The Regulating Kit,air, cataloged under National Stock Number 4240-01-251-8165, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-251-8165 |
| Item Name | Regulating Kit,air |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | INCL ONE EACH OF THE FOLLOWING PART NUMBERS 7890 PLUG,W-3195 LOW PRESSURE CONNECTOR,W-2963 WAIST BELT,W-3064 SHOULDER STRAP,W-3188 BREATHING TUBE AND W-3187 ADAPTOR ASSEMBLY; SOLE SOURCE REQUIRED BY STATUTE 6.302 |
| Criticality Code Justification | TEXT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| W-3197 | 5/9 Secondary reference 3m Company Div Oh&esd |
| 7010393905 | C/1 Advisory reference — outside the item-of-supply concept 3m Company |
| W-3197 | 3/9 Design control — primary reference 3m Company |
NSN 4240-01-251-8165 is a Regulating Kit,air, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
Key specifications for 4240-01-251-8165: General Characteristics Item Description: INCL ONE EACH OF THE FOLLOWING PART NUMBERS 7890 PLUG,W-3195 LOW PRESSURE CONNECTOR,W-2963 WAIST BELT,W-3064 SHOULDER STRAP,W-3188 BREATHING TUBE AND W-3187 ADAPTOR ASSEMBLY; SOLE SOURCE REQUIRED BY STATUTE 6.302; Criticality Code Justification: TEXT; End Item Identification: 3M MODEL W-3020 1/2 IN. HOSE IN. 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.