-8103?

There are 12 known substitutes for 6665-00-526-8103: 6665-00-181-2438, 6665-00-181-2443, 6665-00-182-7719 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M5?

Key specifications for M5: Usage Design: DETECTS TOXIC AND COMBUSTIBLE LEVELS OF COMBUSTIBLE GASSES AND COMBUSTIBLE VAPORS. 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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