The Nut,union, cataloged under National Stock Number 4730-01-067-3423, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-067-3423 |
| Primary Part Number | 2620-908X1PC2REVFASSYR-1IN |
| Item Name | Nut,union |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Electric Boat Corporation Div General Dynamics Electric Boat |
| Status | ACTIVE |
| Thread Pitch Diameters | +1.7094 TO 1.7163 INCHES IN |
| Shoulder Step Width | 0.313 INCHES NOMINAL IN |
| Thread Series | UN |
| Thread Quantity Per Inch | 16 |
| Nominal Thread Size | 1.750 INCHES IN |
| Maximum Working Pressure Rating and Service for Which Designed | 3000.0 POUNDS PER SQUARE INCH (PSI) OIL LBS |
| Nut Style | HEXAGON |
| Shoulder Seat Diameter | 2.219 INCHES NOMINAL IN |
| Width Across Flats | 2.750 INCHES NOMINAL IN |
| Nut Height | 2.281 INCHES NOMINAL IN |
| Smallest Inside Diameter | 2.035 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Material Document and Classification | MIL-S-16124 CLASS 1,COMP A MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SS845-1889535PC | Naval Sea Systems Command (USA) |
| 2620-908X1 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2620-908X1PC2REVFASSYR-1IN PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2620-908X1PC2REVFASSYR | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2620-908X1PC2REVFASSYR | John Evans' Sons, Incorporated (USA) |
NSN 4730-01-067-3423 is a Nut,union, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-067-3423 has 5 cross-referenced part numbers: SS845-1889535PC (Naval Sea Systems Command), 2620-908X1 (Electric Boat Corporation Div General Dynamics Electric Boat), 2620-908X1PC2REVFASSYR-1IN (Electric Boat Corporation Div General Dynamics Electric Boat), 2620-908X1PC2REVFASSYR (Electric Boat Corporation Div General Dynamics Electric Boat), 2620-908X1PC2REVFASSYR (John Evans' Sons, Incorporated).
There are 2 known substitutes for 4730-01-067-3423: 4820-01-107-4010, 4820-01-202-9453. Verify interchangeability with system specifications before substitution.
Key specifications for 2620-908X1PC2REVFASSYR-1IN: Thread Pitch Diameters: +1.7094 TO 1.7163 INCHES IN; Shoulder Step Width: 0.313 INCHES NOMINAL IN; Thread Series: UN; Thread Quantity Per Inch: 16. 14 total characteristics are documented in the Federal Logistics Information System.