The Gage,differential,dial Indicatin, cataloged under National Stock Number 6685-01-658-2363, 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 Orange Research Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-658-2363 |
| Primary Part Number | 1533DGS-1A-4.5F-C 200 PSI |
| Item Name | Gage,differential,dial Indicatin |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Orange Research Inc |
| Status | ACTIVE |
| Surface Treatment | ANODIZE LOCATION NOT OTHERWISE SPECIFIED |
| Material | ALUMINUM LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| 1533DGS-1A-4.5F-C 200 PSI PRIMARY | Orange Research Inc (USA) |
| Reference | Meaning |
|---|---|
| 1533-E1008 | C/1 Advisory reference — outside the item-of-supply concept Orange Research Inc |
NSN 6685-01-658-2363 is a Gage,differential,dial Indicatin, manufactured by Orange Research Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-658-2363 has 1 manufacturer part number on file: 1533DGS-1A-4.5F-C 200 PSI (Orange Research Inc).
Key specifications for 1533DGS-1A-4.5F-C 200 PSI: Surface Treatment: ANODIZE LOCATION NOT OTHERWISE SPECIFIED; Part Name Assigned by Controlling Agency: DIFFERENTIAL GAUGE; End Item Identification: DIFFERENTIAL GAUGE BOARD ASSEMBLY-SEA WATER W/ SWITCH; Material: ALUMINUM LOCATION NOT OTHERWISE SPECIFIED. 2 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.