The Swivel Joint,hydraulic, cataloged under National Stock Number 4730-00-659-8971, 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 Arkwin Industries, Inc. Dba Arkwin Industries Inc. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-659-8971 |
| Primary Part Number | 52-123-2 |
| Item Name | Swivel Joint,hydraulic |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Arkwin Industries, Inc. Dba Arkwin Industries Inc |
| Status | ACTIVE |
| Thread Class | 3A SECOND END A |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Maximum Operating Temp | 275.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END |
| Leg Length | 1.960 INCHES NOMINAL FIRST END IN |
| Seat Nominal Radius | 0.062 INCHES SECOND END IN |
| Thread Class | 3B FIRST END |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Leg Length | 1.612 INCHES NOMINAL SECOND END IN |
| Connection Style | FLARED (TUBE) FIRST END |
| Thread Quantity Per Inch | 16 FIRST END |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UN FIRST END |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Seat Angle | 37.0 DEGREES SECOND END |
| Style Designator | SINGLE JOINT, DOUBLE ELBOW DESIGN |
| Surface Treatment | ANODIZE OVERALL |
| Nominal Thread Size | 0.688 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES SECOND END IN |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 57F903648-2 | Northrop Grumman Systems Corporation (USA) |
| 52-123-2 PRIMARY | Arkwin Industries, Inc. Dba Arkwin Industries Inc (USA) |
NSN 4730-00-659-8971 is a Swivel Joint,hydraulic, manufactured by Arkwin Industries, Inc. Dba Arkwin Industries Inc, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-659-8971 has 2 cross-referenced part numbers: 57F903648-2 (Northrop Grumman Systems Corporation), 52-123-2 (Arkwin Industries, Inc. Dba Arkwin Industries Inc).
There are 3 known substitutes for 4730-00-659-8971: 6625-00-440-0693, 2840-00-948-0989, 2990-01-061-0897. Verify interchangeability with system specifications before substitution.
Key specifications for 52-123-2: Thread Class: 3A SECOND END A; Connection Type: THREADED INTERNAL TUBE FIRST END; Maximum Operating Temp: 275.0 FAHRENHEIT SINGLE RESPONSE DEGF; Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END. 20 total characteristics are documented in the Federal Logistics Information System.