The Valve,oxygen Shutoff, cataloged under National Stock Number 1660-01-246-6378, is classified within Federal Supply Class 1660 (Aircraft Air Conditioning, Heating, and Pressurizing Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1660-01-246-6378 |
| Primary Part Number | ST7M414-3 |
| Item Name | Valve,oxygen Shutoff |
| FSC / FSG | 1660 / 16 — Aircraft Air Conditioning, Heating, and Pressurizing Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY; 4.210 IN. LG; 1.500 IN. W; 0.940 IN. H IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ST7M414-3 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 596000-14 | 5/2 Secondary reference U.S. Government activity |
| HV94-2 | 5/9 Secondary reference U.S. Government activity |
| HV94-9 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1660-01-246-6378 is a Valve,oxygen Shutoff, manufactured by The Boeing Company Div Defense, classified under FSC 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. Status: active.
NSN 1660-01-246-6378 has 1 manufacturer part number on file: ST7M414-3 (The Boeing Company Div Defense).
Key specifications for ST7M414-3: General Characteristics Item Description: ALUMINUM ALLOY; 4.210 IN. LG; 1.500 IN. W; 0.940 IN. H IN; End Item Identification: AIRCRAFT MODEL F-18. 1 specification is 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.
NSN 1660-01-246-6378 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.