The Case,dial Indicating Pressure Ga, cataloged under National Stock Number 6685-01-533-0789, 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 Swiss Precision Instrument Co P O Box 3135 Garden Grove Ca 92842. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-533-0789 |
| Primary Part Number | 31-021-9 |
| Item Name | Case,dial Indicating Pressure Ga |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Swiss Precision Instrument Co P O Box 3135 Garden Grove Ca 92842 |
| Status | ACTIVE |
| Overall Diameter | 1.500 INCHES NOMINAL IN |
| Material | GLASS COVERING |
| 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 |
|---|---|
| 31-021-9 PRIMARY | Swiss Precision Instrument Co P O Box 3135 Garden Grove Ca 92842 (USA) |
| Reference | Meaning |
|---|---|
| G0027800 | 5/9 Secondary reference Leonardo Uk Ltd |
NSN 6685-01-533-0789 is a Case,dial Indicating Pressure Ga, manufactured by Swiss Precision Instrument Co P O Box 3135 Garden Grove Ca 92842, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-533-0789 has 1 manufacturer part number on file: 31-021-9 (Swiss Precision Instrument Co P O Box 3135 Garden Grove Ca 92842).
Key specifications for 31-021-9: Overall Diameter: 1.500 INCHES NOMINAL IN; Special Features: ROUND FEELER TIP; 10-100 GRAM RANGE; 2 GRAM GRADUATION; 1-1/4 IN. FEELER LENGTH G; Material: GLASS COVERING. 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.