The Nut,union, cataloged under National Stock Number 4730-01-378-3127, 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 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 16 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-378-3127 |
| Primary Part Number | SW106-27 |
| Item Name | Nut,union |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| Status | ACTIVE |
| Width Across Flats | 3.391 INCHES NOMINAL IN |
| Shoulder Step Width | 0.220 INCHES NOMINAL IN |
| Shoulder Width | 0.220 INCHES NOMINAL IN |
| Thread Series | UNS |
| Temp Rating | 150.0 FAHRENHEIT NOMINAL DEGF |
| Material Document and Classification | ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE OR MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Maximum Working Pressure Rating and Service for Which Designed | 400.0 POUNDS PER SQUARE INCH (PSI) WATER LBS |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.500 INCHES IN |
| Nut Height | 1.062 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 10 |
| Material | COPPER ALLOY OVERALL |
| Smallest Inside Diameter | 2.520 INCHES NOMINAL IN |
| Shoulder Seat Diameter | 2.921 INCHES NOMINAL IN |
| 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 |
|---|---|
| SW106-27 PRIMARY | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| C03890.207.130 | Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA) |
| Reference | Meaning |
|---|---|
| C03890.207.130 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
| MIL-F-24227 FIG | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| MIL-F-24227 | 4/1 Identification reference U.S. Government activity |
| SW106-27 | 5/9 Secondary reference Anderson Greenwood Lp Dba Anderson Greenwood Crosby |
NSN 4730-01-378-3127 is a Nut,union, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-378-3127 has 2 manufacturer part numbers on file: SW106-27 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), C03890.207.130 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).
7 possible matches (shared part number, not a government interchangeability claim): 4730-01-437-2541, 4730-01-564-6214, 4730-01-564-6404. Verify interchangeability with system specifications before substitution.
Key specifications for SW106-27: Width Across Flats: 3.391 INCHES NOMINAL IN; Shoulder Step Width: 0.220 INCHES NOMINAL IN; Shoulder Width: 0.220 INCHES NOMINAL IN; Thread Series: UNS. 16 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.