Product Details | RECEIVER-TRANSMITTER SYNCHRO

5990-00-441-7974 A synchro having a dual purpose. It may be used in applications requiring either a receiver or transmitter. For synchros having a single purpose, see SYNCHRO, RECEIVER and SYNCHRO, TRANSMITTER.

Part Alternates: M20708/23-001, M20708/23-01A, M2070823001, M207082301A, MIL-S-20708/23, MILS2070823, 15TRX6A, 5990-00-441-7974, 00-441-7974, 5990004417974, 004417974

Electrical and Electronic Equipment Components | Synchros and Resolvers

Supply Group (FSG) NSN Assign. NIIN
59 10 DEC 1969 00-441-7974

Drawings & Photos | NSN 5990-00-441-7974


Demand History | NSN 5990-00-441-7974

Part Number Request Date QTY Origin
5990-00-441-7974 2024-02-22 6 DIBBS
5990-00-441-7974 2022-04-01 1 UK
5990-00-441-7974 2022-04-01 5 UK
5990-00-441-7974 2022-04-01 10 UK
5990-00-441-7974 2022-04-01 15 UK
5990-00-441-7974 2018-07-19 6 DIBBS
5990-00-441-7974 2014-07-05 5 BG
5990-00-441-7974 2014-03-21 7 DIBBS
5990-00-441-7974 2014-03-06 7 DIBBS
15TRX6A 2012-04-26 1 TH
5990-00-441-7974 2010-12-15 2 US
5990-00-441-7974 2010-12-15 4 US
5990-00-441-7974 2010-04-14 1 US

Cross Reference | NSN 5990-00-441-7974

Part Number Cage Code Manufacturer
15TRX6A 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
M20708/23-001 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
M20708/23-01A 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MIL-S-20708/23 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 5990-00-441-7974

Characteristic Specifications
BODY SIZE 15
ROTOR INPUT VOLTAGE RATING IN VOLTS 115.0 NOMINAL
ROTOR INPUT CURRENT RATING 80.0 MILLIAMPERES MAXIMUM
ROTOR INPUT ELECTRICAL POWER RATING 2.8 WATTS MAXIMUM
FREQUENCY IN HERTZ 60.0 NOMINAL
ZSS IMPEDANCE MAGNITUDE IN OHMS 920.00 MAXIMUM
ZSS IMPEDANCE ANGLE IN DEG 10.00 MINIMUM AND 18.00 MAXIMUM
TRANSFORMATION RATIO 0.783 STATOR TO ROTOR NOMINAL
PHASE SHIFT ANGLE IN DEG 20.000 INPUT TO OUTPUT MAXIMUM
MAXIMUM TEMP RISE 35.0 DEG CELSIUS
MAXIMUM FUNDAMENTAL NULL VOLTAGE IN MILLIVOLTS PER VOLT 50.00 OUTPUT
MAXIMUM TOTAL NULL VOLTAGE OUTPUT IN MILLIVOLTS PER VOLT 500.00
ELECTRICAL ERROR ANGULAR RANGE IN MINUTES -6.0 TO 6.0
RECEIVER ERROR ANGULAR RANGE IN MINUTES -45.0 TO 45.0
TORQUE GRADIENT PER ANGULAR DEG 0.030 INCH-OUNCES MINIMUM
BODY STYLE A3 STANDARD ROUND C
SHOULDER DIAMETER 1.3115 INCHES MINIMUM AND 1.3120 INCHES MAXIMUM
PILOT DIAMETER 0.8745 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM
OVERALL LENGTH 2.3270 INCHES NOMINAL
FLANGE DIAMETER 1.4340 INCHES MINIMUM AND 1.4370 INCHES MAXIMUM
FLANGE THICKNESS 0.0930 INCHES NOMINAL
UNDERCUT DIAMETER 1.3120 INCHES NOMINAL
UNDERCUT WIDTH 0.0780 INCHES NOMINAL
PILOT LENGTH 0.0400 INCHES NOMINAL
SHOULDER LENGTH 0.1320 INCHES NOMINAL
MOUNTING SURFACE TO TERMINAL END DISTANCE 1.7720 INCHES MAXIMUM
ALIGNMENT HOLE DEPTH 0.1250 INCHES MINIMUM
ALIGNMENT HOLE BOLT CIRCLE DIAMETER 1.1000 INCHES NOMINAL
ALIGNMENT HOLE QUANTITY 4
SHAFT TYPE SPLINE W/THREADS SINGLE SHAFT
SHAFT DIAMETER 0.1867 INCHES MINIMUM AND 0.1872 INCHES MAXIMUM SINGLE SHAFT
SHAFT LENGTH 0.5550 INCHES NOMINAL SINGLE SHAFT
SHAFT THREAD LENGTH 0.2000 INCHES NOMINAL SINGLE SHAFT
SPLINE TOOTH QUANTITY 21 SINGLE SHAFT
SPLINE TOOTH DIAMETRAL PITCH 120 SINGLE SHAFT
SHAFT THREAD SERIES DESIGNATOR UNF SINGLE SHAFT
SHAFT NOMINAL THREAD SIZE 0.190 INCHES SINGLE SHAFT
SHAFT THREAD CLASS 2A SINGLE SHAFT
SHAFT THREAD DIRECTION RIGHT-HAND SINGLE SHAFT
TERMINAL TYPE AND QUANTITY 5 SCREW
TERMINAL LOCATION REAR
BODY MATERIAL STEEL, CORROSION RESISTING
TEST DATA DOCUMENT 81349-MIL-S-20708 SPECIFICATION
SPECIFICATION/STANDARD DATA 81349-MIL-S-20708/23 GOVERNMENT SPECIFICATION
III FRAGILITY FACTOR MODERATELY RUGGED
MANUFACTURERS CODE 81349

