The Spring,helical,compression, cataloged under National Stock Number 5360-01-239-1223, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-239-1223 |
| Primary Part Number | 201341-SC |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.468 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.296 INCHES MAXIMUM IN |
| Accommodated Rod Diameter | 0.312 INCHES MAXIMUM IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | CHROME SILICON,9254,INDIANA STEEL AND WIRE CO MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.460 INCHES NOMINAL IN |
| Spring Deflection Rate | 35.300 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.366 INCHES NOMINAL IN |
| Coil Quantity | 5.8 |
| Coil Helix Direction | RIGHT-HAND |
| Bore Diameter | 0.500 INCHES MINIMUM IN |
| 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 |
NSN 5360-01-239-1223 is a Spring,helical,compression, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-239-1223 has 2 manufacturer part numbers on file: 201341-SC (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic), 201341SC (Marine & Industrial Transmissions Ltd).
Key specifications for 201341-SC: Spring Free Outside Diameter: 0.468 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 0.296 INCHES MAXIMUM IN; Accommodated Rod Diameter: 0.312 INCHES MAXIMUM IN. 13 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.