The Spring,helical,compression, cataloged under National Stock Number 5360-00-659-8568, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-659-8568 |
| Primary Part Number | 2659514 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.483 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.084 INCHES NOMINAL IN |
| Inside Diameter | 0.387 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN |
| Coil Quantity | 7 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 2659514 | Marvin Engineering Co, Inc (USA) |
| 2659514 | Klune Industries, Inc. Div Pcc Aerostructures, Spanish Fork Dba Klune Industries (USA) |
| 2659514 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 2659514 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 2659514 | Vertex Modernization and Sustainment Llc (USA) |
| Reference | Meaning |
|---|---|
| ML440041-3 | 5/9 Secondary reference Meyer Labs Inc |
| 293BC440041 | 5/9 Secondary reference Lockheed Martin Corporation Div Rotary and Mission Systems |
| 293BC440041 | 3/9 Design control — primary reference Lockheed Martin Corporation |
NSN 5360-00-659-8568 is a Spring,helical,compression, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-659-8568 has 5 manufacturer part numbers on file: 2659514 (Marvin Engineering Co, Inc), 2659514 (Klune Industries, Inc. Div Pcc Aerostructures, Spanish Fork Dba Klune Industries), 2659514 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 2659514 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2659514 (Vertex Modernization and Sustainment Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5305-01-253-2996, 2530-01-688-2957. Verify interchangeability with system specifications before substitution.
Key specifications for 2659514: Spring Free Outside Diameter: 0.483 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Style Designator: CYLINDRICAL; Material Document and Classification: QQ-W-423,COND B FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 8 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.