The Tube Assembly,metal, cataloged under National Stock Number 4710-01-439-8875, 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 Northrop Grumman Systems Corporation. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-439-8875 |
| Primary Part Number | 123EC51145-7 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Seat Angle in Deg | 33.0 FIRST END |
| Seat Angle in Deg | 45.0 SECOND END |
| Design Form | STRAIGHT |
| Mating End Quantity | 1 SECOND END |
| Mating End Quantity | 1 FIRST END |
| Material Document and Classification | MIL-T-8808 MIL SPEC SINGLE MATERIAL RESPONSE TUBING |
| Material Document and Classification | MIL-T-8808 MIL SPEC SINGLE MATERIAL RESPONSE SINGLE END |
| Wall Thickness | 0.028 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SINGLE END |
| Nominal Thread Size | 0.875 INCHES SINGLE END IN |
| End Connection Style | FLARED SECOND END |
| End Connection Style | SWIVEL NUT WITH COMPRESSION SLEEVE FIRST END |
| Tube Outside Diameter | 0.625 INCHES NOMINAL IN |
| Thread Class | 3A SECOND END A |
| Thread Class | 3B FIRST END |
| Material | STEEL CORROSION RESISTING SINGLE END |
| Material | STEEL CORROSION RESISTING TUBING |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
|---|---|
| 123EC51145-7 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123EC51145 | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
| 123EC51145-7 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 4710-01-439-8875 is a Tube Assembly,metal, manufactured by Northrop Grumman Systems Corporation, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-439-8875 has 1 manufacturer part number on file: 123EC51145-7 (Northrop Grumman Systems Corporation).
Key specifications for 123EC51145-7: Seat Angle in Deg: 33.0 FIRST END; Seat Angle in Deg: 45.0 SECOND END; Design Form: STRAIGHT; Mating End Quantity: 1 SECOND END. 18 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.