The Tube Assembly,metal, cataloged under National Stock Number 4710-01-320-8556, 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 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 4710-01-320-8556 |
| Primary Part Number | 11282647 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions |
| Status | ACTIVE |
| Seat Angle in Deg | 33.0 FIRST END |
| Design Form | PREBENT |
| Mating End Quantity | 2 SINGLE END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| End Connection Style | SWIVEL NUT WITH COMPRESSION SLEEVE FIRST END |
| End Connection Style | PLAIN SECOND END |
| Tube Outside Diameter | 0.500 INCHES NOMINAL IN |
| Thread Class | 3B FIRST END |
| Material | STEEL CORROSION RESISTING SINGLE END |
| Material | STEEL CORROSION RESISTING TUBING |
| 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 |
|---|---|
| 6309908-128 | Naval Sea Systems Command (USA) |
| 6309908-128 | Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road) (USA) |
| 11282647 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| Reference | Meaning |
|---|---|
| 11282647 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 6309908 | D/9 Drawing number reference only Naval Sea Systems Command |
| 11282647 | 5/9 Secondary reference U.S. Government activity |
NSN 4710-01-320-8556 is a Tube Assembly,metal, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-01-320-8556 has 3 manufacturer part numbers on file: 6309908-128 (Naval Sea Systems Command), 6309908-128 (Honeywell International Inc. Dba Honeywell International Div Aerospace - Tempe (west Warner Road)), 11282647 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).
6 possible matches (shared part number, not a government interchangeability claim): 4820-01-321-5359, 4730-01-321-6285, 4710-01-321-6372. Verify interchangeability with system specifications before substitution.
Key specifications for 11282647: Seat Angle in Deg: 33.0 FIRST END; Design Form: PREBENT; Mating End Quantity: 2 SINGLE END; Thread Direction: RIGHT-HAND FIRST END. 11 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.