The Union,pipe, cataloged under National Stock Number 4730-01-129-8017, 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 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 | 4730-01-129-8017 |
| Primary Part Number | 2621-791-03ASSY121 |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Electric Boat Corporation Div General Dynamics Electric Boat |
| Status | ACTIVE |
| Material Document and Classification | MIL-C-15726,70-30 MIL SPEC SINGLE MATERIAL RESPONSE THREAD PIECE |
| Material Document and Classification | QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE NUT |
| Material | COPPER ALLOY TAILPIECE |
| Nominal Overall Length | 5.250 INCHES IN |
| Material | COPPER ALLOY THREAD PIECE |
| Style Designator | UNTHREADED |
| Nominal Pipe Size Accommodated | 2.000 INCHES ALL ENDS IN |
| Operating Pressure | 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | NICKEL ALLOY NUT |
| Furnished Items and Quantity | 1 PREFORMED PACKING |
| Connection Style | SOCKET (PIPE) ALL ENDS |
| Connection Type | UNTHREADED INTERNAL PIPE ALL ENDS |
| Material Document and Classification | MIL-C-15726,70-30 MIL SPEC SINGLE MATERIAL RESPONSE TAILPIECE |
| Seat Type | GASKET |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 15-97-5379 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 209-4642062 | Naval Ship Systems Command (USA) |
| 209-4642062 ITEM F3 | Naval Ship Systems Command (USA) |
| 2621-791-03 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| 2621-791-03ASSY121 PRIMARY | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
NSN 4730-01-129-8017 is a Union,pipe, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-129-8017 has 5 cross-referenced part numbers: 15-97-5379 (Electric Boat Corporation Div General Dynamics Electric Boat), 209-4642062 (Naval Ship Systems Command), 209-4642062 ITEM F3 (Naval Ship Systems Command), 2621-791-03 (Electric Boat Corporation Div General Dynamics Electric Boat), 2621-791-03ASSY121 (Electric Boat Corporation Div General Dynamics Electric Boat).
There are 3 known substitutes for 4730-01-129-8017: 4730-01-089-2907, 4730-01-096-6388, 9390-01-202-5606. Verify interchangeability with system specifications before substitution.
Key specifications for 2621-791-03ASSY121: Material Document and Classification: MIL-C-15726,70-30 MIL SPEC SINGLE MATERIAL RESPONSE THREAD PIECE; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE NUT; Material: COPPER ALLOY TAILPIECE; Nominal Overall Length: 5.250 INCHES IN. 14 total characteristics are documented in the Federal Logistics Information System.