The Insert,flexible Coupling, cataloged under National Stock Number 3010-01-536-8237, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Magnaloy Coupling Co Div of Douville-Johnston Corp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 3010-01-536-8237 |
| Primary Part Number | M270N |
| Item Name | Insert,flexible Coupling |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Magnaloy Coupling Co Div of Douville-Johnston Corp |
| Status | ACTIVE |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| M270N PRIMARY | Magnaloy Coupling Co Div of Douville-Johnston Corp (USA) |
| Reference | Meaning |
|---|---|
| 17-2-0231-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| 17-2-0231 | D/9 Drawing number reference only U.S. Government activity |
NSN 3010-01-536-8237 is a Insert,flexible Coupling, manufactured by Magnaloy Coupling Co Div of Douville-Johnston Corp, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-536-8237 has 1 manufacturer part number on file: M270N (Magnaloy Coupling Co Div of Douville-Johnston Corp).
Key specifications for M270N: End Item Identification: CHEMICAL BIOLOGICAL PROTECTIVE SHELTER 5410-01-441-8054; Material: RUBBER SYNTHETIC. 1 specification is 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.