The Window Assembly,wing, cataloged under National Stock Number 2510-01-143-5488, is classified within Federal Supply Class 2510 (Vehicular Cab, Body, and Frame Structural Components) of the Vehicular Equipment Components group. The manufacturer of record is Excel Corp. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2510-01-143-5488 |
| Primary Part Number | D839-2L |
| Item Name | Window Assembly,wing |
| FSC / FSG | 2510 / 25 — Vehicular Cab, Body, and Frame Structural Components |
| Manufacturer | Excel Corp |
| Status | ACTIVE |
| General Characteristics Item Description | USED ON CAB ASSEMBLY; LEFT HAND SIDE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| D839-2L PRIMARY | Excel Corp (USA) |
| 19770MA350-20000 | Wheeler Fleet Solutions, Co. (USA) |
| 080-90013-178 PRIMARY | Kovatch Corp. (USA) |
| 4-D839-1L PRIMARY | Excel Corp (USA) |
| MA350-20000 PRIMARY | Am General Llc (USA) |
| Reference | Meaning |
|---|---|
| 1650880C91 | 5/9 Secondary reference U.S. Government activity |
| 1650880C92 | 5/2 Secondary reference U.S. Government activity |
| 403505C91 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
NSN 2510-01-143-5488 is a Window Assembly,wing, manufactured by Excel Corp, classified under FSC 2510, Vehicular Cab, Body, and Frame Structural Components. Status: active.
NSN 2510-01-143-5488 has 5 manufacturer part numbers on file: D839-2L (Excel Corp), 19770MA350-20000 (Wheeler Fleet Solutions, Co.), 080-90013-178 (Kovatch Corp.), 4-D839-1L (Excel Corp), MA350-20000 (Am General Llc).
Key specifications for D839-2L: General Characteristics Item Description: USED ON CAB ASSEMBLY; LEFT HAND SIDE; End Item Identification: 2320-01-028-4395. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.