The Indicator,air Speed, cataloged under National Stock Number 6610-01-165-2103, is classified within Federal Supply Class 6610 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Kearflex Engineering Company. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6610-01-165-2103 |
| Primary Part Number | 2172-2 |
| Item Name | Indicator,air Speed |
| FSC / FSG | 6610 / 66 — No Item Name Available |
| Manufacturer | Kearflex Engineering Company |
| Status | ACTIVE |
| Usage Design | AIR SPEED |
| Mechanical Connection Size | 0.5625-18UNJF-3B |
| Mounting Bolt Circle Diameter | 3.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7-211C10009 | Mcdonnell Douglas Helicopter Co Inc (USA) |
| 7-211C10009 | Us Army Aviation and Missile Command (USA) |
| 2172-2 PRIMARY | Kearflex Engineering Company (USA) |
| 7-211C10009 | The Boeing Company (USA) |
| 20025-21301 | Aerosonic Llc (USA) |
NSN 6610-01-165-2103 is a Indicator,air Speed, manufactured by Kearflex Engineering Company, classified under FSC 6610 (No Item Name Available). Status: active.
NSN 6610-01-165-2103 has 5 cross-referenced part numbers: 7-211C10009 (Mcdonnell Douglas Helicopter Co Inc), 7-211C10009 (Us Army Aviation and Missile Command), 2172-2 (Kearflex Engineering Company), 7-211C10009 (The Boeing Company), 20025-21301 (Aerosonic Llc).
There are 10 known substitutes for 6610-01-165-2103: 5331-00-297-6045, 2040-00-841-8822, 5998-01-131-7379 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2172-2: Usage Design: AIR SPEED; End Item Identification: 1520-01-106-9519; Mechanical Connection Size: 0.5625-18UNJF-3B; Mounting Bolt Circle Diameter: 3.500 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.