The Tube,metallic, cataloged under National Stock Number 4710-01-287-9178, 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 Naval Inventory Control Point Mechanicsburg. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-287-9178 |
| Primary Part Number | MILT16420 2.875DX.630WT L1 |
| Item Name | Tube,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Heat Treatment | COLD WORKED AND ANNEALED |
| Criticality Code Justification | ZZZX |
| Material Document and Classification | MIL-C-15726, COMP 70-30 MIL SPEC SINGLE MATERIAL RESPONSE |
| Operating Pressure | 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Departure From Cited Designator | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Nondefinitive Spec/std Data | 1 TYPE AND 2 GRADE AND 6000 CLASS |
| Material | COPPER ALLOY |
| Construction | SEAMLESS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| MILT16420 2.875DX.630WT L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| MIL-T-16420 L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| MIL-T-16240L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| MIL-T-16420 | 4/1 Identification reference U.S. Government activity |
NSN 4710-01-287-9178 is a Tube,metallic, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-287-9178 has 2 manufacturer part numbers on file: MILT16420 2.875DX.630WT L1 (Naval Inventory Control Point Mechanicsburg), MIL-T-16420 L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for MILT16420 2.875DX.630WT L1: Heat Treatment: COLD WORKED AND ANNEALED; Criticality Code Justification: ZZZX; Material Document and Classification: MIL-C-15726, COMP 70-30 MIL SPEC SINGLE MATERIAL RESPONSE; Operating Pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS. 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.