The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-583-4398, 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 Weksler Instruments. Government technical data includes 16 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 | 6685-01-583-4398 |
| Primary Part Number | BY12YPY4CW |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Weksler Instruments |
| Status | ACTIVE |
| Scale Accuracy | 3-2-3% |
| Scale Name | PRESSURE AND KILOPASCALS |
| Actuation Type | PRESSURE SENSING ELEMENT |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 2000.0 POUNDS PER SQUARE INCH AND +0.0 TO 140.0 BAR LBS |
| Material Document and Classification | 304 ASSN STD SINGLE MATERIAL RESPONSE CASE |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 2-1/2 IN RD IN |
| Connection Location | BACK |
| Pointer Color | BLACK |
| Material | BRONZE ACTUATING ELEMENT |
| Material | STEEL COMP 304 CASE |
| Material | PLASTIC PROTECTIVE CRYSTAL |
| Connection Quantity | 1 |
| Connection Size | 0.250 IN NPT IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| BY12YPY4CW PRIMARY | Weksler Instruments (USA) |
NSN 6685-01-583-4398 is a Gage,pressure,dial Indicating, manufactured by Weksler Instruments, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-583-4398 has 1 manufacturer part number on file: BY12YPY4CW (Weksler Instruments).
Key specifications for BY12YPY4CW: Scale Accuracy: 3-2-3%; Scale Name: PRESSURE AND KILOPASCALS; Actuation Type: PRESSURE SENSING ELEMENT; Connection Type: EXTERNAL. 16 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.
NSN 6685-01-583-4398 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.