The Synchro,receiver-Transmitter, cataloged under National Stock Number 5990-00-926-4324, 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 Sae International Dba Sae International. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 35 commercial cross-references from 22 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5990-00-926-4324 |
| Primary Part Number | M20708/56-01B |
| Item Name | Synchro,receiver-Transmitter |
| FSC / FSG | 5990 / 59 — No Item Name Available |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Phase Shift Angle in Deg | 11.000 INPUT TO OUTPUT NOMINAL |
| Fragility Factor | MODERATELY RUGGED |
| Shaft Diameter | 0.2403 INCHES MINIMUM AND 0.2405 INCHES MAXIMUM SINGLE SHAFT IN |
| Aft of First Flange Diameter | 1.9400 INCHES MAXIMUM IN |
| Spline Tooth Quantity | 22 SINGLE SHAFT |
| Transformation Ratio | 0.783 STATOR TO ROTOR NOMINAL |
| Receiver Error Angular Range in Minutes | -45.0 TO 45.0 |
| Maximum Fundamental Null Voltage in Millivolts Per Volt | 60.00 OUTPUT |
| Spline Tooth Diametral Pitch | 96 SINGLE SHAFT |
| Electrical Error Angular Range in Minutes | -8.0 TO 8.0 |
| Length | 0.2500 INCHES NOMINAL SHOULDER IN |
| Second Shoulder Diameter | 1.9985 INCHES MINIMUM AND 1.9995 INCHES MAXIMUM IN |
| Flange Thickness | 0.2500 INCHES NOMINAL IN |
| Pilot Diameter | 0.5950 INCHES NOMINAL IN |
| Body Style | STANDARD ROUND D |
| Shoulder Diameter | 1.9850 INCHES MINIMUM AND 1.9900 INCHES MAXIMUM IN |
| Body Diameter | 1.9900 INCHES MAXIMUM IN |
| Flange Diameter | 2.2490 INCHES MINIMUM AND 2.2500 INCHES MAXIMUM IN |
| Second Shoulder Length | 0.1700 INCHES NOMINAL IN |
| Shaft Thread Class | 2A SINGLE SHAFT A |
| Terminal Type and Quantity | 5 SCREW |
| Test Data Document | 81349-MIL-S-20708 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.). |
| Shaft Thread Series Designator | UNF SINGLE SHAFT |
| Body Size | 23 |
| Terminal Location | REAR |
| Zss Impedance Angle in Deg | 10.00 MINIMUM AND 17.00 MAXIMUM |
| Shaft Nominal Thread Size | 0.250 INCHES SINGLE SHAFT IN |
| Shaft Thread Length | 0.2900 INCHES NOMINAL SINGLE SHAFT IN |
| Shaft Length | 0.7190 INCHES NOMINAL SINGLE SHAFT IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| TRX23-6N3 | General Dynamics Motion Control Llc (USA) |
| 23M4F1Q | Muirhead Aerospace Ltd (GBR) |
| AS20708/56 | Sae Customer Service Dept 2045 (USA) |
| AY2401F12C2 | Honeywell Intl Inc Defense Avionics Systems (USA) |
| 23TRX6 | Dynalec Corporation (USA) |
| M20708/56-01B | Society of Automotive Engineers Inc (USA) |
| 23TRX6B | General Dynamics Motion Control Llc (USA) |
| AS20708/56 | Society of Automotive Engineers Inc (USA) |
| M20708/56-01B | General Dynamics Motion Control Llc (USA) |
| AS20708/56 | Sae International Dba Sae International (USA) |
| M20708/56-01B PRIMARY | Sae International Dba Sae International (USA) |
| MIL-S-2335-8-1F | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-S-20708/56 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 512291 | Smiths Detection Inc. Dba Smiths Detection Inc Casc (USA) |
| MILS20708C1A56BM2070 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 23TR6B | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
| M20708/56-01B | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 815-1853085PC22 | Naval Ship Systems Command (USA) |
| 4913169-00 | Lockheed Martin Corp Dba Lockheed Martin Div Mst - Eagan (USA) |
| 2277534-0001 | Honeywell Intl Inc Defense Avionics Systems Former Bendix Flight Systems Fiv Montrose Opns (USA) |
NSN 5990-00-926-4324 is a Synchro,receiver-Transmitter, manufactured by Sae International Dba Sae International, classified under FSC 5990 (No Item Name Available). Status: cancelled.
NSN 5990-00-926-4324 has 35 cross-referenced part numbers: TRX23-6N3 (General Dynamics Motion Control Llc), 23M4F1Q (Muirhead Aerospace Ltd), AS20708/56 (Sae Customer Service Dept 2045), AY2401F12C2 (Honeywell Intl Inc Defense Avionics Systems), 23TRX6 (Dynalec Corporation) and 30 more.
There are 7 known substitutes for 5990-00-926-4324: 5990-00-503-0588, 5990-00-519-3421, 5990-00-553-6711 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for M20708/56-01B: Phase Shift Angle in Deg: 11.000 INPUT TO OUTPUT NOMINAL; Fragility Factor: MODERATELY RUGGED; Shaft Diameter: 0.2403 INCHES MINIMUM AND 0.2405 INCHES MAXIMUM SINGLE SHAFT IN; Aft of First Flange Diameter: 1.9400 INCHES MAXIMUM IN. 30 total characteristics are documented in the Federal Logistics Information System.
NSN 5990-00-926-4324 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.