The Indicator,pressure, cataloged under National Stock Number 6685-01-526-2838, 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 Red Valve Company, Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Indicator,pressure |
| FSC / FSG | 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments (FSG 66) |
| Manufacturers | Red Valve Company, Inc (CAGE 54584) |
| Parameter | Value |
|---|---|
| NSN | 6685-01-526-2838 |
| Primary Part Number | P4040220-N002 |
| Item Name | Indicator,pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Red Valve Company, Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| P4040220-N002 PRIMARY | Red Valve Company, Inc (USA) |
| Reference | Meaning |
|---|---|
| RVS-29545 | D/9 Drawing number reference only Red Valve Company, Inc |
NSN 6685-01-526-2838 is a Indicator,pressure, manufactured by Red Valve Company, Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-526-2838 has 1 manufacturer part number on file: P4040220-N002 (Red Valve Company, Inc).
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.