PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

98-2291Cloud Height Indicator Set

Vaisala Inc. · NSN 6660-01-248-6444 · FSC 6660 · No Item Name Available
Verified by PartsTable
NSN 6660-01-248-6444 — this item is cataloged by the U.S. Government under National Stock Number 6660-01-248-6444. Primary manufacturer part number: 98-2291.
Features
  • Cloud Height Indicator Set — FSC 6660
  • Component Quantity: 10
  • Supplementary Features: INTERNAL SAMPLING RATE OF 10 MHZ ACHIEVE 50 FEET RESOLUTION;DESIGNED AS A CLASS ONE LASER PRODUCT TO COMPLY WITH UNITED STATES REG.FDA 2-1CFR1040;SOLAR SHUTTER NOT INCLUDED,MUST BE ORDERED SEPARATELY IF REQUIRED MHz
  • Supply Items and Quantities: WINDOW CONDITIONER,LIGHT MONITOR,RECEIVER,LASER TRANSMITTER,PROCESSOR,CHART RECORDER OUTPUT,FSK MODEM,POWER SUPPLY,MAINTENANCE TERMINAL
  • Usage Design: MEASURE CLOUD BASE HEIGHT UP TO 12,000 FEET FT
  • 3 verified cross-references
  • Primary manufacturer: Vaisala Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Cloud Height Indicator Set, cataloged under National Stock Number 6660-01-248-6444, is classified within Federal Supply Class 6660 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Vaisala 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6660-01-248-6444
Primary Part Number98-2291
Item NameCloud Height Indicator Set
FSC / FSG6660 / 66 — No Item Name Available
ManufacturerVaisala Inc.
StatusACTIVE
Component Quantity10
Supplementary FeaturesINTERNAL SAMPLING RATE OF 10 MHZ ACHIEVE 50 FEET RESOLUTION;DESIGNED AS A CLASS ONE LASER PRODUCT TO COMPLY WITH UNITED STATES REG.FDA 2-1CFR1040;SOLAR SHUTTER NOT INCLUDED,MUST BE ORDERED SEPARATELY IF REQUIRED MHz
Supply Items and QuantitiesWINDOW CONDITIONER,LIGHT MONITOR,RECEIVER,LASER TRANSMITTER,PROCESSOR,CHART RECORDER OUTPUT,FSK MODEM,POWER SUPPLY,MAINTENANCE TERMINAL
Usage DesignMEASURE CLOUD BASE HEIGHT UP TO 12,000 FEET FT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6140-01-158-431572200 INTERCHANGEABLE
Battery,storage
Welch Allyn, Inc.
Cross-Reference Index
Part NumberManufacturer
CT12K Vaisala Inc. Dba Avi Division (USA)
98-2291 Vaisala Inc. Dba Avi Division (USA)
98-2291 PRIMARY Vaisala Inc. (USA)
Related Parts
6140-01-158-4315INTERCHANGEABLE
BATTERY,STORAGE
72200

Frequently Asked Questions

What is NSN 6660-01-248-6444?

NSN 6660-01-248-6444 is a Cloud Height Indicator Set, manufactured by Vaisala Inc., classified under FSC 6660 (No Item Name Available). Status: active.

What are the part numbers for NSN 6660-01-248-6444?

NSN 6660-01-248-6444 has 3 cross-referenced part numbers: CT12K (Vaisala Inc. Dba Avi Division), 98-2291 (Vaisala Inc. Dba Avi Division), 98-2291 (Vaisala Inc.).

What NSN replaces 6660-01-248-6444?

There is 1 known substitute for 6660-01-248-6444: 6140-01-158-4315. Verify interchangeability with system specifications before substitution.

What are the specifications of 98-2291?

Key specifications for 98-2291: Component Quantity: 10; Supplementary Features: INTERNAL SAMPLING RATE OF 10 MHZ ACHIEVE 50 FEET RESOLUTION;DESIGNED AS A CLASS ONE LASER PRODUCT TO COMPLY WITH UNITED STATES REG.FDA 2-1CFR1040;SOLAR SHUTTER NOT INCLUDED,MUST BE ORDERED SEPARATELY IF REQUIRED MHz; Supply Items and Quantities: WINDOW CONDITIONER,LIGHT MONITOR,RECEIVER,LASER TRANSMITTER,PROCESSOR,CHART RECORDER OUTPUT,FSK MODEM,POWER SUPPLY,MAINTENANCE TERMINAL; Usage Design: MEASURE CLOUD BASE HEIGHT UP TO 12,000 FEET FT. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com