The Spring,helical,compression, cataloged under National Stock Number 5360-00-243-3557, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Ward Leonard Ct Llc. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-243-3557 |
| Primary Part Number | 12591-23PC3 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.500 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Accommodated Rod Diameter | 0.375 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | N,22-W-11C MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.625 INCHES NOMINAL IN |
| Inside Diameter | 0.428 INCHES NOMINAL IN |
| Coil Quantity | 4 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 12591-23PC3 PRIMARY | Ward Leonard Ct Llc (USA) |
| 12832-59PC5 PRIMARY | Ward Leonard Ct Llc (USA) |
| 422188PC8 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 206581PC5 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 12591.23-3 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5360-00-243-3557 is a Spring,helical,compression, manufactured by Ward Leonard Ct Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-243-3557 has 4 manufacturer part numbers on file: 12591-23PC3 (Ward Leonard Ct Llc), 12832-59PC5 (Ward Leonard Ct Llc), 422188PC8 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 206581PC5 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 1015-01-343-2002. Verify interchangeability with system specifications before substitution.
Key specifications for 12591-23PC3: Spring Free Outside Diameter: 0.500 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Accommodated Rod Diameter: 0.375 INCHES NOMINAL IN; Style Designator: CYLINDRICAL. 11 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.