The Gage,vacuum,indicating, cataloged under National Stock Number 6685-01-587-6792, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-587-6792 |
| Primary Part Number | 45-1377SS-02B-0/30IMV |
| Item Name | Gage,vacuum,indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Scale Name | VACUUM |
| Actuation Type | BOURDON TUBE |
| Mounting Method | FLUSH |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 30.0 POUNDS LBS |
| Material Document and Classification | AISI 316 ASSN STD SINGLE MATERIAL RESPONSE ACTUATING ELEMENT |
| Pointer Type | INDICATING |
| Scale Type | CIRCULAR |
| Dial Size | 4.5 IN CIRCULAR IN |
| Connection Location | BACK |
| Surface Treatment | PAINT CASE |
| Material | ALUMINUM CASE |
| Material | STEEL COMP 316 ACTUATING ELEMENT |
| Connection Size | 1/4 IN NPT IN |
| 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 |
|---|---|
| 45-1377SS-02B-0/30IMV PRIMARY | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| 451377-SS02B0-30IMV | 5/9 Secondary reference Dresser Inc Dba Dresser Measurement |
NSN 6685-01-587-6792 is a Gage,vacuum,indicating, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-587-6792 has 1 manufacturer part number on file: 45-1377SS-02B-0/30IMV (Ashcroft Inc Dba Heise).
Key specifications for 45-1377SS-02B-0/30IMV: Scale Name: VACUUM; Actuation Type: BOURDON TUBE; Mounting Method: FLUSH; Connection Type: EXTERNAL. 14 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.