The Spring,helical,compression, cataloged under National Stock Number 5360-01-131-2566, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-131-2566 |
| Primary Part Number | 2493753 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.504 INCHES MAXIMUM IN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.209 INCHES NOMINAL IN |
| Spring Deflection Rate | 3.980 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.293 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN |
| Coil Quantity | 14 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Bore Diameter | 0.388 INCHES MINIMUM 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 |
|---|---|
| 2493753 | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 10118209 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 2493753 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-01-131-2566 is a Spring,helical,compression, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-131-2566 has 1 manufacturer part number on file: 2493753 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 2493753: Spring Free Outside Diameter: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 0.504 INCHES MAXIMUM IN; Style Designator: CYLINDRICAL. 10 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.