The Synchro,differential Transmitter, cataloged under National Stock Number 5990-00-644-0088, is classified within Federal Supply Class 5990 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, 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 | 5990-00-644-0088 |
| Primary Part Number | 561794PC4 |
| Item Name | Synchro,differential Transmitter |
| FSC / FSG | 5990 / 59 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Flange Diameter | 5.7480 INCHES MINIMUM AND 5.7500 INCHES MAXIMUM IN |
| Body Diameter | 5.3750 INCHES MAXIMUM IN |
| Pilot Diameter | 1.7500 INCHES MAXIMUM IN |
| Flange Thickness | 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN |
| Shoulder Diameter | 4.8740 INCHES MAXIMUM IN |
| Second Shoulder Length | 0.5000 INCHES MAXIMUM IN |
| Second Shoulder Diameter | 5.5000 INCHES MAXIMUM IN |
| Body Style | STANDARD ROUND DOUBLE FLANGE A |
| Shaft Undercut Diameter | 0.0600 INCHES NOMINAL SINGLE SHAFT IN |
| Transformation Ratio | 0.990 ROTOR TO STATOR NOMINAL |
| Shaft Nominal Thread Size | 0.250 INCHES SINGLE SHAFT IN |
| Length | 1.0600 INCHES NOMINAL SHOULDER IN |
| Mounting Surface to Terminal End Distance | 6.6180 INCHES NOMINAL IN |
| Test Data Document | 81349-MIL-S-2335 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Distance Between Flanges | 3.2500 INCHES NOMINAL IN |
| Shaft Taper Angle in Deg | 3.5 SINGLE SHAFT |
| Terminal Type and Quantity | 6 SCREW |
| Stator Input Electrical Power Rating | 30.0 WATTS MAXIMUM |
| Torque Gradient Per Angular Deg | 4.000 INCH-OUNCES MINIMUM IN |
| Zro Resistance in Ohms | 400.00 NOMINAL |
| Electrical Error Angular Range in Minutes | -18.0 TO 18.0 |
| Shaft Diameter | 0.3500 INCHES MINIMUM AND 0.3505 INCHES MAXIMUM SINGLE SHAFT IN |
| Specification/standard Data | 81349-MIL-S-2335 GOVERNMENT SPECIFICATION |
| Frequency in Hertz | 60.0 NOMINAL |
| Shaft Tapered End Minor Diameter | 0.2500 INCHES NOMINAL SINGLE SHAFT IN |
| Stator Input Current Rating | 3.5 AMPERES MAXIMUM |
| Body Material | ALUMINUM |
| Shaft Undercut Width | 0.0600 INCHES NOMINAL SINGLE SHAFT IN |
| Shaft Tip Length | 0.2200 INCHES NOMINAL SINGLE SHAFT IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 561794PC4 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| SK139480 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 7HDGMK11 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-S-2335 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 213398PC1 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5990-00-644-0088 is a Synchro,differential Transmitter, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5990 (No Item Name Available). Status: active.
NSN 5990-00-644-0088 has 5 cross-referenced part numbers: 561794PC4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), SK139480 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 7HDGMK11 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-2335 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 213398PC1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
There are 12 known substitutes for 5990-00-644-0088: 5990-00-268-9068, 5990-00-268-9074, 5990-00-268-9075 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 561794PC4: Flange Diameter: 5.7480 INCHES MINIMUM AND 5.7500 INCHES MAXIMUM IN; Body Diameter: 5.3750 INCHES MAXIMUM IN; Pilot Diameter: 1.7500 INCHES MAXIMUM IN; Flange Thickness: 0.2450 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN. 30 total characteristics are documented in the Federal Logistics Information System.