The Support,entrance Protective,pres, cataloged under National Stock Number 4240-01-308-6140, 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1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4240-01-308-6140 |
| Item Name | Support,entrance Protective,pres |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | MATERIAL IS ALUMINUM ALLOY;CHEMICAL FILM FOR ALUMINUM ALLOY MIL-C-5541;PRIMER,TYPE II MIL-P-23377;COATING,ALIPHATIC POLYURETHANE TYPE II MIL-C-46168;PLATING,CADMIUM QQ-P-416;PRIMER MIL-P-52192 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | N |
| Reference | Meaning |
|---|---|
| D5-19-9229 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4240-01-308-6140 is a Support,entrance Protective,pres, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
Key specifications for 4240-01-308-6140: General Characteristics Item Description: MATERIAL IS ALUMINUM ALLOY;CHEMICAL FILM FOR ALUMINUM ALLOY MIL-C-5541;PRIMER,TYPE II MIL-P-23377;COATING,ALIPHATIC POLYURETHANE TYPE II MIL-C-46168;PLATING,CADMIUM QQ-P-416;PRIMER MIL-P-52192; End Item Identification: ENTRANCE,PROTECTIVE,EXTERNAL,S250,M19. 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.