PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

F63Calibration Kit,gas Indicators a

Mine Safety Appliances Company · NSN 6665-00-735-7309 · FSC 6665 · No Item Name Available
Verified by PartsTable
NSN 6665-00-735-7309 — this item is cataloged by the U.S. Government under National Stock Number 6665-00-735-7309. Primary manufacturer part number: F63.
Features
  • Calibration Kit,gas Indicators a — FSC 6665
  • Functional Description: CHECKS THE ACCURACY OF COMBUSTIBLE GAS INDICATOR
  • 3 verified cross-references
  • Primary manufacturer: Mine Safety Appliances Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Calibration Kit,gas Indicators a, cataloged under National Stock Number 6665-00-735-7309, is classified within Federal Supply Class 6665 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Mine Safety Appliances Company. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6665-00-735-7309
Primary Part NumberF63
Item NameCalibration Kit,gas Indicators a
FSC / FSG6665 / 66 — No Item Name Available
ManufacturerMine Safety Appliances Company
StatusACTIVE
Functional DescriptionCHECKS THE ACCURACY OF COMBUSTIBLE GAS INDICATOR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2805-00-339-5598F63 INTERCHANGEABLE
Tappet,engine Poppet Valve
Wisconsin Motors, Llc
3540-00-360-0151 INTERCHANGEABLE
Stapler,box
5950-00-519-4338 INTERCHANGEABLE
Transformer,power
5999-00-553-3857 INTERCHANGEABLE
Heater,thermal Release
3010-01-011-3504F63 INTERCHANGEABLE
Actuator,electromechanical,rotar
Mpc Products Corporation Dba Woodward Mpc, Inc.
5840-01-048-149073860 INTERCHANGEABLE
Bracket Assembly,ri
L3harris Technologies, Inc Div Space & Airborne Systems
4820-01-199-787574184-1 INTERCHANGEABLE
Valve,butterfly
Sarco Inc
6130-01-225-9946F6-3 INTERCHANGEABLE
Power Supply
Eldec Aerospace Corp
Cross-Reference Index
Part NumberManufacturer
F63 PRIMARY Mine Safety Appliances Company (USA)
08-73860 Mine Safety Appliances Company (USA)
73860 Mine Safety Appliances Company (USA)
Related Parts
2805-00-339-5598INTERCHANGEABLE
TAPPET,ENGINE POPPET VALVE
F63
3540-00-360-0151INTERCHANGEABLE
STAPLER,BOX
5950-00-519-4338INTERCHANGEABLE
TRANSFORMER,POWER
5999-00-553-3857INTERCHANGEABLE
HEATER,THERMAL RELEASE
3010-01-011-3504INTERCHANGEABLE
ACTUATOR,ELECTROMECHANICAL,ROTAR
F63
5840-01-048-1490INTERCHANGEABLE
BRACKET ASSEMBLY,RI
73860
4820-01-199-7875INTERCHANGEABLE
VALVE,BUTTERFLY
74184-1
6130-01-225-9946INTERCHANGEABLE
POWER SUPPLY
F6-3

Frequently Asked Questions

What is NSN 6665-00-735-7309?

NSN 6665-00-735-7309 is a Calibration Kit,gas Indicators a, manufactured by Mine Safety Appliances Company, classified under FSC 6665 (No Item Name Available). Status: active.

What are the part numbers for NSN 6665-00-735-7309?

NSN 6665-00-735-7309 has 3 cross-referenced part numbers: F63 (Mine Safety Appliances Company), 08-73860 (Mine Safety Appliances Company), 73860 (Mine Safety Appliances Company).

What NSN replaces 6665-00-735-7309?

There are 8 known substitutes for 6665-00-735-7309: 2805-00-339-5598, 3540-00-360-0151, 5950-00-519-4338 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of F63?

Key specifications for F63: Part Name Assigned by Controlling Agency: FIELD CALIBRATION UNIT; Special Features: USES CONVENIENT MINATURE CARTRIDGES OF ISO-BUTANE TOGETHER WITH INTEGRATED COMPONENTS TO PREPARE AN ACCURATE TEST SAMPLE; THE DIFFERENCE BETWEEN THE OBSERVED READING AND THE KNOWN VALUE IS THE ERROR OF THE MEASURING INSTRUMENT; Functional Description: CHECKS THE ACCURACY OF COMBUSTIBLE GAS INDICATOR. 3 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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