The Transmission,mechanical,vehicula, cataloged under National Stock Number 2520-01-642-1956, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-642-1956 |
| Primary Part Number | 50271000 ITEM 03D4 |
| Item Name | Transmission,mechanical,vehicula |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 50271000 ITEM 03D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| MODEL 214-CD4 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 50271000 ITEM 03 | 3/1 Design control — primary reference U.S. Government activity |
| MODEL 214-C | 5/1 Secondary reference Hub City, Inc. Dba Hub City Div Hub City, Inc. - a Regal-Beloit Company |
NSN 2520-01-642-1956 is a Transmission,mechanical,vehicula, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-642-1956 has 2 manufacturer part numbers on file: 50271000 ITEM 03D4 (Naval Inventory Control Point Mechanicsburg), MODEL 214-CD4 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 50271000 ITEM 03D4: Criticality Code Justification: ZZZY; Part Name Assigned by Controlling Agency: TRANSMISSION, MECHANICAL; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW SS800-AG-MAN-010/P-9290 SYSTEM CERTIFICATION PRODURES AND CRITERIA MANUAL FOR DEEP SUBMERGENCE SYSTEMS; CRITICAL ITEM FOR SAFETY AND SURVIVAL OF DEEP SUBMERGENCE RESEARCH AND RESCUE VEHICLES AS DIFFERENTIATED BY SPECIAL TEST FEATURES. 2 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.