The Spring,helical,extension, cataloged under National Stock Number 5360-01-179-4603, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-179-4603 |
| Primary Part Number | L3300201-003 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.500 INCHES NOMINAL IN |
| Load Rating | 34.00 POUNDS NOMINAL LBS |
| End Style | MACHINE LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.480 INCHES NOMINAL BOTH ENDS IN |
| Material Document and Classification | AMS 5673 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 2.904 INCHES NOMINAL IN |
| Spring Deflection Rate | 24.900 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 0.660 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 0.356 INCHES NOMINAL IN |
| Spring Length Under Load | 3.930 INCHES NOMINAL IN |
| Coil Quantity | 19 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL COMP 631 OVERALL |
| Hook Radius | 0.180 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 |
|---|---|
| L3300201-003 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 5360-01-179-4603 is a Spring,helical,extension, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-179-4603 has 1 manufacturer part number on file: L3300201-003 (The Boeing Company Div Legacy Am&m).
Key specifications for L3300201-003: Spring Free Outside Diameter: 0.500 INCHES NOMINAL IN; Load Rating: 34.00 POUNDS NOMINAL LBS; End Style: MACHINE LOOP BOTH ENDS; Design Type: CLOSED. 16 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.