The Tee,tube to Boss, cataloged under National Stock Number 4730-00-278-2754, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-278-2754 |
| Primary Part Number | F5509A |
| Item Name | Tee,tube to Boss |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Connection Style | GASKET SEAL (BOSS) SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES THIRD END IN |
| Seat Angle | 37.0 DEGREES THIRD END |
| Connection Type | THREADED INTERNAL BOSS SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Leg Length | 1.156 INCHES NOMINAL SECOND END IN |
| Thread Class | 3A FIRST END BULKHEAD A |
| Nominal Thread Size | 0.875 INCHES FIRST END BULKHEAD IN |
| Leg Length | 1.625 INCHES NOMINAL THIRD END IN |
| Thread Class | 3B SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.625 INCHES FIRST END IN |
| Thread Class | 3A FIRST END A |
| Nominal Thread Size | 0.875 INCHES ALL ENDS IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Connection Style | FLARED (TUBE) THIRD END |
| Leg Length | 2.375 INCHES NOMINAL FIRST END IN |
| Connection Type | THREADED EXTERNAL TUBE THIRD END |
| Specification/standard Data | 88044-AN784 GOVERNMENT STANDARD |
| Thread Class | 3A THIRD END A |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END BULKHEAD |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 2 FED SPEC SINGLE TREATMENT RESPONSE INSIDE |
| Surface Treatment | CADMIUM OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| Material | STEEL OVERALL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| F5509A | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-F-5509 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AN826-7D | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| AN784-10 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
NSN 4730-00-278-2754 is a Tee,tube to Boss, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-278-2754 has 4 cross-referenced part numbers: F5509A (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-F-5509 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AN826-7D (Aeronautical Standards Group Dept of Navy and Air Force), AN784-10 (Aeronautical Standards Group Dept of Navy and Air Force).
There are 3 known substitutes for 4730-00-278-2754: 4730-00-555-2889, 4730-00-640-5835, 4730-00-702-5694. Verify interchangeability with system specifications before substitution.
Key specifications for F5509A: Connection Style: GASKET SEAL (BOSS) SECOND END; Connection Type: THREADED EXTERNAL TUBE FIRST END; Nominal Outside Diameter Tube Accommodated: 0.625 INCHES THIRD END IN; Seat Angle: 37.0 DEGREES THIRD END. 26 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-278-2754 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.