The Tee,tube, cataloged under National Stock Number 4730-01-054-3881, 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 Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-054-3881 |
| Primary Part Number | MS51523-B8 |
| Item Name | Tee,tube |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Connection Type | THREADED EXTERNAL TUBE THIRD END |
| Connection Style | FLARED (TUBE) THIRD END |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES SECOND END IN |
| Connection Type | THREADED INTERNAL TUBE FIRST END |
| Thread Series Designator | UNF SECOND END |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES THIRD END IN |
| Seat Angle | 37.0 DEGREES FIRST END |
| Leg Length | 1.250 INCHES NOMINAL THIRD END IN |
| Thread Class | 2A THIRD END A |
| Seat Angle | 37.0 DEGREES SECOND END |
| Connection Type | THREADED EXTERNAL TUBE SECOND END |
| Connection Style | FLARED (TUBE) SECOND END |
| Seat Angle | 37.0 DEGREES THIRD END |
| Nominal Thread Size | 0.750 INCHES THIRD END IN |
| Nominal Thread Size | 0.750 INCHES FIRST END IN |
| Thread Series Designator | UNF FIRST END |
| Nominal Outside Diameter Tube Accommodated | 0.500 INCHES FIRST END IN |
| Material | STEEL BODY |
| Leg Length | 1.250 INCHES NOMINAL SECOND END IN |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Thread Series Designator | UNF THIRD END |
| Thread Class | 2A SECOND END A |
| Leg Length | 1.380 INCHES NOMINAL FIRST END IN |
| Thread Class | 2B FIRST END |
| Connection Style | SWIVEL NUT, FLARE (TUBE) STYLE 3 OPTIONAL END FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS51523-B8 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4730-01-054-3881 is a Tee,tube, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-054-3881 has 1 cross-referenced part number: MS51523-B8 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There is 1 known substitute for 4730-01-054-3881: 4730-00-491-4983. Verify interchangeability with system specifications before substitution.
Key specifications for MS51523-B8: Connection Type: THREADED EXTERNAL TUBE THIRD END; Connection Style: FLARED (TUBE) THIRD END; Nominal Outside Diameter Tube Accommodated: 0.500 INCHES SECOND END IN; Connection Type: THREADED INTERNAL TUBE FIRST END. 25 total characteristics are documented in the Federal Logistics Information System.