The Spring,helical,torsion, cataloged under National Stock Number 5360-00-159-4612, 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 | 5360-00-159-4612 |
| Primary Part Number | MB300-388 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Martin-Baker Aircraft Company Limited |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.940 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | DS301-14,CAGE 04253 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| End Style | HALF HOOK SECOND END |
| End Style | STRAIGHT OFFSET FIRST END |
| Style Designator | SINGLE TORSION LEFT HAND |
| Inside Diameter | 0.812 INCHES NOMINAL IN |
| End Length From First Bend to Second Bend or End | 0.284 INCHES NOMINAL OVERALL IN |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| End Length From Second Bend to Third Bend or End | 0.375 INCHES NOMINAL OVERALL 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 |
|---|---|
| MB300-388 PRIMARY | Martin-Baker Aircraft Company Limited (GBR) |
NSN 5360-00-159-4612 is a Spring,helical,torsion, manufactured by Martin-Baker Aircraft Company Limited, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-159-4612 has 1 manufacturer part number on file: MB300-388 (Martin-Baker Aircraft Company Limited).
Key specifications for MB300-388: Spring Free Outside Diameter: 0.940 INCHES NOMINAL IN; Surface Treatment Document and Classification: DS301-14,CAGE 04253 MFR REF SINGLE TREATMENT RESPONSE OVERALL; End Style: HALF HOOK SECOND END; End Style: STRAIGHT OFFSET FIRST END. 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.