PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2164Case Assembly

Aerosonic Llc · NSN 6685-00-986-2123 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-986-2123 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-986-2123. Primary manufacturer part number: 2164.
Features
  • Case Assembly — FSC 6685
  • FSC Application Data: PART NO. CP1AAU3A12,ALTIMETER,PRESSURIZED,FSN 6685-226-5700
  • 2 verified cross-references
  • Primary manufacturer: Aerosonic Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Case Assembly, cataloged under National Stock Number 6685-00-986-2123, 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 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: Active.

Technical Specifications
ParameterValue
NSN6685-00-986-2123
Primary Part Number2164
Item NameCase Assembly
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAerosonic Llc
StatusACTIVE
FSC Application DataPART NO. CP1AAU3A12,ALTIMETER,PRESSURIZED,FSN 6685-226-5700
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5920-00-089-4130 INTERCHANGEABLE
Fuseholder,extractor Post
5935-00-229-56122164 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Cinch Connectivity Solutions Inc.
5120-00-256-0651216-4 INTERCHANGEABLE
Punch and Die,grommet Inserting
C. S. Osborne and Company Dba Cs Osborne & Co
6145-00-284-0866 INTERCHANGEABLE
Braid,wire
4820-00-287-4606 INTERCHANGEABLE
Valve,angle
5310-00-350-40552-164 INTERCHANGEABLE
Nut,plain,hexagon
Unison Industries Llc
4820-00-406-2329A2164 INTERCHANGEABLE
Valve,safety Relief
Curtiss-Wright Flow Control Corporation Dba Enertech Div Curtiss-Wright Flow Control
5331-00-449-24712-164 C1124-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5120-00-596-1183 INTERCHANGEABLE
Screwdriver,flat Tip
5950-00-615-4525RD24298-1 INTERCHANGEABLE
Transformer,power
Raytheon Company
Cross-Reference Index
Part NumberManufacturer
2164 PRIMARY Aerosonic Llc (USA)
A2164 Aerosonic Llc (USA)
Related Parts
5920-00-089-4130INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
5935-00-229-5612INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
2164
5120-00-256-0651INTERCHANGEABLE
PUNCH AND DIE,GROMMET INSERTING
216-4
6145-00-284-0866INTERCHANGEABLE
BRAID,WIRE
4820-00-287-4606INTERCHANGEABLE
VALVE,ANGLE
5310-00-350-4055INTERCHANGEABLE
NUT,PLAIN,HEXAGON
2-164
4820-00-406-2329INTERCHANGEABLE
VALVE,SAFETY RELIEF
A2164
5331-00-449-2471INTERCHANGEABLE
O-RING
2-164 C1124-70
5120-00-596-1183INTERCHANGEABLE
SCREWDRIVER,FLAT TIP
5950-00-615-4525INTERCHANGEABLE
TRANSFORMER,POWER
RD24298-1
5310-00-634-9120INTERCHANGEABLE
WASHER,FLAT
2164
1680-00-737-9390INTERCHANGEABLE
LEVER,SWIVEL CONTRO
2164

Frequently Asked Questions

What is NSN 6685-00-986-2123?

NSN 6685-00-986-2123 is a Case Assembly, manufactured by Aerosonic Llc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-986-2123?

NSN 6685-00-986-2123 has 2 cross-referenced part numbers: 2164 (Aerosonic Llc), A2164 (Aerosonic Llc).

What NSN replaces 6685-00-986-2123?

There are 12 known substitutes for 6685-00-986-2123: 5920-00-089-4130, 5935-00-229-5612, 5120-00-256-0651 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2164?

Key specifications for 2164: FSC Application Data: PART NO. CP1AAU3A12,ALTIMETER,PRESSURIZED,FSN 6685-226-5700. 1 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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