The Indicator,vertical Velocity, cataloged under National Stock Number 6610-01-545-5199, is classified within Federal Supply Class 6610 (Flight Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Barfield Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6610-01-545-5199 |
| Primary Part Number | 337-00001 |
| Item Name | Indicator,vertical Velocity |
| FSC / FSG | 6610 / 66 — Flight Instruments |
| Manufacturer | Barfield Inc |
| Status | ACTIVE |
| Usage Design | VERTICAL SPEED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 337-00001 PRIMARY | Barfield Inc (USA) |
NSN 6610-01-545-5199 is a Indicator,vertical Velocity, manufactured by Barfield Inc, classified under FSC 6610, Flight Instruments. Status: active.
NSN 6610-01-545-5199 has 1 manufacturer part number on file: 337-00001 (Barfield Inc).
Key specifications for 337-00001: Usage Design: VERTICAL SPEED; Special Features: RATE 2000 FT PER MIN; MASTER VERTICAL SPEED INDICATOR FT; End Item Identification: USED ON AS532-U2 COUGAR FRENCH EUROCOPTER BARFIELD 1811G/H PITOT STATIC TEST SET PANEL ASSY G. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.