The Tee,tube to Boss, cataloged under National Stock Number 4730-01-050-8823, 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 23 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-050-8823 |
| Primary Part Number | PA784D10-10-04 |
| Item Name | Tee,tube to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TY 2,CL 3,BLUE MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | FLARED W/ GASKET SEAL (BOSS) SECOND END |
| Connection Style | GASKET SEAL (BOSS) FIRST END |
| Connection Style | FLARED W/ GASKET SEAL (BOSS) THIRD END |
| Connection Type | THREADED EXTERNAL BOSS THIRD END |
| Connection Type | THREADED INTERNAL BOSS FIRST END |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Material Document and Classification | QQ-A-367,T6 OR T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Leg Length | 1.180 INCHES NOMINAL FIRST END IN |
| Leg Length | 1.648 INCHES NOMINAL THIRD END IN |
| Leg Length | 2.398 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.438 INCHES THIRD END IN |
| Nominal Thread Size | 0.875 INCHES FIRST END IN |
| Nominal Thread Size | 0.875 INCHES SECOND END BULKHEAD IN |
| Nominal Thread Size | 0.875 INCHES SECOND END IN |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 3A SECOND END BULKHEAD A |
| Thread Class | 3A SECOND END A |
| Thread Class | 3A THIRD END A |
| Thread Class | 3B FIRST END |
| Material | ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 2014 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SECOND END BULKHEAD |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) 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 |
|---|---|
| PA784D10-10-04 PRIMARY | Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn (USA) |
| AS1032D101004 PRIMARY | Sae International Dba Sae International (USA) |
| 7M117D10-10-04 PRIMARY | The Boeing Company Div Defense (USA) |
| 100784D10-10-04 PRIMARY | Huck International, Inc (USA) |
| Reference | Meaning |
|---|---|
| AS1032D10-10-04 | 5/9 Secondary reference U.S. Government activity |
| SAE-AS4875/1 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 7M117 | D/9 Drawing number reference only The Boeing Company Div Defense |
| MCD784D10-10-04 | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| 100784D10-10-04 | 5/9 Secondary reference U.S. Government activity |
NSN 4730-01-050-8823 is a Tee,tube to Boss, manufactured by Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-050-8823 has 4 manufacturer part numbers on file: PA784D10-10-04 (Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn), AS1032D101004 (Sae International Dba Sae International), 7M117D10-10-04 (The Boeing Company Div Defense), 100784D10-10-04 (Huck International, Inc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-184-6976. Verify interchangeability with system specifications before substitution.
Key specifications for PA784D10-10-04: Surface Treatment Document and Classification: MIL-A-8625,TY 2,CL 3,BLUE MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: FLARED W/ GASKET SEAL (BOSS) SECOND END; Connection Style: GASKET SEAL (BOSS) FIRST END; Connection Style: FLARED W/ GASKET SEAL (BOSS) THIRD END. 23 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.