The Tube and Fittings,metallic, cataloged under National Stock Number 4710-01-377-6580, 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 Department of Defense Project Manager-Mobile Electric Power. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-377-6580 |
| Primary Part Number | 88-20178 |
| Item Name | Tube and Fittings,metallic |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Department of Defense Project Manager-Mobile Electric Power |
| Status | ACTIVE |
| Seat Angle in Deg | 37.0 SINGLE END |
| Design Form | PREBENT |
| Mating End Quantity | 1 SINGLE END |
| Wall Thickness | 0.060 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SINGLE END |
| Nominal Thread Size | 0.250 INCHES SINGLE END IN |
| End Connection Style | FLARED SINGLE END |
| Tube Outside Diameter | 0.250 INCHES NOMINAL IN |
| Thread Class | 2A SINGLE END A |
| Material | STEEL TUBING |
| Material | STEEL CORROSION RESISTING SINGLE END |
| Thread Series Designator | NPTF SINGLE END |
| End Connection Spec/std | MIL, MS51500B, PART NO. MS51500B4-4S |
| 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 |
|---|---|
| 88-20178 PRIMARY | Department of Defense Project Manager-Mobile Electric Power (USA) |
NSN 4710-01-377-6580 is a Tube and Fittings,metallic, manufactured by Department of Defense Project Manager-Mobile Electric Power, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-377-6580 has 1 manufacturer part number on file: 88-20178 (Department of Defense Project Manager-Mobile Electric Power).
Key specifications for 88-20178: Seat Angle in Deg: 37.0 SINGLE END; Design Form: PREBENT; Mating End Quantity: 1 SINGLE END; Wall Thickness: 0.060 INCHES NOMINAL IN. 13 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.