The Insert,flexible Coupling, cataloged under National Stock Number 3010-01-237-8382, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lo-Rez Vibration Control Ltd. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3010-01-237-8382 |
| Primary Part Number | RT-3803-1 |
| Item Name | Insert,flexible Coupling |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Lo-Rez Vibration Control Ltd |
| Status | ACTIVE |
| Overall Outside Diameter | 3.187 INCHES NOMINAL IN |
| 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 |
|---|---|
| RT-3800-7A IM 3 | Lo-Rez Vibration Control Ltd (CAN) |
| RT-3803-1 PRIMARY | Lo-Rez Vibration Control Ltd (CAN) |
| Reference | Meaning |
|---|---|
| RT-3800-7A | D/9 Drawing number reference only Lo-Rez Vibration Control Ltd |
NSN 3010-01-237-8382 is a Insert,flexible Coupling, manufactured by Lo-Rez Vibration Control Ltd, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-237-8382 has 2 manufacturer part numbers on file: RT-3800-7A IM 3 (Lo-Rez Vibration Control Ltd), RT-3803-1 (Lo-Rez Vibration Control Ltd).
1 possible match (shared part number, not a government interchangeability claim): 3010-01-237-8383. Verify interchangeability with system specifications before substitution.
Key specifications for RT-3803-1: Overall Outside Diameter: 3.187 INCHES NOMINAL IN; Special Features: LAMINATED CONSTRUCTION FEATURE-NOT INCL.; Material: RUBBER SYNTHETIC. 2 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.