The Tube,metallic, cataloged under National Stock Number 4710-00-339-2536, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 47 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-00-339-2536 |
| Primary Part Number | N451PC121 |
| Item Name | Tube,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| Status | ACTIVE |
| Measuring Method and Length | 26.500 INCHES NOMINAL SPECIFIC IN |
| First End Style | PLAIN |
| Diameter | 0.750 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | PLAIN ROUND |
| Wall Thickness | 0.042 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Material | COPPER |
| Construction | SEAMLESS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| N451PC121 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| N513PC121 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| N346PC121 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| N358PC121 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| N475PC121 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| PC461S49-300PC121 | 3/2 Design control — primary reference U.S. Government activity |
| F4689PC121 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| N565PC121 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| N440PC121 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| N599PC121 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| N335PC121 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| N359PC121 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| N513PC121 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| N451PC121 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| N410PC121 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| N347PC121 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| N534PC121 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| F4688PC121 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| N499PC121 | 5/9 Secondary reference Ingersoll Rand Co |
| PC497S49-58PC121 | 3/2 Design control — primary reference U.S. Government activity |
| N534PC121 | 5/9 Secondary reference Ingersoll Rand Co |
| N440PC121 | 5/9 Secondary reference Ingersoll Rand Co |
| N409PC121 | 5/9 Secondary reference U.S. Government activity |
NSN 4710-00-339-2536 is a Tube,metallic, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-00-339-2536 has 3 manufacturer part numbers on file: N451PC121 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), N513PC121 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), N346PC121 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).
Key specifications for N451PC121: Measuring Method and Length: 26.500 INCHES NOMINAL SPECIFIC IN; First End Style: PLAIN; Diameter: 0.750 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN ROUND. 8 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.