PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SA2157Plate,altimeter

Aerosonic Llc · NSN 6685-00-243-7143 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-243-7143 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-243-7143. Primary manufacturer part number: SA2157.
Features
  • Plate,altimeter — FSC 6685
  • General Characteristics Item Description: 2 M-1784; 2 M-1771; 1 M-2158; 1 P-1204
  • 1 verified cross-reference
  • Primary manufacturer: Aerosonic Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Plate,altimeter, cataloged under National Stock Number 6685-00-243-7143, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Aerosonic Llc. 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-243-7143
Primary Part NumberSA2157
Item NamePlate,altimeter
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAerosonic Llc
StatusACTIVE
General Characteristics Item Description2 M-1784; 2 M-1771; 1 M-2158; 1 P-1204
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-00-127-2283905154-1 INTERCHANGEABLE
Semiconductor Devices,unitized
General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems
Cross-Reference Index
Part NumberManufacturer
SA2157 PRIMARY Aerosonic Llc (USA)
Related Parts
5961-00-127-2283INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
905154-1

Frequently Asked Questions

What is NSN 6685-00-243-7143?

NSN 6685-00-243-7143 is a Plate,altimeter, manufactured by Aerosonic Llc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-243-7143?

NSN 6685-00-243-7143 has 1 cross-referenced part number: SA2157 (Aerosonic Llc).

What NSN replaces 6685-00-243-7143?

There is 1 known substitute for 6685-00-243-7143: 5961-00-127-2283. Verify interchangeability with system specifications before substitution.

What are the specifications of SA2157?

Key specifications for SA2157: End Item Identification: 6685-00-578-5583; General Characteristics Item Description: 2 M-1784; 2 M-1771; 1 M-2158; 1 P-1204. 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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