The Tube Assembly,metal, cataloged under National Stock Number 4710-01-286-2400, 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 Connecticut Valley Industries, Llc Dba Connecticut Valley Industries. Government technical data includes 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-286-2400 |
| Primary Part Number | 523290-1-20 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Connecticut Valley Industries, Llc Dba Connecticut Valley Industries |
| Status | ACTIVE |
| Seat Angle in Deg | 45.0 SINGLE END |
| Design Form | STRAIGHT |
| Mating End Quantity | 2 SINGLE END |
| Wall Thickness | 0.065 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SINGLE END |
| Nominal Thread Size | 0.250 INCHES SINGLE END IN |
| End Connection Style | INVERTED FLARE SINGLE END |
| Tube Outside Diameter | 0.250 INCHES NOMINAL IN |
| Thread Class | 2A SINGLE END A |
| Material | STEEL TUBING |
| Material | STEEL SINGLE END |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE END |
| 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 |
|---|---|
| 523290-1-20 PRIMARY | Connecticut Valley Industries, Llc Dba Connecticut Valley Industries (USA) |
| Reference | Meaning |
|---|---|
| 230-0205-0112 | D/9 Drawing number reference only Amphenol Corporation Dba Amphenol Aerospace Industrial Div Amphenol Aerospace/pyle National |
| 230-0205-0112 | 5/9 Secondary reference U.S. Government activity |
| 230-0205-0112 | 5/9 Secondary reference Hubbell Harvey Inc |
| 230-0205-0112 | 5/9 Secondary reference Harvey Hubbell Inc |
NSN 4710-01-286-2400 is a Tube Assembly,metal, manufactured by Connecticut Valley Industries, Llc Dba Connecticut Valley Industries, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-286-2400 has 1 manufacturer part number on file: 523290-1-20 (Connecticut Valley Industries, Llc Dba Connecticut Valley Industries).
Key specifications for 523290-1-20: Seat Angle in Deg: 45.0 SINGLE END; Design Form: STRAIGHT; Mating End Quantity: 2 SINGLE END; Overall Length: 4.125 INCHES NOMINAL IN. 12 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.