PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51-8073Combustible Gas Indicator Set,po

Bacharach Inc · NSN 6665-00-941-6554 · FSC 6665 · No Item Name Available
Verified by PartsTable
NSN 6665-00-941-6554 — this item is cataloged by the U.S. Government under National Stock Number 6665-00-941-6554. Primary manufacturer part number: 51-8073.
Features
  • Combustible Gas Indicator Set,po — FSC 6665
  • Supply Items and Quantities: ITEM INCLUDES CARRYING CASE 1;METHANE CALIBRATION TANK 1;15 FT HOSE ASSY 1;SAMPLE LINE KIT 1;230 VAC CHARGER CORD 1;120 VAC CHARGER CORD 1;12 VDC CHARGER CORD 1;DRYING TUBE 1;CARRYING STRAP 1;PROBE ASSEMBLY 1;OXY CELL ASSY 1;REGULATOR ASSY 1;5 FT HOSE ASSY 1;HYDROGEN CALIBRATION TANK 1;INDICATOR AND ALARM 1 VDC
  • Usage Design: DETECTS TOXIC AND COMBUSTIBLE LEVELS OF COMBUSTIBLE GASSES AND COMBUSTIBLE VAPORS
  • Component Quantity: 15
  • Reference Data and Literature: T.O. 11H5-35-1
  • 3 verified cross-references
  • Primary manufacturer: Bacharach 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 6665-00-941-6554, is classified within Federal Supply Class 6665 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Bacharach Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN6665-00-941-6554
Primary Part Number51-8073
Item NameCombustible Gas Indicator Set,po
FSC / FSG6665 / 66 — No Item Name Available
ManufacturerBacharach Inc
StatusACTIVE
Supply Items and QuantitiesITEM INCLUDES CARRYING CASE 1;METHANE CALIBRATION TANK 1;15 FT HOSE ASSY 1;SAMPLE LINE KIT 1;230 VAC CHARGER CORD 1;120 VAC CHARGER CORD 1;12 VDC CHARGER CORD 1;DRYING TUBE 1;CARRYING STRAP 1;PROBE ASSEMBLY 1;OXY CELL ASSY 1;REGULATOR ASSY 1;5 FT HOSE ASSY 1;HYDROGEN CALIBRATION TANK 1;INDICATOR AND ALARM 1 VDC
Usage DesignDETECTS TOXIC AND COMBUSTIBLE LEVELS OF COMBUSTIBLE GASSES AND COMBUSTIBLE VAPORS
Component Quantity15
Reference Data and LiteratureT.O. 11H5-35-1
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.
6665-00-526-8103M5 INTERCHANGEABLE
Combustible Gas Indicator Set,po
Avox Systems Inc Dba Avox Systems Inc
6665-00-530-0985 INTERCHANGEABLE
Combustible Gas Indicator Set,po
5330-00-734-6579518073 INTERCHANGEABLE
Gasket
Sealcraft Corporation
6665-00-823-5637 INTERCHANGEABLE
Combustible Gas Indicator Set,po
6665-00-978-3045SANE10TYPER2 INTERCHANGEABLE
Combustible Gas Indicator Set,po
Warner Robins Air Logistics Center
Cross-Reference Index
Part NumberManufacturer
51-8073 Bacharach Inc (USA)
MILI38715 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-38715B Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
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
6665-00-526-8103INTERCHANGEABLE
COMBUSTIBLE GAS INDICATOR SET,PO
M5
6665-00-530-0985INTERCHANGEABLE
COMBUSTIBLE GAS INDICATOR SET,PO
5330-00-734-6579INTERCHANGEABLE
GASKET
518073
6665-00-823-5637INTERCHANGEABLE
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

Frequently Asked Questions

What is NSN 6665-00-941-6554?

NSN 6665-00-941-6554 is a Combustible Gas Indicator Set,po, manufactured by Bacharach Inc, classified under FSC 6665 (No Item Name Available). Status: active.

What are the part numbers for NSN 6665-00-941-6554?

NSN 6665-00-941-6554 has 3 cross-referenced part numbers: 51-8073 (Bacharach Inc), MILI38715 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-38715B (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6665-00-941-6554?

There are 12 known substitutes for 6665-00-941-6554: 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 51-8073?

Key specifications for 51-8073: Supply Items and Quantities: ITEM INCLUDES CARRYING CASE 1;METHANE CALIBRATION TANK 1;15 FT HOSE ASSY 1;SAMPLE LINE KIT 1;230 VAC CHARGER CORD 1;120 VAC CHARGER CORD 1;12 VDC CHARGER CORD 1;DRYING TUBE 1;CARRYING STRAP 1;PROBE ASSEMBLY 1;OXY CELL ASSY 1;REGULATOR ASSY 1;5 FT HOSE ASSY 1;HYDROGEN CALIBRATION TANK 1;INDICATOR AND ALARM 1 VDC; Part Name Assigned by Controlling Agency: ALARM SYSTEM,COMBUSTIBLE GAS AND OXYGEN INDICATOR,AUTOMATIC; Usage Design: DETECTS TOXIC AND COMBUSTIBLE LEVELS OF COMBUSTIBLE GASSES AND COMBUSTIBLE VAPORS; Component Quantity: 15. 6 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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