The Sample Test Gas, cataloged under National Stock Number 6665-01-415-4955, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Airgas Usa, Llc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6665-01-415-4955 |
| Primary Part Number | 58L-181SP |
| Item Name | Sample Test Gas |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Airgas Usa, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 58L-181SP | Airgas Usa, Llc (USA) |
| X02NI99CP581326 | Airgas Usa, Llc (USA) |
| Reference | Meaning |
|---|---|
| 58L-181SP | 5/9 Secondary reference Gasco Affiliates, L.l.c. |
| N-64083 | 3/9 Design control — primary reference Sierra Monitor Corporation |
NSN 6665-01-415-4955 is a Sample Test Gas, manufactured by Airgas Usa, Llc, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-01-415-4955 has 2 manufacturer part numbers on file: 58L-181SP (Airgas Usa, Llc), X02NI99CP581326 (Airgas Usa, Llc).
Key specifications for 58L-181SP: Special Features: CALIBRATOR SYSTEM OR KIT;USED WITH N-18004A1 D-8; End Item Identification: NIMITZ CLASS;GAS DETECTOR. 0 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.