The Spring,helical,compression, cataloged under National Stock Number 5360-00-266-4256, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Hatch & Kirk, Inc.. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-266-4256 |
| Primary Part Number | 3243085 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.875 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | SAE 1066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 8.500 INCHES NOMINAL IN |
| Inside Diameter | 0.664 INCHES NOMINAL IN |
| Coil Quantity | 41 |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL COMP 1566 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 |
|---|---|
| N33386PC4 | Hatch & Kirk, Inc. (USA) |
| 3243085 PRIMARY | Hatch & Kirk, Inc. (USA) |
| N29286PC4 | Hatch & Kirk, Inc. (USA) |
| Reference | Meaning |
|---|---|
| N33386PC4 | 5/9 Secondary reference General Motors Corp |
| N33386PC4 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| 3243085 | 5/9 Secondary reference General Motors Corp |
| N29286PC4 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
| N33386PC4 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 3243085 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| N29286PC4 | 5/9 Secondary reference General Motors Corp |
| N29286PC4 | C/1 Advisory reference — outside the item-of-supply concept General Motors Llc Dba General Motors Llc |
| 3243085 | 5/9 Secondary reference General Motors Corp Electro-Motive Div |
NSN 5360-00-266-4256 is a Spring,helical,compression, manufactured by Hatch & Kirk, Inc., classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-266-4256 has 3 manufacturer part numbers on file: N33386PC4 (Hatch & Kirk, Inc.), 3243085 (Hatch & Kirk, Inc.), N29286PC4 (Hatch & Kirk, Inc.).
Key specifications for 3243085: Spring Free Outside Diameter: 0.875 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Style Designator: CYLINDRICAL; Material Document and Classification: SAE 1066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.