The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-134-4979, 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 Ametek, Inc. Div Aerospace & Defense. Government technical data includes 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-134-4979 |
| Primary Part Number | 46992 |
| Item Name | Gage,pressure,dial Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ametek, Inc. Div Aerospace & Defense |
| Status | ACTIVE |
| Scale Accuracy | 3-2-3 PCT |
| Scale Name | VACUUM |
| Actuation Type | BOURDON TUBE |
| Mounting Connection Location | LOWER SIDE |
| Mounting Method | EXTERNAL PIPE CONNECTION |
| Scale Inscription/background Color | WHITE BACKGROUND WITH BLACK MARKINGS |
| Criticality Code Justification | APSK |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 2000.0 POUNDS OF VACUUM PER SQUARE INCH LBS |
| Pointer Type | INDICATING |
| Scale Type | CONCENTRIC DIAL |
| Dial Size | 2-1/2 IN. DIA IN |
| Color | BLACK CASE |
| Pointer Color | BLACK |
| Surface Treatment | PAINT EPOXY CASE |
| Material | STEEL CASE |
| Material | COPPER ALLOY 511 ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 46992 PRIMARY | Ametek, Inc. Div Aerospace & Defense (USA) |
NSN 6685-01-134-4979 is a Gage,pressure,dial Indicating, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-134-4979 has 1 manufacturer part number on file: 46992 (Ametek, Inc. Div Aerospace & Defense).
Key specifications for 46992: Scale Accuracy: 3-2-3 PCT; Scale Name: VACUUM; Actuation Type: BOURDON TUBE; Mounting Connection Location: LOWER SIDE. 18 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.