The Key,hatch and Door,emergency Com, cataloged under National Stock Number 4240-01-656-1194, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is Lockheed Martin Corporation Div Mfc. 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.
| Parameter | Value |
|---|---|
| NSN | 4240-01-656-1194 |
| Primary Part Number | J105428 |
| Item Name | Key,hatch and Door,emergency Com |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Lockheed Martin Corporation Div Mfc |
| Status | ACTIVE |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| J105428 PRIMARY | Lockheed Martin Corporation Div Mfc (USA) |
NSN 4240-01-656-1194 is a Key,hatch and Door,emergency Com, manufactured by Lockheed Martin Corporation Div Mfc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-656-1194 has 1 manufacturer part number on file: J105428 (Lockheed Martin Corporation Div Mfc).
Key specifications for J105428: Overall Length: 8.00 INCHES NOMINAL IN; Overall Width: 0.75 INCHES NOMINAL IN; Special Features: KEY TOOL USED TO UNLOCK MATV, RG33, AND GMV VEHICLE COMBAT LOCKS. T-HANDLE DESIGN. COMPOSED OF 3 KEY FITTINGS: 0.490 INCHES (RG-33); .645 INCHES (GMV); 0.505 INCHES DOUBLE STAR (MATV). FINISH: ZINC PLATE, TYPE II, TAN. HEIGHT: 6.25 IN; WEIGHT: 1.46 LBS. LBS; End Item Identification: MATV, RG33, AND GMV. 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.