The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-016-2340, 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 30 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government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 | 6685-00-016-2340 |
| Primary Part Number | 35-1246P033LXWD13 |
| 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 |
| Mounting Hole Quantity | 3 |
| FSC Application Data | GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE |
| Scale Accuracy | 1 PERCENT ENTIRE RANGE |
| Scale Name | PRESSURE |
| Overall Diameter | 4.750 INCHES NOMINAL IN |
| Actuation Type | SINGLE BOURDON TUBE |
| Mounting Method | SURFACE WALL |
| Scale Inscription/background Color | BLACK FIGURES ON WHITE BACKGROUND |
| Scale Smallest Increment | 2.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Criticality Code Justification | ZZZW |
| Scale Range | +0.000 TO 160.000 POUNDS PRESSURE PER SQUARE INCH LBS |
| Material Document and Classification | MIL-P-5425, FINISH A MIL SPEC SINGLE MATERIAL RESPONSE PROTECTIVE CRYSTAL |
| Mounting Hole Diameter | 0.219 INCHES NOMINAL IN |
| Pointer Type | INDICATING AND REFERENCE |
| Adjustability | ADJUSTABLE |
| Departure From Cited Document | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Scale Type | SINGLE |
| Connector Type Vent | NOT PROVIDED |
| Nondefinitive Spec/std Data | 1 TYPE AND 2 COMPOSITION |
| Dial Size | 3-1/2 IN. DIA IN |
| Graduation Unit | 20.0 POUNDS PER SQUARE INCH LBS |
| Bolt Circle Diameter | 4.250 INCHES NOMINAL IN |
| Connection Location | BOTTOM |
| Color | GRAY/GREY CASE |
| Pointer Color | BLACK AND RED |
| Surface Treatment | ENAMEL CASE |
| Unable to Decode | UNABLE TO DECODE |
| Material | PLASTIC ACRYLIC PROTECTIVE CRYSTAL |
| Material | NICKEL ALLOY ACTUATING ELEMENT |
| Material | ALUMINUM CASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 35-1246P033LXWD13 PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| MILG18997B | 4/1 Identification reference U.S. Government activity |
NSN 6685-00-016-2340 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 6685-00-016-2340 has 1 manufacturer part number on file: 35-1246P033LXWD13 (Ashcroft Inc Dba Heise).
11 possible matches (shared part number, not a government interchangeability claim): 6685-00-127-6198, 6685-00-248-1656, 6685-00-248-1691. Verify interchangeability with system specifications before substitution.
Key specifications for 35-1246P033LXWD13: Mounting Hole Quantity: 3; FSC Application Data: GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE; Scale Accuracy: 1 PERCENT ENTIRE RANGE; Scale Name: PRESSURE. 30 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.