The Spring,helical,extension, cataloged under National Stock Number 5360-00-797-3517, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Renk America Llc Div Renk America. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-797-3517 |
| Primary Part Number | ERS289 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Renk America Llc Div Renk America |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.477 INCHES MAXIMUM IN |
| End Style | MACHINE LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.187 INCHES MINIMUM AND 0.250 INCHES MAXIMUM BOTH ENDS IN |
| Material Document and Classification | QQ-S-633A FED SPEC SINGLE MATERIAL RESPONSE OVERALL A |
| Spring Free Length | 1.355 INCHES MINIMUM AND 1.414 INCHES MAXIMUM IN |
| Spring Deflection Rate | 10.500 POUNDS PER INCH MINIMUM AND 11.000 POUNDS PER INCH MAXIMUM LBS |
| Coil to Hook Inside Length | 0.300 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.375 INCHES NOMINAL IN |
| Coil Quantity | 12-1/2 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL COMP 1085 OVERALL |
| Hook Radius | 0.187 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 |
| Part Number | Manufacturer |
|---|---|
| ERS289 PRIMARY | Renk America Llc Div Renk America (USA) |
| 9786E75-3 | Renk America Llc Div Renk America (USA) |
| Reference | Meaning |
|---|---|
| ERS289 | 5/2 Secondary reference U.S. Government activity |
| 9786E75-3 | 5/2 Secondary reference U.S. Government activity |
| 9786E75-3 | 5/2 Secondary reference U.S. Government activity |
NSN 5360-00-797-3517 is a Spring,helical,extension, manufactured by Renk America Llc Div Renk America, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-797-3517 has 2 manufacturer part numbers on file: ERS289 (Renk America Llc Div Renk America), 9786E75-3 (Renk America Llc Div Renk America).
Key specifications for ERS289: Spring Free Outside Diameter: 0.477 INCHES MAXIMUM IN; End Style: MACHINE LOOP BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 14 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.