The Elbow,pipe to Tube, cataloged under National Stock Number 4730-00-287-0257, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-287-0257 |
| Primary Part Number | MS20823 |
| Item Name | Elbow,pipe to 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 |
| Surface Treatment | CADMIUM OUTSIDE |
| Nominal Outside Diameter Tube Accommodated | 0.750 INCHES FIRST END IN |
| Connection Style | PLAIN (PIPE) SECOND END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Material | COPPER ALLOY 377 OVERALL |
| Seat Angle | 37.0 DEGREES FIRST END |
| Thread Class | 3A FIRST END A |
| Nominal Thread Size | 1.062 INCHES FIRST END IN |
| Leg Length | 1.188 INCHES NOMINAL SECOND END IN |
| Flow Angle | 45.0 DEGREES |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Leg Length | 1.266 INCHES MINIMUM AND 1.313 INCHES MAXIMUM FIRST END IN |
| Connection Style | FLARED (TUBE) FIRST END |
| Thread Series Designator | NPT SECOND END |
| Thread Quantity Per Inch | 12 FIRST END |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) FIRST END |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Material Document and Classification | QQ-B-626,COMP 21 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | CADMIUM INSIDE |
| Specification/standard Data | 96906-MS20823 GOVERNMENT STANDARD |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS20823 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS20823-12B | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4730-00-287-0257 is a Elbow,pipe to 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 4730-00-287-0257 has 2 cross-referenced part numbers: MS20823 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS20823-12B (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 4730-00-287-0257: 4730-00-186-9956, 4730-00-189-3018, 4730-00-189-3019 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS20823: Surface Treatment: CADMIUM OUTSIDE; Nominal Outside Diameter Tube Accommodated: 0.750 INCHES FIRST END IN; Connection Style: PLAIN (PIPE) SECOND END; Connection Type: THREADED EXTERNAL TUBE FIRST END. 20 total characteristics are documented in the Federal Logistics Information System.