PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40000030Filament,combustible Gas Indicat

Avox Systems Inc Dba Avox Systems Inc · NSN 6665-00-429-6025 · FSC 6665 · No Item Name Available
Verified by PartsTable
NSN 6665-00-429-6025 — this item is cataloged by the U.S. Government under National Stock Number 6665-00-429-6025. Primary manufacturer part number: 40000030.
Features
  • Filament,combustible Gas Indicat — FSC 6665
  • Material: PLATINUM
  • Overall Diameter: 0.0003 INCHES NOMINAL IN
  • Precious Material: PLATINUM
  • Precious Material and Location: WIRED PLATINUM
  • 2 verified cross-references
  • Primary manufacturer: Avox Systems Inc Dba Avox Systems Inc
Applications
  • Applications requiring Platinum construction
General Description

The Filament,combustible Gas Indicat, cataloged under National Stock Number 6665-00-429-6025, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6665-00-429-6025
Primary Part Number40000030
Item NameFilament,combustible Gas Indicat
FSC / FSG6665 / 66 — No Item Name Available
ManufacturerAvox Systems Inc Dba Avox Systems Inc
StatusCANCELLED
MaterialPLATINUM
Overall Diameter0.0003 INCHES NOMINAL IN
Precious MaterialPLATINUM
Precious Material and LocationWIRED PLATINUM
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-087-7470119-4 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Watts Regulator Company
9390-00-298-3395 INTERCHANGEABLE
Wick
6250-00-299-47331194 INTERCHANGEABLE
Lampholder
Egs Electrical Group Appleton Div
2805-00-352-3083B281 INTERCHANGEABLE
Valve,poppet,engine
Agco Corp Parts Opn
5340-00-366-53601194 INTERCHANGEABLE
Disk,solid,plain
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
6150-00-371-32811194 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Champion Aerospace Llc
5945-00-433-35561794AS7015 INTERCHANGEABLE
Relay,solid State
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
4920-00-495-505511-94 INTERCHANGEABLE
Filament,tester,lub
Avox Systems Inc Dba Avox Systems Inc
6610-00-717-31671194 INTERCHANGEABLE
Movement
Emcore Corporation Div Concord Division
5950-00-950-1809436511 INTERCHANGEABLE
Transformer,power
Lockheed Martin Corporation Div Rms - Mitchel Field
Cross-Reference Index
Part NumberManufacturer
40000030 PRIMARY Avox Systems Inc Dba Avox Systems Inc (USA)
11-94 Avox Systems Inc Dba Avox Systems Inc (USA)
Related Parts
4820-00-087-7470INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
119-4
9390-00-298-3395INTERCHANGEABLE
WICK
6250-00-299-4733INTERCHANGEABLE
LAMPHOLDER
1194
2805-00-352-3083INTERCHANGEABLE
VALVE,POPPET,ENGINE
B281
5340-00-366-5360INTERCHANGEABLE
DISK,SOLID,PLAIN
1194
6150-00-371-3281INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
1194
5945-00-433-3556INTERCHANGEABLE
RELAY,SOLID STATE
1794AS7015
4920-00-495-5055INTERCHANGEABLE
FILAMENT,TESTER,LUB
11-94
6610-00-717-3167INTERCHANGEABLE
MOVEMENT
1194
5950-00-950-1809INTERCHANGEABLE
TRANSFORMER,POWER
436511
6650-00-963-0323INTERCHANGEABLE
PRISM,OPTICAL INSTRUMENT,MOUNTED
10581477-3
6850-01-010-3226INTERCHANGEABLE
SEALER,CHEMICAL
1194

Frequently Asked Questions

What is NSN 6665-00-429-6025?

NSN 6665-00-429-6025 is a Filament,combustible Gas Indicat, manufactured by Avox Systems Inc Dba Avox Systems Inc, classified under FSC 6665 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6665-00-429-6025?

NSN 6665-00-429-6025 has 2 cross-referenced part numbers: 40000030 (Avox Systems Inc Dba Avox Systems Inc), 11-94 (Avox Systems Inc Dba Avox Systems Inc).

What NSN replaces 6665-00-429-6025?

There are 12 known substitutes for 6665-00-429-6025: 4820-00-087-7470, 9390-00-298-3395, 6250-00-299-4733 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40000030?

Key specifications for 40000030: Special Features: EXTERIOR CONTAINER WEIGHT: 18 POUNDS; EXTERIOR CONTAINER CUBIC MEASURE: 3 CUBIC FEET; EXTERIOR CONTAINER QUANTITY: 48; INTERMEDIATE PACKAGE QUANTITY: 1; UNIT OF ISSUE CUBE: 0.035 CUBIC FEET; UNIT OF ISSUE WEIGHT: 0.44 POUNDS; DUAL RANGE; DIA:0.0008MM; LG: 28.6MM;REPLACEMENT FILAMENT FOR INDICATOR, 6665-00-542-1442;UNIT PACKAGE QUANTITY: 2 LBS; Material: PLATINUM; Overall Length: 1.125 INCHES NOMINAL IN; Overall Diameter: 0.0003 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6665-00-429-6025 still in active supply?

NSN 6665-00-429-6025 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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