The Spring,helical,compression, cataloged under National Stock Number 5360-01-633-5261, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-01-633-5261 |
| Primary Part Number | 845-7525729-XX-35 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Spring Free Outside Diameter | 5.199 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED AND GROUND OVERALL |
| Spring Solid Length | 1.380 INCHES NOMINAL IN |
| Stock Width | 0.250 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.820 INCHES NOMINAL IN |
| Spring Deflection Rate | 1035.0 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 4.699 INCHES NOMINAL IN |
| Coil Quantity | 10 |
| Coil Helix Direction | RIGHT-HAND |
| Bore Diameter | 5.250 INCHES NOMINAL IN |
| Material | NICKEL ALLOY 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 |
|---|---|
| 845-7525729-XX-35 | Smalley Steel Ring Co. (USA) |
| 845-7525729-XX-35 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 845-7525729 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5360-01-633-5261 is a Spring,helical,compression, manufactured by Naval Sea Systems Command, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-633-5261 has 2 manufacturer part numbers on file: 845-7525729-XX-35 (Smalley Steel Ring Co.), 845-7525729-XX-35 (Naval Sea Systems Command).
Key specifications for 845-7525729-XX-35: Spring Free Outside Diameter: 5.199 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND OVERALL; Spring Solid Length: 1.380 INCHES NOMINAL IN; Stock Width: 0.250 INCHES NOMINAL IN. 12 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.