Restrictions/Controls & Freight Information | NSN 5990-00-441-7974

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:DMunitions List Item or Commerce Control List Item. Demilitarization required. Total destruction of the item and components so as to preclude restoration or repair to a usable condition by melting, cutting, tearing, scratching, crushing, breaking, punching, neutralizing, etc. (As an alternate, burial or deep water dumping may be used when coordinated with the DoD Demilitarization Program Office.)
Controlled Inventory Item Code:7NON-SENSITIVE (SRC-N/A) - UNCLASSIFIED AA&E: OR ITEMS ASSIGNED A DEMILITARIZATION CODE OTHER THAN A, B, Q, OR P FOR WHICH ANOTHER CIIC IS INAPPROPRIATE. (NOTE: THE LOSS, THEFT, UNLAWFUL DISPOSITION, AND/OR RECOVERY OF AN ITEM WITH CIIC 7 WILL BE INVESTIGATED IN ACCORDANCE WITH DOD-4000-25-2-M AND DOD 7200.14-R, VOLUME 12, CHAPTER 7).
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 062120 GENERATORS/MOTORS/PARTS NOI
Less than car load rating
Less than truck load rating W Rating Variable
Water commodity Code 593 unknown
Originating Activity Code TX Defense Supply Center Columbus
Columbus, OH 43218
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 5990-00-441-7974

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Materiel Management Aggregation CodeEHSX:ELECTRONIC COMPONENTS
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Price ValidationV The current standard price has been validated.
  • The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range.
  • The item was procured under open competition and under the competitive arena the price is considered fair and reasonable.
  • ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item Code7NON-SENSITIVE (SRC-N/A) - UNCLASSIFIED AA&E: OR ITEMS ASSIGNED A DEMILITARIZATION CODE OTHER THAN A, B, Q, OR P FOR WHICH ANOTHER CIIC IS INAPPROPRIATE. (NOTE: THE LOSS, THEFT, UNLAWFUL DISPOSITION, AND/OR RECOVERY OF AN ITEM WITH CIIC 7 WILL BE INVESTIGATED IN ACCORDANCE WITH DOD-4000-25-2-M AND DOD 7200.14-R, VOLUME 12, CHAPTER 7).
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item Code7NON-SENSITIVE (SRC-N/A) - UNCLASSIFIED AA&E: OR ITEMS ASSIGNED A DEMILITARIZATION CODE OTHER THAN A, B, Q, OR P FOR WHICH ANOTHER CIIC IS INAPPROPRIATE. (NOTE: THE LOSS, THEFT, UNLAWFUL DISPOSITION, AND/OR RECOVERY OF AN ITEM WITH CIIC 7 WILL BE INVESTIGATED IN ACCORDANCE WITH DOD-4000-25-2-M AND DOD 7200.14-R, VOLUME 12, CHAPTER 7).
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each