The Regulator,vehicle Window, cataloged under National Stock Number 2540-00-294-6768, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-00-294-6768 |
| Item Name | Regulator,vehicle Window |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Status | ACTIVE |
| Lift Arm Maximum Travel | 7.750 INCHES IN |
| Handle Fastening Method | PIN HOLE |
| Drive Type | SECTOR GEAR |
| Glass Lift Channel | NOT INCLUDED |
| Handle Shaft Shape | ROUND W/FLATTED SIDE |
| Lift Arm Length | 9.750 INCHES NOMINAL IN |
| Gear Ratio | 1.92 TO 1 |
| Handle/escutcheon Plate | NOT INCLUDED |
| Mounting Location | LEFT HAND |
| Lift Arm Type | SINGLE |
| Mounting Type for Which Designed | STEEL PANEL |
| 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 |
|---|---|
| 40483 | 3/9 Design control — primary reference Sonnenbrot, Cliff |
| 40483 | 5/9 Secondary reference Dura Corp |
| 14415L | 5/9 Secondary reference U.S. Government activity |
NSN 2540-00-294-6768 is a Regulator,vehicle Window, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 5330-01-044-6598, 5962-01-173-7795, 4730-01-283-8148. Verify interchangeability with system specifications before substitution.
Key specifications for 2540-00-294-6768: Lift Arm Maximum Travel: 7.750 INCHES IN; Handle Fastening Method: PIN HOLE; Drive Type: SECTOR GEAR; Glass Lift Channel: NOT INCLUDED. 11 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.