The Window,observation, cataloged under National Stock Number 9340-01-320-7590, is classified within Federal Supply Class 9340 (Glass Fabricated Materials) of the Nonmetallic Fabricated Materials group. The manufacturer of record is Industrial Controls Inc. 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 | 9340-01-320-7590 |
| Primary Part Number | 61-436 |
| Item Name | Window,observation |
| FSC / FSG | 9340 / 93 — Glass Fabricated Materials |
| Manufacturer | Industrial Controls Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 61-436 PRIMARY | Industrial Controls Inc (USA) |
NSN 9340-01-320-7590 is a Window,observation, manufactured by Industrial Controls Inc, classified under FSC 9340, Glass Fabricated Materials. Status: active.
NSN 9340-01-320-7590 has 1 manufacturer part number on file: 61-436 (Industrial Controls Inc).
1 possible match (shared part number, not a government interchangeability claim): 6505-01-731-1574. Verify interchangeability with system specifications before substitution.
Key specifications for 61-436: End Item Identification: BOILER STM AUX. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.