The Spring,helical, cataloged under National Stock Number 5360-00-320-1900, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Otis Elevator Co Sub of United Technologies Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Spring,helical |
| FSC / FSG | 5360 — Coil, Flat, Leaf, and Wire Springs (FSG 53) |
| Manufacturers | Otis Elevator Co Sub of United Technologies Corp (CAGE 45206) |
| Parameter | Value |
|---|---|
| NSN | 5360-00-320-1900 |
| Primary Part Number | BUS1721 |
| Item Name | Spring,helical |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Otis Elevator Co Sub of United Technologies Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| CV20-8301VCPPC5 | Otis Elevator Co Sub of United Technologies Corp (USA) |
| BUS1721 PRIMARY | Otis Elevator Co Sub of United Technologies Corp (USA) |
| Reference | Meaning |
|---|---|
| 399481YPC5 | 5/2 Secondary reference U.S. Government activity |
| BUS1721 | C/1 Advisory reference — outside the item-of-supply concept Fairbanks Morse, Llc |
| 201-249PC5 | 3/9 Design control — primary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| BUS1721 | 5/9 Secondary reference Coltec Industries Inc Dba Fairbanks Morse Engine Fm/alco |
| 399481PC5 | 5/2 Secondary reference U.S. Government activity |
NSN 5360-00-320-1900 is a Spring,helical, manufactured by Otis Elevator Co Sub of United Technologies Corp, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-320-1900 has 2 manufacturer part numbers on file: CV20-8301VCPPC5 (Otis Elevator Co Sub of United Technologies Corp), BUS1721 (Otis Elevator Co Sub of United Technologies Corp).
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.