PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16955-2Speed Mechanism

Belfort Instrument Company · NSN 6680-01-120-0940 · FSC 6680 · No Item Name Available
Verified by PartsTable
NSN 6680-01-120-0940 — this item is cataloged by the U.S. Government under National Stock Number 6680-01-120-0940. Primary manufacturer part number: 16955-2.
Features
  • Speed Mechanism — FSC 6680
  • General Characteristics Item Description: USED WITH ANEMOMETER PART NO 5-122HD
  • 1 verified cross-reference
  • Primary manufacturer: Belfort Instrument Company
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Speed Mechanism, cataloged under National Stock Number 6680-01-120-0940, is classified within Federal Supply Class 6680 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Belfort Instrument Company. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6680-01-120-0940
Primary Part Number16955-2
Item NameSpeed Mechanism
FSC / FSG6680 / 66 — No Item Name Available
ManufacturerBelfort Instrument Company
StatusACTIVE
General Characteristics Item DescriptionUSED WITH ANEMOMETER PART NO 5-122HD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-00-016-9552169552 INTERCHANGEABLE
Screw,tapping
General Motors Llc Dba General Motors Llc
5940-00-204-9421M-291-2-353 INTERCHANGEABLE
Terminal Board
Lta/d-Cemco Inc Dba D-Cemco
Cross-Reference Index
Part NumberManufacturer
16955-2 PRIMARY Belfort Instrument Company (USA)
Related Parts
5305-00-016-9552INTERCHANGEABLE
SCREW,TAPPING
169552
5940-00-204-9421INTERCHANGEABLE
TERMINAL BOARD
M-291-2-353

Frequently Asked Questions

What is NSN 6680-01-120-0940?

NSN 6680-01-120-0940 is a Speed Mechanism, manufactured by Belfort Instrument Company, classified under FSC 6680 (No Item Name Available). Status: active.

What are the part numbers for NSN 6680-01-120-0940?

NSN 6680-01-120-0940 has 1 cross-referenced part number: 16955-2 (Belfort Instrument Company).

What NSN replaces 6680-01-120-0940?

There are 2 known substitutes for 6680-01-120-0940: 5305-00-016-9552, 5940-00-204-9421. Verify interchangeability with system specifications before substitution.

What are the specifications of 16955-2?

Key specifications for 16955-2: End Item Identification: LOW LEVEL WIND SHEAR ALERT SYSTEM; General Characteristics Item Description: USED WITH ANEMOMETER PART NO 5-122HD. 2 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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