The Gage,vacuum,indicating, cataloged under National Stock Number 6685-00-903-4909, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-00-903-4909 |
| Primary Part Number | 2324291 |
| Item Name | Gage,vacuum,indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Scale Accuracy | WITHIN 2 PCT OF FULL SCALE |
| Scale Name | VACUUM |
| Overall Diameter | 2.719 INCHES NOMINAL IN |
| Actuation Type | BOURDON TUBE |
| Scale Inscription/background Color | BLACK FITURES ON WHITE BACKGROUND |
| Scale Smallest Increment | 0.5 INCHES OF MERCURY (INHG) IN |
| Connection Type | EXTERNAL |
| Scale Range | +0.0 TO 30.0 INCHES OF MERCURY IN |
| Pointer Type | INDICATING |
| Adjustability | ADJUSTABLE OR NONADJUSTABLE |
| Scale Type | DIAL |
| Connector Type Vent | NOT PROVIDED |
| Dial Size | 2-1/2 IN. DIA IN |
| Graduation Unit | 5.0 INCHES OF MERCURY IN |
| Connection Location | LOWER |
| Pointer Color | ANY ACCEPTABLE |
| Material | STEEL CASE |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Material | COPPER ALLOY ACTUATING ELEMENT |
| Connection Quantity | 1 |
| Bezel Type | SNAP-ON |
| Connection Size | 0.250-18 IN.NPT DIA 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 |
|---|---|
| 2324291 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 2324291 | 5/9 Secondary reference Altamil Corp Chambers Div |
NSN 6685-00-903-4909 is a Gage,vacuum,indicating, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-903-4909 has 1 manufacturer part number on file: 2324291 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2324291: Scale Accuracy: WITHIN 2 PCT OF FULL SCALE; Scale Name: VACUUM; Overall Diameter: 2.719 INCHES NOMINAL IN; Actuation Type: BOURDON TUBE. 22 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.