The Insert,flexible Coupling, cataloged under National Stock Number 3010-01-470-3657, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3010-01-470-3657 |
| Primary Part Number | 7D8-05388 |
| Item Name | Insert,flexible Coupling |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Material | RUBBER |
| 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 |
|---|---|
| 0330482 | Rexnord Industries Llc (USA) |
| 7D8-05388 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5D3-04012-16 | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
| 5D3-03871 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
NSN 3010-01-470-3657 is a Insert,flexible Coupling, manufactured by Lake Shore Systems, Inc., classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-470-3657 has 2 manufacturer part numbers on file: 0330482 (Rexnord Industries Llc), 7D8-05388 (Lake Shore Systems, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-470-5494. Verify interchangeability with system specifications before substitution.
Key specifications for 7D8-05388: Special Features: ITEM IS NYLON FABRIC COATED WITH NATURAL RUBBER;E/I CAPSTAN ASSEM BLY; End Item Identification: SEAWOLF CLASS SSN; Material: RUBBER. 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.