The Spring,helical,torsion, cataloged under National Stock Number 5360-01-211-5566, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Diamond Power International, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-01-211-5566 |
| Primary Part Number | IR-217-D |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Diamond Power International, Inc. |
| Status | ACTIVE |
| Material | STEEL UNS K08500 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 |
|---|---|
| F-3168026 | Diamond Power International, Inc. (USA) |
| IR-217-D PRIMARY | Diamond Power International, Inc. (USA) |
| N3-21570 PIECE 424 | Diamond Power International, Inc. (USA) |
| Reference | Meaning |
|---|---|
| IR217D | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5360-01-211-5566 is a Spring,helical,torsion, manufactured by Diamond Power International, Inc., classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-211-5566 has 3 manufacturer part numbers on file: F-3168026 (Diamond Power International, Inc.), IR-217-D (Diamond Power International, Inc.), N3-21570 PIECE 424 (Diamond Power International, Inc.).
Key specifications for IR-217-D: Material: STEEL UNS K08500 OVERALL. 1 specification is 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.