The Union,tube, cataloged under National Stock Number 4730-01-696-7159, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Stewart & Stevenson Power Products Llc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4730-01-696-7159 |
| Primary Part Number | 20 F50HA0-5 |
| Item Name | Union,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Stewart & Stevenson Power Products Llc |
| Status | ACTIVE |
| Nominal Overall Length | 2.13 INCHES IN |
| Connection Type | THREADED EXTERNAL BOSS ALL ENDS |
| Style Designator | CENTER WRENCHING FACILITY |
| Nominal Thread Size | 1.625 INCHES ALL ENDS IN |
| Surface Treatment | ZINC OVERALL |
| Thread Quantity Per Inch | 12 ALL ENDS |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 20 F50HA0-5 PRIMARY | Stewart & Stevenson Power Products Llc (USA) |
| Reference | Meaning |
|---|---|
| 11E421431 | 7/2 Vendor item drawing reference Combat Capabilities Development Command Armaments Center Dba Us Army Combat Capabilities Development Command Armaments Center |
NSN 4730-01-696-7159 is a Union,tube, manufactured by Stewart & Stevenson Power Products Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-696-7159 has 1 manufacturer part number on file: 20 F50HA0-5 (Stewart & Stevenson Power Products Llc).
Key specifications for 20 F50HA0-5: Nominal Overall Length: 2.13 INCHES IN; Connection Type: THREADED EXTERNAL BOSS ALL ENDS; Style Designator: CENTER WRENCHING FACILITY; Nominal Thread Size: 1.625 INCHES ALL ENDS IN. 7 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.