The Spring,helical,torsion, cataloged under National Stock Number 5360-00-598-7161, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 15 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 | 5360-00-598-7161 |
| Primary Part Number | 61A107B20 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.313 INCHES NOMINAL IN |
| End Style | ONE HOOK END OVERALL |
| End Length | 0.500 INCHES NOMINAL BOTH ENDS IN |
| Center Section Width | 0.188 INCHES NOMINAL IN |
| Style Designator | SINGLE TORSION RIGHT HAND |
| Material Document and Classification | MIL-W-6101 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.750 INCHES NOMINAL IN |
| Coil Axis to Center Section Distance | 0.813 INCHES NOMINAL IN |
| Inside Diameter | 0.230 INCHES NOMINAL IN |
| Coil Quantity | 5 EACH END |
| Surface Treatment | PASSIVATE OVERALL |
| Center Loop Radius | 0.052 INCHES NOMINAL IN |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL OVERALL |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER AND END W/LH HELIX OF COIL ANGLED TO CENTER SECTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5360-00-598-7161 is a Spring,helical,torsion, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-598-7161 has 2 manufacturer part numbers on file: 61A107B20 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 61A107B20 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 61A107B20: Spring Free Outside Diameter: 0.313 INCHES NOMINAL IN; End Style: ONE HOOK END OVERALL; End Length: 0.500 INCHES NOMINAL BOTH ENDS IN; Center Section Width: 0.188 INCHES NOMINAL IN. 15 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.