The Calibration Gas Kit, cataloged under National Stock Number 6665-01-587-0650, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6665-01-587-0650 |
| Primary Part Number | 794421-001CP |
| Item Name | Calibration Gas Kit |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 794421-001CP | Naval Inventory Control Point Mechanicsburg (USA) |
| COLD BOX,CAL GAS KIT ITEM 004CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 794421-001 OXYGEN CLEANCP | Naval Inventory Control Point Mechanicsburg (USA) |
| COLD BOX,CAL GAS KIT ITEM 004 | Pacific Consolidated Industries Llc (USA) |
| 794421-001 | Pacific Consolidated Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 794421-001 OXYGEN CLEAN | 3/1 Design control — primary reference Pacific Consolidated Industries Llc |
| COLD BOX,CAL GAS KIT ITEM 004 CP | 5/1 Secondary reference Pacific Consolidated Industries Llc |
NSN 6665-01-587-0650 is a Calibration Gas Kit, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-01-587-0650 has 5 manufacturer part numbers on file: 794421-001CP (Naval Inventory Control Point Mechanicsburg), COLD BOX,CAL GAS KIT ITEM 004CP (Naval Inventory Control Point Mechanicsburg), 794421-001 OXYGEN CLEANCP (Naval Inventory Control Point Mechanicsburg), COLD BOX,CAL GAS KIT ITEM 004 (Pacific Consolidated Industries Llc), 794421-001 (Pacific Consolidated Industries Llc).
Key specifications for 794421-001CP: Criticality Code Justification: ZZZY; Special Features: USED WITH OXYGEN SENSOR 0S-1; Part Name Assigned by Controlling Agency: (INAVY)CALIBRATION GAS KIT, CP; End Item Identification: LOX SYSTEM. 2 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.