The Tube,metallic, cataloged under National Stock Number 4710-01-238-1618, 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 Hersh Packing & Rubber Co. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4710-01-238-1618 |
| Primary Part Number | U-120-1 3/4IN.ID. |
| Item Name | Tube,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Hersh Packing & Rubber Co |
| Status | ACTIVE |
| First End Style | PLAIN |
| Diameter | 2.000 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | PLAIN ROUND |
| Wall Thickness | 0.250 INCHES NOMINAL IN |
| Second End Relationship with First End | IDENTICAL |
| Material | STEEL |
| 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 |
|---|---|
| U-120-1 3/4IN.ID. PRIMARY | Hersh Packing & Rubber Co (USA) |
| Reference | Meaning |
|---|---|
| U-120-1 3/4IN.ID. | 5/2 Secondary reference U.S. Government activity |
| U120 | 5/9 Secondary reference American Brass Mfg Co |
NSN 4710-01-238-1618 is a Tube,metallic, manufactured by Hersh Packing & Rubber Co, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-238-1618 has 1 manufacturer part number on file: U-120-1 3/4IN.ID. (Hersh Packing & Rubber Co).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-588-2453. Verify interchangeability with system specifications before substitution.
Key specifications for U-120-1 3/4IN.ID.: First End Style: PLAIN; Diameter: 2.000 INCHES NOMINAL IN; Cross-Sectional Shape Style: PLAIN ROUND; Wall Thickness: 0.250 INCHES NOMINAL IN. 7 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.