The Spring,helical,compression, cataloged under National Stock Number 5360-01-266-4156, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5360-01-266-4156 |
| Primary Part Number | 321797 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling |
| Status | ACTIVE |
| Spring Free Outside Diameter | 12.80 MILLIMETERS NOMINAL MM |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 45.00 MILLIMETERS NOMINAL MM |
| Inside Diameter | 9.20 MILLIMETERS NOMINAL MM |
| Coil Helix Direction | RIGHT-HAND OR LEFT-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 |
|---|---|
| 321797 PRIMARY | Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA) |
| 21731-40501 | Kyb Corporation (JPN) |
| Reference | Meaning |
|---|---|
| 321797 | 5/9 Secondary reference Hyster-Yale Group, Inc. |
| 21731-40501 | 5/9 Secondary reference Kayaba Industry Co. Ltd |
NSN 5360-01-266-4156 is a Spring,helical,compression, manufactured by Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-266-4156 has 2 manufacturer part numbers on file: 321797 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling), 21731-40501 (Kyb Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-330-2077. Verify interchangeability with system specifications before substitution.
Key specifications for 321797: Spring Free Outside Diameter: 12.80 MILLIMETERS NOMINAL MM; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Style Designator: CYLINDRICAL; Spring Free Length: 45.00 MILLIMETERS NOMINAL MM. 7 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.