The Indicator,pressure, cataloged under National Stock Number 6685-01-370-2575, 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 Ashcroft Inc Dba Heise. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-370-2575 |
| Primary Part Number | 901B HEISE SERIES 9 |
| Item Name | Indicator,pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Length | 8.700 INCHES NOMINAL IN |
| Accuracy Rating | 0.035 PERCENT SINGLE INDICATOR SINGLE SCALE |
| Scale Range | +20.0 TO 35.0 INCHES SINGLE INDICATOR SINGLE SCALE IN |
| Height | 2.900 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 901B HEISE SERIES 9 PRIMARY | Ashcroft Inc Dba Heise (USA) |
| 901B HEISE 20/35 IN HG | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| 6685PL0878276 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 6685-01-370-2575 is a Indicator,pressure, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-370-2575 has 2 manufacturer part numbers on file: 901B HEISE SERIES 9 (Ashcroft Inc Dba Heise), 901B HEISE 20/35 IN HG (Ashcroft Inc Dba Heise).
Key specifications for 901B HEISE SERIES 9: Length: 8.700 INCHES NOMINAL IN; Accuracy Rating: 0.035 PERCENT SINGLE INDICATOR SINGLE SCALE; Scale Range: +20.0 TO 35.0 INCHES SINGLE INDICATOR SINGLE SCALE IN; Height: 2.900 INCHES NOMINAL IN. 4 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 6685-01-370-2575 has DEMIL Code Q. 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.