The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-607-8064, 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 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 6685-01-607-8064 |
| Primary Part Number | EA243PEFRWBO |
| 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 Accuracy | +/-1% |
| Scale Name | PRESSURE |
| Scale Inscription/background Color | WHITE BACK GROUND/BLACK NUMERALS |
| Scale Smallest Increment | 1.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Scale Range | +0.0 TO 60.0 POUNDS PER SQUARE INCH LBS |
| Pointer Type | INDICATING |
| Scale Type | DIAL AND ENCLOSED GLASS |
| Dial Size | 4 1/2 |
| Graduation Unit | 1.0 POUNDS PER SQUARE INCH LBS |
| Pointer Color | RED |
| 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 |
|---|---|
| EA243PEFRWBO PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| EA24-3PEF-RBBO | 5/9 Secondary reference Ashcroft Inc Dba Heise |
| 03950 | 5/9 Secondary reference U.S. Government activity |
NSN 6685-01-607-8064 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 6685-01-607-8064 has 1 manufacturer part number on file: EA243PEFRWBO (Ashcroft Inc Dba Heise).
3 possible matches (shared part number, not a government interchangeability claim): 5935-01-612-2047, 5305-01-614-0313, 4720-01-614-6756. Verify interchangeability with system specifications before substitution.
Key specifications for EA243PEFRWBO: Scale Accuracy: +/-1%; Scale Name: PRESSURE; Scale Inscription/background Color: WHITE BACK GROUND/BLACK NUMERALS; Scale Smallest Increment: 1.0 POUNDS PER SQUARE INCH (PSI) LBS. 10 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.