The Tee,tube, cataloged under National Stock Number 4730-01-706-1144, 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 28 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-706-1144 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC ALL TREATMENT RESPONSES BODY |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC ALL TREATMENT RESPONSES NUT |
| Connection Style | FLARELESS (TUBE) SECOND END |
| Connection Style | FLARELESS (TUBE) FIRST END |
| Connection Style | SWIVEL NUT, FLARELESS (SWIVEL NUT ATTACHMENT METHOD OPTIONAL) (TUBE) THIRD END |
| 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 | AMS-QQ-A-367 AEROSPACE MATERIAL SPEC STD ALL MATERIAL RESPONSES OR AMS-QQ-A-225/6 AEROSPACE MATERIAL SPEC STD ALL MATERIAL RESPONSES BODY |
| Material Document and Classification | AMS-QQ-A-367 AEROSPACE MATERIAL SPEC STD ALL MATERIAL RESPONSES OR AMS-QQ-A-225/6 AEROSPACE MATERIAL SPEC STD ALL MATERIAL RESPONSES NUT |
| Nominal Outside Diameter Tube Accommodated | 0.3750 INCHES SECOND END IN |
| Nominal Outside Diameter Tube Accommodated | 0.7500 INCHES FIRST END IN |
| Nominal Outside Diameter Tube Accommodated | 1.0000 INCHES THIRD END IN |
| Leg Length | 1.267 INCHES MINIMUM AND 1.299 INCHES MAXIMUM SECOND END IN |
| Leg Length | 1.486 INCHES MINIMUM AND 1.518 INCHES MAXIMUM FIRST END IN |
| Leg Length | 1.574 INCHES MINIMUM AND 1.606 INCHES MAXIMUM THIRD END IN |
| Nominal Thread Size | 1.3125 INCHES SECOND END IN |
| Nominal Thread Size | 0.5625 INCHES THIRD END IN |
| Nominal Thread Size | 1.0625 INCHES FIRST END IN |
| Seat Angle | 45.0 DEGREES THIRD END |
| 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 | ANODIZE NUT |
| Surface Treatment | ANODIZE BODY |
| Thread Class | 3A FIRST END A |
| Thread Class | 3A SECOND END A |
| Thread Class | 3B THIRD END |
| 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 |
|---|---|
| NAS1764 REV 3 | D/9 Drawing number reference only U.S. Government activity |
| NAS1764D120616 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-01-706-1144 is a Tee,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4730-01-706-1149. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-01-706-1144: Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC ALL TREATMENT RESPONSES BODY; Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC ALL TREATMENT RESPONSES NUT; Connection Style: FLARELESS (TUBE) SECOND END; Connection Style: FLARELESS (TUBE) FIRST END. 28 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.