The Diffuser,air,vehicular Heating a, cataloged under National Stock Number 2540-01-549-5240, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Cnh Industrial America Llc Dba Cnh America. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-549-5240 |
| Primary Part Number | 398986A1 |
| Item Name | Diffuser,air,vehicular Heating a |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Cnh Industrial America Llc Dba Cnh America |
| Status | ACTIVE |
| Overall Diameter | 100.0 MILLIMETERS NOMINAL MM |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 398986A1 PRIMARY | Cnh Industrial America Llc Dba Cnh America (USA) |
NSN 2540-01-549-5240 is a Diffuser,air,vehicular Heating a, manufactured by Cnh Industrial America Llc Dba Cnh America, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-549-5240 has 1 manufacturer part number on file: 398986A1 (Cnh Industrial America Llc Dba Cnh America).
Key specifications for 398986A1: Overall Diameter: 100.0 MILLIMETERS NOMINAL MM; Overall Length: 42.0 MILLIMETERS NOMINAL MM; Special Features: MATERIAL; ABS PER CASE MS 516/517 AND COLOR CASE MS 40-26 WHEAT; Part Name Assigned by Controlling Agency: LOUVER ASSY, ROUND WHEAT, FIXED VENT. 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.