The Gage,pressure,dial Indicating, cataloged under National Stock Number 6620-01-668-2164, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Stewarts Usa Llc Dba Stewarts Usa Llc. Government technical data includes 21 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6620-01-668-2164 |
| Primary Part Number | 40SV-3K-R-MPP |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Manufacturer | Stewarts Usa Llc Dba Stewarts Usa Llc |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Scale Accuracy | 0.5 PERCENT |
| Scale Name | AIR PRESSURE AND LIQUID |
| Overall Diameter | 5.200 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Mounting Connection Location | BACK |
| Mounting Method | FLANGE |
| Connection Type | NIPPLE |
| Scale Range | +0.0 TO 3000.0 POUNDS PER SQUARE INCH LBS |
| Mounting Hole Diameter | 0.24 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Adjustability | NONADJUSTABLE |
| Scale Type | INCLOSED METAL AND CIRCULAR |
| Connector Type Vent | PROVIDED |
| Dial Size | 5.20 INCHES IN |
| Connection Location | BOTTOM |
| Pointer Color | BLACK |
| Material | STEEL CORROSION RESISTING CASE |
| Material | STEEL CORROSION RESISTING ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Connection Size | 0.25NPT |
| 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 |
|---|---|
| 40SV-3K-R-MPP PRIMARY | Stewarts Usa Llc Dba Stewarts Usa Llc (USA) |
| Reference | Meaning |
|---|---|
| 40SV-XXX-R-MPP | D/9 Drawing number reference only Stewarts Usa Llc Dba Stewarts Usa Llc |
NSN 6620-01-668-2164 is a Gage,pressure,dial Indicating, manufactured by Stewarts Usa Llc Dba Stewarts Usa Llc, classified under FSC 6620, Engine Instruments. Status: active.
NSN 6620-01-668-2164 has 1 manufacturer part number on file: 40SV-3K-R-MPP (Stewarts Usa Llc Dba Stewarts Usa Llc).
Key specifications for 40SV-3K-R-MPP: Mounting Hole Quantity: 3; Scale Accuracy: 0.5 PERCENT; Scale Name: AIR PRESSURE AND LIQUID; Overall Diameter: 5.200 INCHES NOMINAL IN. 21 specifications are 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.