The Vent,laminate, cataloged under National Stock Number 2540-01-488-4366, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-488-4366 |
| Item Name | Vent,laminate |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Status | ACTIVE |
| Overall Diameter | 0.500 INCHES NOMINAL IN |
| General Characteristics Item Description | I.D. 0.250; O.D. 0.500. MATERIAL IS ZINTEX LAMINATE 1.0 MICRON PORE SIZE WITH NON-WOVEN POLYESTER AND ADHESIVE. THIS ITEM IS TO ALLOW FREE FLOW VENT OF HOUSING, MICRON FILTER TO FILTER CONTAMINANTS. |
| Material | STEEL AND PLASTIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Reference | Meaning |
|---|---|
| A3177571 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2540-01-488-4366 is a Vent,laminate, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
Key specifications for 2540-01-488-4366: Overall Diameter: 0.500 INCHES NOMINAL IN; General Characteristics Item Description: I.D. 0.250; O.D. 0.500. MATERIAL IS ZINTEX LAMINATE 1.0 MICRON PORE SIZE WITH NON-WOVEN POLYESTER AND ADHESIVE. THIS ITEM IS TO ALLOW FREE FLOW VENT OF HOUSING, MICRON FILTER TO FILTER CONTAMINANTS.; Special Features: NEXT HIGHER ASSEMBLY 5865-01-346-4772, LASER DETECTING SET.; End Item Identification: AIRCRAFT, W/S DESIGNATOR AN/AVR-2 LASER DETECTING SET. 3 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.