The Tube Assembly,metal, cataloged under National Stock Number 4710-00-008-7236, 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 Dresser Industries Inc Leroi Div. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4710-00-008-7236 |
| Primary Part Number | AH55-1809 |
| Item Name | Tube Assembly,metal |
| FSC / FSG | 4710 / 47 — Pipe, Tube and Rigid Tubing |
| Manufacturer | Dresser Industries Inc Leroi Div |
| Status | ACTIVE |
| Seat Angle in Deg | 45.0 ALL ENDS |
| Design Form | PREBENT |
| Mating End Quantity | 2 ALL ENDS |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| End Connection Style | SWIVEL NUT, FLARED ALL ENDS |
| Tube Outside Diameter | 0.500 INCHES NOMINAL IN |
| Thread Class | 3B ALL ENDS |
| Material | COPPER ALL ENDS |
| Material | COPPER TUBING |
| Thread Series Designator | UNF ALL ENDS |
| 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 |
|---|---|
| AH55-1809 PRIMARY | Dresser Industries Inc Leroi Div (USA) |
| Reference | Meaning |
|---|---|
| AC20864 | 5/9 Secondary reference Dresser Industries Inc Leroi Div |
NSN 4710-00-008-7236 is a Tube Assembly,metal, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.
NSN 4710-00-008-7236 has 1 manufacturer part number on file: AH55-1809 (Dresser Industries Inc Leroi Div).
Key specifications for AH55-1809: Seat Angle in Deg: 45.0 ALL ENDS; Design Form: PREBENT; Mating End Quantity: 2 ALL ENDS; Nominal Thread Size: 0.750 INCHES ALL ENDS IN. 10 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.