The Ring,collector, cataloged under National Stock Number 3950-01-449-0661, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-01-449-0661 |
| Primary Part Number | 2C1-05316 |
| Item Name | Ring,collector |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Overall Diameter | 7.125 INCHES NOMINAL IN |
| General Characteristics Item Description | LEADED GUNMETAL; O/A THICKNESS 1.1875IN.; EARTH RING IN COLLECTOR GEAR ASSY FOR LAKE SHORE P/N 2E5-00290 SHIPBOARD ELECTRIC CRANE TO PROVIDE GROUND CONNECTION TO CRANE STRUCTURE AND SHIP STRUCTURE IN |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 2C1-05316 PRIMARY | Lake Shore Systems, Inc. (USA) |
| 2D3-04297 ITEM NO. 14 | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2D3-04297 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
NSN 3950-01-449-0661 is a Ring,collector, manufactured by Lake Shore Systems, Inc., classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-449-0661 has 2 manufacturer part numbers on file: 2C1-05316 (Lake Shore Systems, Inc.), 2D3-04297 ITEM NO. 14 (Lake Shore Systems, Inc.).
Key specifications for 2C1-05316: Overall Diameter: 7.125 INCHES NOMINAL IN; General Characteristics Item Description: LEADED GUNMETAL; O/A THICKNESS 1.1875IN.; EARTH RING IN COLLECTOR GEAR ASSY FOR LAKE SHORE P/N 2E5-00290 SHIPBOARD ELECTRIC CRANE TO PROVIDE GROUND CONNECTION TO CRANE STRUCTURE AND SHIP STRUCTURE IN; Special Features: EITEM HAS THREE EQUALLY SPACED THRU HOLES TAPPED 0.5"UNC X 0.75"DEEP FOR SUPPORT STUDS, ONE THRU HOLE TAPPED 0.375" UNC X 0.75" DEEP FOR TERMINAL LUG, AND THREE EQUALLY SPACED 0.4375" DIA THRU HOLES; Part Name Assigned by Controlling Agency: EARTH RING. 3 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.
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.