The Spring,helical,compression, cataloged under National Stock Number 5360-00-252-8503, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5360-00-252-8503 |
| Primary Part Number | 71027B |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Brinkley Technology Group Llc Dba Hercules Manufacturing |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.429 INCHES MINIMUM AND 1.449 INCHES MAXIMUM IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 1.415 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 2.875 INCHES NOMINAL IN |
| Inside Diameter | 1.105 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| Coil Quantity | 9 |
| Coil Helix Direction | LEFT-HAND |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 71027B PRIMARY | Brinkley Technology Group Llc Dba Hercules Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 71027B | 5/9 Secondary reference Hercules Engine Co Inc |
| 71027B | 5/9 Secondary reference D N K |
NSN 5360-00-252-8503 is a Spring,helical,compression, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-252-8503 has 1 manufacturer part number on file: 71027B (Brinkley Technology Group Llc Dba Hercules Manufacturing).
Key specifications for 71027B: Spring Free Outside Diameter: 1.429 INCHES MINIMUM AND 1.449 INCHES MAXIMUM IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 1.415 INCHES NOMINAL IN; Style Designator: CYLINDRICAL. 9 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.