The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-238-7533, 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 9 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 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 | 6685-01-238-7533 |
| Primary Part Number | 21/2.1009.SW.02B.XUC.XTS |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Scale Name | HYDRAULIC PRESSURE |
| Actuation Type | BOURDON TUBE |
| Scale Smallest Increment | 5.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Scale Range | +1200.0 TO 5000.0 POUNDS PRESSURE PER SQUARE INCH LBS |
| Scale Type | DIAL |
| Connector Type Vent | PROVIDED |
| Graduation Unit | 10.0 POUNDS PER SQUARE INCH LBS |
| Pointer Color | BLACK |
| Material | STEEL ACTUATING ELEMENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 21/2.1009.SW.02B.XUC.XTS PRIMARY | Ashcroft Inc Dba Heise (USA) |
NSN 6685-01-238-7533 is a Gage,pressure,dial Indicating, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-238-7533 has 1 manufacturer part number on file: 21/2.1009.SW.02B.XUC.XTS (Ashcroft Inc Dba Heise).
1 possible match (shared part number, not a government interchangeability claim): 6685-01-325-4217. Verify interchangeability with system specifications before substitution.
Key specifications for 21/2.1009.SW.02B.XUC.XTS: Scale Name: HYDRAULIC PRESSURE; Actuation Type: BOURDON TUBE; Scale Smallest Increment: 5.0 POUNDS PER SQUARE INCH (PSI) LBS; Scale Range: +1200.0 TO 5000.0 POUNDS PRESSURE PER SQUARE INCH LBS. 9 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 6685-01-238-7533 has DEMIL Code B. 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.