The Actuator,coupling a, cataloged under National Stock Number 4730-01-451-9721, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-451-9721 |
| Primary Part Number | 167-6404610 FIND 138 |
| Item Name | Actuator,coupling a |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| 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 |
|---|---|
| 167-6404610 FIND 138 PRIMARY | Naval Sea Systems Command (USA) |
| 167-6404610-138 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6404610 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4730-01-451-9721 is a Actuator,coupling a, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-451-9721 has 2 manufacturer part numbers on file: 167-6404610 FIND 138 (Naval Sea Systems Command), 167-6404610-138 (Naval Sea Systems Command).
Key specifications for 167-6404610 FIND 138: Special Features: STARBOARD SIDE; End Item Identification: SEAWOLF CLASS SSN. 0 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.