The Indicator,temperature,synchro, cataloged under National Stock Number 6685-01-677-6035, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is General Dynamics Ordnance and Tactical Systems, Inc.. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-677-6035 |
| Primary Part Number | SPAL4001220 |
| Item Name | Indicator,temperature,synchro |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | General Dynamics Ordnance and Tactical Systems, Inc. |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 PANEL |
| Length | 64.0 MILLIMETERS NOMINAL MM |
| Scale Range | +50.0 TO 130.0 DEG CELSIUS SINGLE INDICATOR SINGLE SCALE |
| Diameter | 70.0 MILLIMETERS NOMINAL MM |
| Pointer Type | INDICATING SINGLE POINTER |
| Presentation Type | DIAL |
| Color | BLACK BACKGROUND OVERALL |
| Material | PLASTIC CASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SPAL4001220 PRIMARY | General Dynamics Ordnance and Tactical Systems, Inc. (USA) |
| SPAL4001220 | Flyer Defense, Llc (USA) |
NSN 6685-01-677-6035 is a Indicator,temperature,synchro, manufactured by General Dynamics Ordnance and Tactical Systems, Inc., classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-677-6035 has 2 manufacturer part numbers on file: SPAL4001220 (General Dynamics Ordnance and Tactical Systems, Inc.), SPAL4001220 (Flyer Defense, Llc).
Key specifications for SPAL4001220: Mounting Facility Type and Quantity: 1 PANEL; Length: 64.0 MILLIMETERS NOMINAL MM; Scale Range: +50.0 TO 130.0 DEG CELSIUS SINGLE INDICATOR SINGLE SCALE; Diameter: 70.0 MILLIMETERS NOMINAL MM. 8 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.