The Tube,bent,metallic, cataloged under National Stock Number 4710-00-138-4012, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 11 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 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 | 4710-00-138-4012 |
| Primary Part Number | 11657348 |
| Item Name | Tube,bent,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| First End Bead Outside Diameter | 0.423 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN |
| First End Style | OUTSIDE BEADED |
| Diameter | 0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | PLAIN ROUND |
| Wall Thickness | 0.048 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN |
| Second End Relationship with First End | IDENTICAL |
| First End Bead Width | 0.025 INCHES NOMINAL IN |
| Material | STEEL |
| First End Length From Bead Center to End | 0.750 INCHES NOMINAL IN |
| First End Outside Diameter | 0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN |
| 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 |
NSN 4710-00-138-4012 is a Tube,bent,metallic, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-00-138-4012 has 2 manufacturer part numbers on file: 944069 (Am General Llc), 11657348 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 6630-01-481-2658. Verify interchangeability with system specifications before substitution.
Key specifications for 11657348: First End Bead Outside Diameter: 0.423 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN; First End Style: OUTSIDE BEADED; Diameter: 0.375 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN; Cross-Sectional Shape Style: PLAIN ROUND. 11 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.