The Union,pipe to Tube, cataloged under National Stock Number 4730-00-008-8764, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-008-8764 |
| Item Name | Union,pipe to Tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | PLAIN (TUBE) FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Coupling Flange Shape | HEXAGON |
| Tubing Wall Nominal Thickness for Which Designed | 0.100 INCHES FIRST END IN |
| Nominal Overall Length | 2.560 INCHES IN |
| Style Designator | SCREWED |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST END IN |
| Seat Type | GASKET |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Material | STEEL BODY |
| Material | STEEL NUT |
| Material | COPPER ALLOY TAILPIECE |
| Thread Series Designator | NPT SECOND END |
| Reducer Type | CONCENTRIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| CS32 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4730-00-008-8764 is a Union,pipe to Tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 3010-00-111-3421, 5120-01-158-4526, 5305-01-362-9782. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-008-8764: Connection Style: PLAIN (TUBE) FIRST END; Connection Style: PLAIN (PIPE) SECOND END; Coupling Flange Shape: HEXAGON; Tubing Wall Nominal Thickness for Which Designed: 0.100 INCHES FIRST END IN. 14 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.