The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-272-4749, 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 Lake Shore Systems, Inc.. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-272-4749 |
| Primary Part Number | 2A1-1821-2 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Scale Accuracy | PORM 1/2 PCT FULL SCALE |
| Scale Name | PRESSURE |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 400.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Pointer Type | INDICATING |
| Dial Size | 4-1/2 IN. DIA IN |
| Connection Location | BACK, LOWER |
| Pointer Color | BLACK |
| Material | STEEL CORROSION RESISTING CASE |
| Material | STEEL CORROSION RESISTING ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Connection Size | 0 250.IN. NPT DIA IN |
| 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 |
|---|---|
| 2A1-1821-2 PRIMARY | Lake Shore Systems, Inc. (USA) |
NSN 6685-01-272-4749 is a Gage,pressure,dial Indicating, manufactured by Lake Shore Systems, Inc., classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-272-4749 has 1 manufacturer part number on file: 2A1-1821-2 (Lake Shore Systems, Inc.).
Key specifications for 2A1-1821-2: Scale Accuracy: PORM 1/2 PCT FULL SCALE; Scale Name: PRESSURE; Connection Type: EXTERNAL; Scale Range: +0.0 TO 400.0 POUNDS PRESSURE PER SQUARE INCH LBS. 12 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.