The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-684-9629, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47) |
| Manufacturers | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); Bath Iron Works Corporation (CAGE 70876) |
| Parameter | Value |
|---|---|
| NSN | 4730-01-684-9629 |
| Primary Part Number | STBD-976A406 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 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 |
|---|---|
| STBD-976A406 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 19299-015 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 19299-015 | Bath Iron Works Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6221277/SHEET 323C | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 505-6221277 REV AD P/N 19299-015 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 4730-01-684-9629 is a Coupling Half,quick Disconnect, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-684-9629 has 3 manufacturer part numbers on file: STBD-976A406 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 19299-015 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 19299-015 (Bath Iron Works Corporation).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-684-9639, 4730-01-684-9680, 4820-01-685-0321. Verify interchangeability with system specifications before substitution.
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.