The Tube,metallic, cataloged under National Stock Number 4710-00-926-4178, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-00-926-4178 |
| Primary Part Number | MIL-T-16420 70/30 CL 700 PSIL1 |
| Item Name | Tube,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Measuring Method and Length | 96.000 INCHES MINIMUM RANDOM AND 168.000 INCHES MAXIMUM RANDOM IN |
| First End Style | PLAIN |
| Heat Treatment | ANNEALED |
| Criticality Code Justification | ZZZX |
| Material Document and Classification | ASTM B111-62, ALLOY 70-30 ASSN STD SINGLE MATERIAL RESPONSE |
| Diameter | 6.605 INCHES MINIMUM AND 6.625 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | PLAIN ROUND |
| Wall Thickness | 0.259 INCHES MINIMUM IN |
| Operating Pressure | 700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Second End Relationship with First End | IDENTICAL |
| Departure From Cited Designator | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Nondefinitive Spec/std Data | I TYPE AND II GRADE AND 700 CLASS AND 70-30 COMPOSITION |
| 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 |
|---|---|
| MIL-T-16420 70/30 CL 700 PSIL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| MIL-T-16420 70/30 CL 700 PSI | 4/1 Identification reference U.S. Government activity |
NSN 4710-00-926-4178 is a Tube,metallic, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-00-926-4178 has 1 manufacturer part number on file: MIL-T-16420 70/30 CL 700 PSIL1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for MIL-T-16420 70/30 CL 700 PSIL1: Measuring Method and Length: 96.000 INCHES MINIMUM RANDOM AND 168.000 INCHES MAXIMUM RANDOM IN; First End Style: PLAIN; Heat Treatment: ANNEALED; Criticality Code Justification: ZZZX. 14 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.