The Spring,helical,extension, cataloged under National Stock Number 5360-00-598-6560, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Textron Aviation Inc. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-00-598-6560 |
| Primary Part Number | 235-1133 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.188 INCHES NOMINAL IN |
| Load Rating | 44.00 POUNDS NOMINAL LBS |
| End Style | DOBBY HOOK FIRST END |
| End Style | DOBBY HOOK SECOND END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.406 INCHES NOMINAL BOTH ENDS IN |
| Opening Width | 0.312 INCHES NOMINAL FIRST END IN |
| Material Document and Classification | MIL-W-6101 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 6.586 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 1.250 INCHES NOMINAL SECOND END IN |
| Coil to Hook Inside Length | 0.688 INCHES NOMINAL FIRST END IN |
| Inside Diameter | 0.9765 INCHES NOMINAL IN |
| Spring Length Under Load | 17.500 INCHES NOMINAL IN |
| Coil Quantity | 42 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL 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 |
|---|---|
| 235-1133 PRIMARY | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| 235-1133 | 3/9 Design control — primary reference Beechcraft Corporation Dba Textron Aviation |
NSN 5360-00-598-6560 is a Spring,helical,extension, manufactured by Textron Aviation Inc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-598-6560 has 1 manufacturer part number on file: 235-1133 (Textron Aviation Inc).
Key specifications for 235-1133: Spring Free Outside Diameter: 1.188 INCHES NOMINAL IN; Load Rating: 44.00 POUNDS NOMINAL LBS; End Style: DOBBY HOOK FIRST END; End Style: DOBBY HOOK SECOND END. 18 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.