The Pipe,metallic, cataloged under National Stock Number 4710-01-425-2137, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-425-2137 |
| Item Name | Pipe,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Status | ACTIVE |
| Measuring Method and Length | 2.312 INCHES NOMINAL SPECIFIC IN |
| Nominal Pipe Size Designation | 1.000 INCHES IN |
| Second End Nominal Thread Size | 1.000 INCHES IN |
| Wall Thickness Designation | SCHEDULE 40 |
| First End Style | PLAIN |
| Material Document and Classification | ASTM A312, GRADE T+304 ASSN STD SINGLE MATERIAL RESPONSE |
| Diameter | 1.315 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | PLAIN ROUND |
| Wall Thickness | 0.133 INCHES NOMINAL IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Second End Style | THREADED EXTERNAL |
| Material | STEEL COMP 304 |
| Second End Thread Series | NPT |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY SPECIAL FEATURES |
| 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 |
| Reference | Meaning |
|---|---|
| 1602AS256 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 1602AS256-1 | 3/1 Design control — primary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 4710-01-425-2137 is a Pipe,metallic, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4710-01-425-2142. Verify interchangeability with system specifications before substitution.
Key specifications for 4710-01-425-2137: Measuring Method and Length: 2.312 INCHES NOMINAL SPECIFIC IN; Nominal Pipe Size Designation: 1.000 INCHES IN; Second End Nominal Thread Size: 1.000 INCHES IN; Wall Thickness Designation: SCHEDULE 40. 15 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.