The Indicator,pressure, cataloged under National Stock Number 6620-01-656-7221, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Indicator,pressure |
| FSC / FSG | 6620 — Engine Instruments (FSG 66) |
| Manufacturers | Caterpillar Inc Div Caterpillar Defense (CAGE 11083); Finning (uk) Ltd (CAGE U8468) |
| Parameter | Value |
|---|---|
| NSN | 6620-01-656-7221 |
| Primary Part Number | 212-3423 |
| Item Name | Indicator,pressure |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
NSN 6620-01-656-7221 is a Indicator,pressure, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 6620, Engine Instruments. Status: active.
NSN 6620-01-656-7221 has 2 manufacturer part numbers on file: 212-3423 (Caterpillar Inc Div Caterpillar Defense), 2123423 (Finning (uk) Ltd).
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.