The Indicator,pressure, cataloged under National Stock Number 6685-01-671-1369, 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 Otto Instrument Service, Inc. Dba Otto Instrument Service Inc. Government technical data includes 2 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 | 6685-01-671-1369 |
| Primary Part Number | 75655 |
| Item Name | Indicator,pressure |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Otto Instrument Service, Inc. Dba Otto Instrument Service Inc |
| Status | ACTIVE |
| Pointer Type | INDICATING SINGLE POINTER |
| Presentation Type | DIAL |
| 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 |
|---|---|
| 75655 PRIMARY | Otto Instrument Service, Inc. Dba Otto Instrument Service Inc (USA) |
NSN 6685-01-671-1369 is a Indicator,pressure, manufactured by Otto Instrument Service, Inc. Dba Otto Instrument Service Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-671-1369 has 1 manufacturer part number on file: 75655 (Otto Instrument Service, Inc. Dba Otto Instrument Service Inc).
Key specifications for 75655: Pointer Type: INDICATING SINGLE POINTER; Presentation Type: DIAL; Part Name Assigned by Controlling Agency: RATE OF CABIN PRESSURE CHANGE INDICATOR; End Item Identification: F-35 AIRCRAFT SUPPORT EQUIPMENT. 2 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.