The Entrance,protective,pressurized, cataloged under National Stock Number 4240-01-142-5487, 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1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4240-01-142-5487 |
| Item Name | Entrance,protective,pressurized |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | C/O INSTALLATION INTERFACE,TWO SIDE PANELS,SHORT TRANSITION PANEL WITH UPPER AIR OUTLET,ONE TOP,ONE BOTTOM,WITHOUT CONTROL MODULE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | N |
| Reference | Meaning |
|---|---|
| E5-19-6201-70 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4240-01-142-5487 is a Entrance,protective,pressurized, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
Key specifications for 4240-01-142-5487: General Characteristics Item Description: C/O INSTALLATION INTERFACE,TWO SIDE PANELS,SHORT TRANSITION PANEL WITH UPPER AIR OUTLET,ONE TOP,ONE BOTTOM,WITHOUT CONTROL MODULE; End Item Identification: AN/TSQ-73,11E. 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.
NSN 4240-01-142-5487 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.