The Tee,tube, cataloged under National Stock Number 4730-01-076-8574, 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 25 specifications, cited from the U.S. Government catalog. 13 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-076-8574 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Flow Angle | 90.0 DEGREES |
| Surface Treatment Document and Classification | MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | SWIVEL NUT FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL)(TUBE) THIRD END |
| Connection Style | FLARELESS (TUBE) SECOND END |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Seat Nominal Radius | 0.260 INCHES THIRD END IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Type | THREADED INTERNAL TUBE THIRD END |
| Material Document and Classification | QQ-S-763,CLASS 304 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Leg Length | 0.883 INCHES NOMINAL SECOND END IN |
| Leg Length | 0.745 INCHES NOMINAL THIRD END IN |
| Leg Length | 0.883 INCHES NOMINAL FIRST END IN |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Seat Angle | 12.0 DEGREES SECOND END |
| Seat Angle | 12.0 DEGREES FIRST END |
| Specification/standard Data | 80205-NAS1764 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A FIRST END A |
| Thread Class | 3A SECOND END A |
| Thread Class | 3B THIRD END |
| Material | STEEL COMP 304 OVERALL |
| 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 |
| Reference | Meaning |
|---|---|
| BACT16AZ010404M | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company |
| FER1572-040404J | 5/9 Secondary reference Faber Enterprises, Inc. Div Faber Enterprise Inc |
| CAP1015-040404J | 5/1 Secondary reference Sps Technologies, Llc Dba Airdrome Precision Components |
| NAS1764J040404 | 3/2 Design control — primary reference U.S. Government activity |
| NAS1764 | 3/1 Design control — primary reference U.S. Government activity |
| 467112-040404J | 5/1 Secondary reference Parker Hannifin Corp Stratoflex Div Aircraft Fittings Opn |
| AFP344-040404J | 5/9 Secondary reference Aerofit, Llc |
| BACT16AZ040404M | 5/1 Secondary reference U.S. Government activity |
| W30834-040404J | 5/1 Secondary reference Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| AFP344J040404N | 5/1 Secondary reference Aerofit, Llc |
| BACT16AZ040404M | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company |
| DB0T16AZ040404J | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| BACT16AZ | D/9 Drawing number reference only U.S. Government activity |
NSN 4730-01-076-8574 is a Tee,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
8 possible matches (shared part number, not a government interchangeability claim): 4730-01-118-5805, 4730-01-145-1872, 4730-01-229-3008. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-076-8574: Flow Angle: 90.0 DEGREES; Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: SWIVEL NUT FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL)(TUBE) THIRD END; Connection Style: FLARELESS (TUBE) SECOND END. 25 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.