The Ring,welding,pipe Joint, cataloged under National Stock Number 3439-00-902-6034, is classified within Federal Supply Class 3439 (Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories) of the Metalworking Machinery (continued) group. The manufacturer of record is Amec Foster Wheeler North America Corp. Dba Foster Wheeler. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3439-00-902-6034 |
| Primary Part Number | 1218-616-55MK52 |
| Item Name | Ring,welding,pipe Joint |
| FSC / FSG | 3439 / 34 — Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories |
| Manufacturer | Amec Foster Wheeler North America Corp. Dba Foster Wheeler |
| Status | ACTIVE |
| Nominal Size | 1.500 INCHES IN |
| Pipe/tubing Type for Which Designed | STANDARD WEIGHT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1218-616-55-52 | Amec Foster Wheeler North America Corp. Dba Foster Wheeler (USA) |
| 1218-616-55MK52 PRIMARY | Amec Foster Wheeler North America Corp. Dba Foster Wheeler (USA) |
| Reference | Meaning |
|---|---|
| 1218-616-55-B | D/9 Drawing number reference only Amec Foster Wheeler North America Corp. Dba Foster Wheeler |
NSN 3439-00-902-6034 is a Ring,welding,pipe Joint, manufactured by Amec Foster Wheeler North America Corp. Dba Foster Wheeler, classified under FSC 3439, Miscellaneous Welding, Soldering, and Brazing Supplies and Accessories. Status: active.
NSN 3439-00-902-6034 has 2 manufacturer part numbers on file: 1218-616-55-52 (Amec Foster Wheeler North America Corp. Dba Foster Wheeler), 1218-616-55MK52 (Amec Foster Wheeler North America Corp. Dba Foster Wheeler).
Key specifications for 1218-616-55MK52: Nominal Size: 1.500 INCHES IN; Pipe/tubing Type for Which Designed: STANDARD WEIGHT. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.