The Inlet Plenium Assembly, cataloged under National Stock Number 4240-00-771-0573, 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1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4240-00-771-0573 |
| Item Name | Inlet Plenium Assembly |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | FRAME,ALUM ALLOY CHANNEL,6061,TEMP T6,EXTRUDED,2 X 1 X 1/8,SPEC QQ-A-200/8;SUPPORT,4 REQD,ALUM ALLOY ANGLE,6061,TEMP T6,1X1X3/16 THK X 2LG,EXTRUDED,SPEC QQ-A-200/8;22.250 IN.L,2 SIDES;22.062 IN.W,2 SIDES;8 HOLES .389 IN.DIA;OPENING 5.875 IN.W. IN |
| 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 |
|---|---|
| C5-19-1242 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4240-00-771-0573 is a Inlet Plenium Assembly, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
Key specifications for 4240-00-771-0573: General Characteristics Item Description: FRAME,ALUM ALLOY CHANNEL,6061,TEMP T6,EXTRUDED,2 X 1 X 1/8,SPEC QQ-A-200/8;SUPPORT,4 REQD,ALUM ALLOY ANGLE,6061,TEMP T6,1X1X3/16 THK X 2LG,EXTRUDED,SPEC QQ-A-200/8;22.250 IN.L,2 SIDES;22.062 IN.W,2 SIDES;8 HOLES .389 IN.DIA;OPENING 5.875 IN.W. IN; End Item Identification: 4240-00-736-7743,4240-00-542-2351. 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.