The Indicator,pressure, cataloged under National Stock Number 6685-01-398-3801, 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 Meggitt (new Hampshire), Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-398-3801 |
| Primary Part Number | 40-732-1 |
| Item Name | Indicator,pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Meggitt (new Hampshire), Inc |
| Status | ACTIVE |
| Length | 6.250 INCHES MAXIMUM IN |
| Display Digit Quantity | 6 |
| Electrical Connection Quantity | 1 |
| Accuracy Rating | 2000.0 POUNDS PER SQUARE INCH SINGLE INDICATOR SINGLE SCALE LBS |
| Pointer Type | CLOCK-HAND SINGLE POINTER |
| Presentation Type | DIAL |
| Scale Division Quantity | 6 SINGLE INDICATOR SINGLE SCALE |
| Pointer Purpose | AMOUNT OF OXYGEN PRESSURE |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY THE SOURCE CONTROL DWR NO. |
| 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 |
|---|---|
| 40-732-1 | Meggitt (new Hampshire), Inc (USA) |
| A55A9096-1 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems (USA) |
NSN 6685-01-398-3801 is a Indicator,pressure, manufactured by Meggitt (new Hampshire), Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-398-3801 has 2 manufacturer part numbers on file: 40-732-1 (Meggitt (new Hampshire), Inc), A55A9096-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems).
Key specifications for 40-732-1: Length: 6.250 INCHES MAXIMUM IN; Display Digit Quantity: 6; Electrical Connection Quantity: 1; Accuracy Rating: 2000.0 POUNDS PER SQUARE INCH SINGLE INDICATOR SINGLE SCALE LBS. 9 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.