The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-538-3871, 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 Yaro Supply Co. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-538-3871 |
| Primary Part Number | WD3203A01 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Yaro Supply Co |
| Status | ACTIVE |
| Scale Name | OIL PRESSURE |
| Overall Diameter | 2.000 INCHES NOMINAL IN |
| Pointer Type | INDICATING |
| Scale Type | ARC |
| Dial Size | 2.0 IN IN |
| Functional Description | TRIPPING ALARMS OR SHUTDOWN DEVICES |
| Material | STEEL 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 |
|---|---|
| WD3203A01 | Yaro Supply Co (USA) |
| 520.02030 | Federal Prison Industries, Inc Dba Unicor Div Electronics (USA) |
| 20P-100 | Abby Services Inc (USA) |
| Reference | Meaning |
|---|---|
| WD3203A01 | 5/9 Secondary reference Abby Services Inc |
| WD3203A01 | 3/9 Design control — primary reference Baldor Electric Company Dba Baldor Generator Div Baldor Generators |
NSN 6685-01-538-3871 is a Gage,pressure,dial Indicating, manufactured by Yaro Supply Co, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-538-3871 has 3 manufacturer part numbers on file: WD3203A01 (Yaro Supply Co), 520.02030 (Federal Prison Industries, Inc Dba Unicor Div Electronics), 20P-100 (Abby Services Inc).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-647-1180. Verify interchangeability with system specifications before substitution.
Key specifications for WD3203A01: Scale Name: OIL PRESSURE; Overall Diameter: 2.000 INCHES NOMINAL IN; Pointer Type: INDICATING; Scale Type: ARC. 7 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.