The Coupling,shaft,rigid, cataloged under National Stock Number 3010-01-497-4399, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3010-01-497-4399 |
| Primary Part Number | H553-1504-A3SS |
| Item Name | Coupling,shaft,rigid |
| FSC / FSG | 3010 / 30 — Torque Converters and Speed Changers |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Style Designator | PLAIN FLANGE |
| Reference Number Differentiating Characteristics | NAVSEA0941-048-3010 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| H553-1504-A3SS | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 754-7066814-A3 | 5/1 Secondary reference Naval Sea Systems Command |
| 7066814 | D/9 Drawing number reference only Naval Sea Systems Command |
| H553-1504-A3 | 3/1 Design control — primary reference U.S. Government activity |
NSN 3010-01-497-4399 is a Coupling,shaft,rigid, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.
NSN 3010-01-497-4399 has 1 manufacturer part number on file: H553-1504-A3SS (Naval Inventory Control Point Mechanicsburg).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-501-7382. Verify interchangeability with system specifications before substitution.
Key specifications for H553-1504-A3SS: Criticality Code Justification: ZZZY; Style Designator: PLAIN FLANGE; Special Features: QUALITY CONTROLLED IAW NAVSEA0948-048-7010; End Item Identification: DOOR ASSEMBLY. 3 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.