The Spring,helical,compression, cataloged under National Stock Number 5360-01-129-3949, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Martin-Baker Aircraft Company Limited. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-129-3949 |
| Primary Part Number | MBEU-65545 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Martin-Baker Aircraft Company Limited |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.724 INCHES MINIMUM AND 0.734 INCHES MAXIMUM IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 1.300 INCHES MAXIMUM IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | 11R51,SANDVIK STEEL INC MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 3.937 INCHES NOMINAL IN |
| Inside Diameter | 0.576 INCHES NOMINAL IN |
| Coil Quantity | 15 |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| MBEU-65545 PRIMARY | Martin-Baker Aircraft Company Limited (GBR) |
NSN 5360-01-129-3949 is a Spring,helical,compression, manufactured by Martin-Baker Aircraft Company Limited, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-129-3949 has 1 manufacturer part number on file: MBEU-65545 (Martin-Baker Aircraft Company Limited).
Key specifications for MBEU-65545: Spring Free Outside Diameter: 0.724 INCHES MINIMUM AND 0.734 INCHES MAXIMUM IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 1.300 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.