The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-052-4000, 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 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 4 manufacturers, 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 | 4730-01-052-4000 |
| Primary Part Number | MS51526B4S |
| Item Name | Adapter,straight,tube to Boss |
| 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 BOSS SECOND END |
| Maximum Operating Temp | 248.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Maximum Operating Temp | -65.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Seat Angle | 37.0 DEGREES FIRST END |
| Surface Treatment Document and Classification | QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | 66,300 SERIES FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Surface Treatment | PASSIVATE OVERALL |
| Specification/standard Data | 96906-MS51526 GOVERNMENT STANDARD |
| Furnished Items and Quantity | 1 SHORT COUPLING NUT WITH SLEEVE |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES FIRST END IN |
| Material | STEEL COMP 316 OR STEEL COMP 304 OVERALL |
| Media for Which Designed | HYDRAULIC FLUID FIRST RESPONSE |
| Nominal Overall Length | 2.080 INCHES IN |
| Thread Series Designator | UNF ALL ENDS |
| Media for Which Designed | AIR SECOND RESPONSE |
| Thread Class | 2A ALL ENDS A |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | FLARED (TUBE) FIRST END |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS51526B4S | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS51526 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-DTL-18866 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 4FF5BXS | Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division (USA) |
| 4FF5BXS | Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division (USA) |
| MS51526A4S | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS51526-B4 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 4730-01-052-4000 is a Adapter,straight,tube to Boss, 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 4730-01-052-4000 has 7 cross-referenced part numbers: MS51526B4S (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS51526 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-18866 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 4FF5BXS (Parker Hannifin Corp Dba Pneutronics Div Stratoflex Products Division), 4FF5BXS (Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division) and 2 more.
There is 1 known substitute for 4730-01-052-4000: 4730-01-025-6805. Verify interchangeability with system specifications before substitution.
Key specifications for MS51526B4S: Connection Type: THREADED EXTERNAL BOSS SECOND END; Maximum Operating Temp: 248.0 FAHRENHEIT FIRST RESPONSE DEGF; Maximum Operating Temp: -65.0 FAHRENHEIT SECOND RESPONSE DEGF; Seat Angle: 37.0 DEGREES FIRST END. 21 total characteristics are documented in the Federal Logistics Information System.