The Spring,helical,extension, cataloged under National Stock Number 5360-00-200-6561, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-200-6561 |
| Primary Part Number | 50402B23 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.300 INCHES NOMINAL IN |
| Load Rating | 3.400 POUNDS NOMINAL LBS |
| End Style | FULL LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.447 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 0.274 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.228 INCHES NOMINAL IN |
| Spring Length Under Load | 1.969 INCHES NOMINAL IN |
| Coil Quantity | 23 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.137 INCHES NOMINAL BOTH ENDS IN |
| 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 |
|---|---|
| 50402B23 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| 50402SH4PCB23 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| PL9667463SH8ITEM10 PRIMARY | General Electric Company (USA) |
| 19639CITEM201T PRIMARY | Ward Leonard Ct Llc (USA) |
| 177943SH2PC215 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| 175350PC234 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| 177357PC215 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| 176871PC118 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| 175351PC215 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3109664PC234 | 3/2 Design control — primary reference U.S. Government activity |
| 4111-3116517ITEM1D | 3/2 Design control — primary reference U.S. Government activity |
| 3109665PC215 | 3/2 Design control — primary reference U.S. Government activity |
| 563-4105-1013367 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-00-200-6561 is a Spring,helical,extension, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-200-6561 has 9 manufacturer part numbers on file: 50402B23 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), 50402SH4PCB23 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), PL9667463SH8ITEM10 (General Electric Company), 19639CITEM201T (Ward Leonard Ct Llc), 177943SH2PC215 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.) and 4 more.
Key specifications for 50402B23: Spring Free Outside Diameter: 0.300 INCHES NOMINAL IN; Load Rating: 3.400 POUNDS NOMINAL LBS; End Style: FULL LOOP BOTH ENDS; Design Type: CLOSED. 14 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.