The Tester,pressure Gage, cataloged under National Stock Number 6685-00-641-3500, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-641-3500 |
| Item Name | Tester,pressure Gage |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Portability | PORTABLE |
| Test Range | +5.0 TO 300.0 POUNDS PER SQUARE INCH LBS |
| Scale Calibration Method | DEAD WEIGHT |
| Leveling Screw | NOT PROVIDED |
| Accessory Components and Quantity | AS PER SPEC BELOW |
| Carrying Case | PROVIDED |
| Mounting Type | BENCH |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MILT2764B | 4/1 Identification reference U.S. Government activity |
| MILT2764 | 4/1 Identification reference U.S. Government activity |
NSN 6685-00-641-3500 is a Tester,pressure Gage, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 1730-00-819-6102, 6685-01-281-5495. Verify interchangeability with system specifications before substitution.
Key specifications for 6685-00-641-3500: Portability: PORTABLE; Test Range: +5.0 TO 300.0 POUNDS PER SQUARE INCH LBS; Scale Calibration Method: DEAD WEIGHT; Leveling Screw: NOT PROVIDED. 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.