The Adapter,oxygen Cylinder, cataloged under National Stock Number 6530-01-663-8631, is classified within Federal Supply Class 6530 (Hospital Furniture, Equipment, Utensils, and Supplies) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is Lifeport Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6530-01-663-8631 |
| Primary Part Number | ST1-631-01 |
| Item Name | Adapter,oxygen Cylinder |
| FSC / FSG | 6530 / 65 — Hospital Furniture, Equipment, Utensils, and Supplies |
| Manufacturer | Lifeport Llc |
| 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| ST1-631-01 PRIMARY | Lifeport Llc (USA) |
| Reference | Meaning |
|---|---|
| 1451895 | 5/1 Secondary reference U.S. Government activity |
| 6530NCM173605 | 5/1 Secondary reference Defense Medical Standardization Board |
NSN 6530-01-663-8631 is a Adapter,oxygen Cylinder, manufactured by Lifeport Llc, classified under FSC 6530, Hospital Furniture, Equipment, Utensils, and Supplies. Status: active.
NSN 6530-01-663-8631 has 1 manufacturer part number on file: ST1-631-01 (Lifeport Llc).
2 possible matches (shared part number, not a government interchangeability claim): 6665-01-666-1626, 6515-01-666-9258. Verify interchangeability with system specifications before substitution.
Key specifications for ST1-631-01: Special Features: OXYGEN CYLINDER ADAPTER FOR OVER SIZED LITTER. PACKAGED DIMENSIONS: 31 X18 X 12; Part Name Assigned by Controlling Agency: ADAPTER, OXYGEN CYLINDER FOR OSL; End Item Identification: 6530-01-589-2284, SUPPORT SYSTEM, LITTER. 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.