The Union,tube, cataloged under National Stock Number 4730-01-196-3904, 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 Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn. Government technical data includes 16 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-196-3904 |
| Primary Part Number | LER832J0304 |
| Item Name | Union,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn |
| Status | ACTIVE |
| Connection Style | FLARELESS (TUBE) ALL ENDS |
| Nominal Overall Length | 1.625 INCHES IN |
| Connection Type | THREADED EXTERNAL TUBE SECOND END BULKHEAD |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 0.188 INCHES SECOND END IN |
| Nominal Thread Size | 0.375 INCHES SECOND END BULKHEAD IN |
| Nominal Thread Size | 0.375 INCHES SECOND END IN |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Seat Angle | 12.0 DEGREES ALL ENDS |
| Thread Class | 2A SECOND END BULKHEAD A |
| Thread Class | 2A ALL ENDS A |
| Material | STEEL COMP 304 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END BULKHEAD |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| 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 |
| Part Number | Manufacturer |
|---|---|
| LER832J0304 PRIMARY | Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn (USA) |
| AS1007J0304 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS1007J0304 | 5/9 Secondary reference United Supply Co Inc |
| AS1007J0304 | 5/9 Secondary reference U.S. Government activity |
| SAE-AS18280 | 5/1 Secondary reference Sae International Dba Sae International |
| ER832J0304 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| SAE-AS1007 | 3/1 Design control — primary reference Sae International Dba Sae International |
NSN 4730-01-196-3904 is a Union,tube, manufactured by Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-196-3904 has 2 manufacturer part numbers on file: LER832J0304 (Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn), AS1007J0304 (Sae International Dba Sae International).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-564-7267. Verify interchangeability with system specifications before substitution.
Key specifications for LER832J0304: Connection Style: FLARELESS (TUBE) ALL ENDS; Nominal Overall Length: 1.625 INCHES IN; Connection Type: THREADED EXTERNAL TUBE SECOND END BULKHEAD; Connection Type: THREADED EXTERNAL TUBE ALL ENDS. 16 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.