The Union,pipe, cataloged under National Stock Number 4730-01-023-7729, 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 Flowserve Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-01-023-7729 |
| Primary Part Number | SW-1931 1/2IN |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Flowserve Inc |
| Status | CANCELLED |
| Nominal Pipe Size Accommodated | 0.500 INCHES ALL ENDS IN |
| Seat Type | BEVELED |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Reducer Type | CONCENTRIC |
| Pipe Wall Thickness Designation for Which Designed | SCHEDULE 80 ALL ENDS |
| Coupling Flange Shape | HEXAGON |
| Nominal Overall Length | 1.938 INCHES IN |
| Material Document and Classification | ASTM A105,GR2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL OVERALL |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| SW-1931 1/2IN PRIMARY | Flowserve Inc (USA) |
| MSS SP-83 | Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA) |
| SW2220 1/2 IN | Flowserve Inc (USA) |
NSN 4730-01-023-7729 is a Union,pipe, manufactured by Flowserve Inc, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-01-023-7729 has 3 cross-referenced part numbers: SW-1931 1/2IN (Flowserve Inc), MSS SP-83 (Manufacturers Standardization Society of the Valve and Fittings Industry Inc), SW2220 1/2 IN (Flowserve Inc).
There are 2 known substitutes for 4730-01-023-7729: 4730-00-822-4775, 4730-00-841-9562. Verify interchangeability with system specifications before substitution.
Key specifications for SW-1931 1/2IN: Nominal Pipe Size Accommodated: 0.500 INCHES ALL ENDS IN; Seat Type: BEVELED; Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS; Reducer Type: CONCENTRIC. 11 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-01-023-7729 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.