The Spring,helical,extension, cataloged under National Stock Number 5360-00-598-4974, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Roper Industries Inc Roper Pump Co Div. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-598-4974 |
| Primary Part Number | 354A6278 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Roper Industries Inc Roper Pump Co Div |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.172 INCHES NOMINAL IN |
| Load Rating | 0.200 KILOGRAMS NOMINAL KG |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 0.657 INCHES NOMINAL IN |
| Inside Diameter | 0.140 INCHES NOMINAL IN |
| Spring Length Under Load | 0.875 INCHES NOMINAL IN |
| Coil Quantity | 24-1/2 |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hook Radius | 0.062 INCHES NOMINAL BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5360-00-598-4974 is a Spring,helical,extension, manufactured by Roper Industries Inc Roper Pump Co Div, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-598-4974 has 2 manufacturer part numbers on file: 292-1080 (Crane Electronics, Inc.), 354A6278 (Roper Industries Inc Roper Pump Co Div).
Key specifications for 354A6278: Spring Free Outside Diameter: 0.172 INCHES NOMINAL IN; Load Rating: 0.200 KILOGRAMS NOMINAL KG; End Style: SHORT TWISTED HOOK BOTH ENDS; Design Type: CLOSED. 12 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.