The Spring,helical,compression, cataloged under National Stock Number 5360-01-333-5828, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Keystone Intl Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5360-01-333-5828 |
| Primary Part Number | NMP-1560 PART S63 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Keystone Intl Inc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 8.250 INCHES MAXIMUM IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 15.800 INCHES MINIMUM AND 16.200 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL OVERALL |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| S63 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| S63 | Keystone Intl Inc (USA) |
| 000210S63N | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| NMP-1560 PART S63 PRIMARY | Keystone Intl Inc (USA) |
| Reference | Meaning |
|---|---|
| NMP-1560 PART S63 | 5/9 Secondary reference Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| 000210S63NN | 5/9 Secondary reference Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| NMP-1560 PART S63 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
| S63 | 5/9 Secondary reference Kunkle Industries Inc Lonergan Valve Div |
NSN 5360-01-333-5828 is a Spring,helical,compression, manufactured by Keystone Intl Inc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-333-5828 has 4 manufacturer part numbers on file: S63 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), S63 (Keystone Intl Inc), 000210S63N (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), NMP-1560 PART S63 (Keystone Intl Inc).
1 possible match (shared part number, not a government interchangeability claim): 5110-01-595-6997. Verify interchangeability with system specifications before substitution.
Key specifications for NMP-1560 PART S63: Spring Free Outside Diameter: 8.250 INCHES MAXIMUM IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Style Designator: CYLINDRICAL; Spring Free Length: 15.800 INCHES MINIMUM AND 16.200 INCHES MAXIMUM IN. 6 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.