The Tube Assembly,metal, cataloged under National Stock Number 4710-01-319-8071, 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 Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-01-319-8071 |
| Primary Part Number | K845027 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| Status | ACTIVE |
| Seat Angle in Deg | 33.0 SINGLE END |
| Design Form | PREBENT |
| Mating End Quantity | 2 SINGLE END |
| Thread Direction | RIGHT-HAND SINGLE END |
| Nominal Thread Size | 0.437 INCHES SINGLE END IN |
| End Connection Style | SWIVEL NUT WITH COMPRESSION SLEEVE SINGLE END |
| Tube Outside Diameter | 0.250 INCHES NOMINAL IN |
| Thread Class | 3B SINGLE END |
| Material | STEEL TUBING |
| Material | STEEL SINGLE END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SINGLE END |
| End Connection Spec/std | MIL,MS20819,PART NO. MS20819J |
| 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 |
|---|---|
| 6309956-126 | Naval Sea Systems Command (USA) |
| K845027 PRIMARY | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| K845027 | 5/9 Secondary reference Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| K845027 | 3/9 Design control — primary reference Davey Compressor Co Div of Keco Industries Inc |
| 6309956 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4710-01-319-8071 is a Tube Assembly,metal, manufactured by Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-319-8071 has 2 manufacturer part numbers on file: 6309956-126 (Naval Sea Systems Command), K845027 (Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc).
2 possible matches (shared part number, not a government interchangeability claim): 4420-01-320-2718, 4730-01-392-0371. Verify interchangeability with system specifications before substitution.
Key specifications for K845027: Seat Angle in Deg: 33.0 SINGLE END; Design Form: PREBENT; Mating End Quantity: 2 SINGLE END; Thread Direction: RIGHT-HAND SINGLE END. 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.