The Nut,union, cataloged under National Stock Number 4730-01-415-4938, 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. Government technical data includes 6 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4730-01-415-4938 |
| Primary Part Number | 6405732 FIND 60-3 |
| Item Name | Nut,union |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Thread Series | UN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.188 INCHES IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 12 |
| Material | NICKEL ALLOY OVERALL |
| 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 |
|---|---|
| 211025833 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 6405732 FIND 60-3 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 6405732 | D/9 Drawing number reference only Naval Sea Systems Command |
| DF2018-96 | D/9 Drawing number reference only Huntington Ingalls Inc Div Newport News Shipbuilding |
| 6405732 FIND 66-2 | 5/9 Secondary reference Naval Sea Systems Command |
| DF330769 FN 11-1 | 5/9 Secondary reference Huntington Ingalls Inc Div Newport News Shipbuilding |
| DF330769-11-1 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 4730-01-415-4938 is a Nut,union, manufactured by Naval Sea Systems Command, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-415-4938 has 2 manufacturer part numbers on file: 211025833 (Huntington Ingalls Inc Div Newport News Shipbuilding), 6405732 FIND 60-3 (Naval Sea Systems Command).
3 possible matches (shared part number, not a government interchangeability claim): 3040-01-415-9544, 3040-01-415-9551, 3040-01-415-9554. Verify interchangeability with system specifications before substitution.
Key specifications for 6405732 FIND 60-3: Thread Series: UN; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.188 INCHES IN; Thread Class: 2B. 6 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.