The Housing,indicator, cataloged under National Stock Number 6685-00-654-9907, 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 Honeywell Intl Inc Defense Avionics Systems. Government technical data includes 7 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-654-9907 |
| Primary Part Number | 1250439-1 |
| Item Name | Housing,indicator |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| Status | ACTIVE |
| FSC Application Data | INDICATOR,PRESSURE,EXCEPT ENGINES |
| Overall Diameter | 1.063 INCHES NOMINAL IN |
| Dial Window | INCLUDED |
| Dial Frame | NOT INCLUDED |
| Surface Treatment | TIN |
| Mounting Configuration | CLAMP TYPE MTG |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 1250439-1 PRIMARY | Honeywell Intl Inc Defense Avionics Systems (USA) |
NSN 6685-00-654-9907 is a Housing,indicator, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-654-9907 has 1 manufacturer part number on file: 1250439-1 (Honeywell Intl Inc Defense Avionics Systems).
1 possible match (shared part number, not a government interchangeability claim): 2590-01-573-8416. Verify interchangeability with system specifications before substitution.
Key specifications for 1250439-1: FSC Application Data: INDICATOR,PRESSURE,EXCEPT ENGINES; Overall Diameter: 1.063 INCHES NOMINAL IN; Dial Window: INCLUDED; Dial Frame: NOT INCLUDED. 7 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.