The Top Plate,domed, cataloged under National Stock Number 4921-01-075-5213, is classified within Federal Supply Class 4921 (Torpedo Maintenance, Repair, and Checkout Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4921-01-075-5213 |
| Item Name | Top Plate,domed |
| FSC / FSG | 4921 / 49 — Torpedo Maintenance, Repair, and Checkout Specialized Equipment |
| Status | ACTIVE |
| Overall Diameter | 15.700 INCHES NOMINAL IN |
| General Characteristics Item Description | NINE HOLES AT 1.750 IN DIA; 2 HOLES AT 0.531 IN DIA; 5 HOLES AT 0.406 DIA. IN |
| Color | RED |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3180895 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 4921-01-075-5213 is a Top Plate,domed, classified under FSC 4921, Torpedo Maintenance, Repair, and Checkout Specialized Equipment. Status: active.
Key specifications for 4921-01-075-5213: Overall Diameter: 15.700 INCHES NOMINAL IN; General Characteristics Item Description: NINE HOLES AT 1.750 IN DIA; 2 HOLES AT 0.531 IN DIA; 5 HOLES AT 0.406 DIA. IN; Color: RED; Surface Treatment: ANODIZE. 5 specifications are 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.
NSN 4921-01-075-5213 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.