The Entrance,protective,pressurized, cataloged under National Stock Number 4240-01-622-8566, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-622-8566 |
| Item Name | Entrance,protective,pressurized |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Status | ACTIVE |
| Color | GREEN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 17-3-2647-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4240-01-622-8566 is a Entrance,protective,pressurized, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
Key specifications for 4240-01-622-8566: Color: GREEN; Special Features: MATERIAL-FABRIC, FLUOROPOLYMER/ARAMID COMPOSITE, WALL; TOPSIDE COLOR OLIVE DRAB, BOTTOM SIDE COLOR WHITE; INCLUDES AIR LOCK END WALL AND TUNNEL ASSY; Part Name Assigned by Controlling Agency: ASSY, AIRLOCK ENDWALL TO TALP; End Item Identification: NSN 5410-01-592-9463. 1 specification is 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.