PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

173460Synchro,receiver

Solartron Electronics Inc Weston Instruments Div · NSN 5990-00-686-4499 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-686-4499 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-686-4499. Primary manufacturer part number: 173460.
Features
  • Synchro,receiver — FSC 5990
  • Body Style: STANDARD ROUND A
  • Flange Thickness: 0.0620 INCHES NOMINAL IN
  • Undercut Width: 0.0620 INCHES NOMINAL IN
  • Pilot Diameter: 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
  • Undercut Diameter: 0.6880 INCHES MINIMUM AND 0.6910 INCHES MAXIMUM IN
  • Flange Diameter: 0.7490 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
  • Shaft Slot Width: 0.0200 INCHES NOMINAL SINGLE SHAFT IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Synchro,receiver, cataloged under National Stock Number 5990-00-686-4499, 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 Solartron Electronics Inc Weston Instruments Div. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5990-00-686-4499
Primary Part Number173460
Item NameSynchro,receiver
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerSolartron Electronics Inc Weston Instruments Div
StatusCANCELLED
Body StyleSTANDARD ROUND A
Flange Thickness0.0620 INCHES NOMINAL IN
Undercut Width0.0620 INCHES NOMINAL IN
Pilot Diameter0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN
Undercut Diameter0.6880 INCHES MINIMUM AND 0.6910 INCHES MAXIMUM IN
Flange Diameter0.7490 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM IN
Shaft Slot Width0.0200 INCHES NOMINAL SINGLE SHAFT IN
Fragility FactorMODERATELY RUGGED
Pilot Length0.0430 INCHES NOMINAL IN
Zrs Resistance in Ohms550.00 NOMINAL
Mounting Surface to Terminal End Distance1.2410 INCHES MAXIMUM IN
Rotor DC Resistance in Ohms700.00 NOMINAL
Shaft Slot Depth0.0250 INCHES NOMINAL SINGLE SHAFT IN
Shaft Length0.3750 INCHES NOMINAL SINGLE SHAFT IN
Frequency in Hertz400.0 NOMINAL
Zro Resistance in Ohms950.00 NOMINAL
Terminal LocationREAR
Actuator Friction Torque at Plus 25 Deg Celsius2700.0 MILLIMETER-MILLIGRAMS MAXIMUM MM
Body MaterialSTEEL CORROSION RESISTING
Shaft TypeROUND, SLOTTED SINGLE SHAFT
Shaft Maximum Runout0.0010 INCHES IN
Zso Resistance in Ohms10.00 NOMINAL
Rotor Input Voltage Rating in Volts115.0 NOMINAL
Plus J Zrs Reactance in Ohms420.00 NOMINAL
Shaft Diameter0.0880 INCHES MINIMUM AND 0.0900 INCHES MAXIMUM SINGLE SHAFT IN
Terminal Type and Quantity5 WIRE LEAD
Shaft End Play Determining Weight4.0 OUNCES OZ
Shaft End Play0.0020 INCHES MINIMUM AND 0.0040 INCHES MAXIMUM IN
Rotor Input Current Rating29.0 MILLIAMPERES NOMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5950-01-015-203855689-1 INTERCHANGEABLE
Coil,radio Frequency
General Dynamics Government Systems Corporation
3120-01-178-187955689 INTERCHANGEABLE
Bushing,sleeve
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
4820-01-215-420255689 INTERCHANGEABLE
Plug,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5930-01-418-446355689 INTERCHANGEABLE
Switch,thermostatic
Evoqua Water Technologies Llc
Cross-Reference Index
Part NumberManufacturer
173460 Solartron Electronics Inc Weston Instruments Div (USA)
CRC8A9 Moog Inc. (USA)
8TR300G1A American Precision Industries, Inc Div Portescap Us (USA)
08TR1364 Ametek Technical & Industrial Products, Inc. Dba Tachtronic Instruments Division Div Ametek Technical and Industrial Products, Inc. (USA)
CRH8A9 Moog Inc. (USA)
AY080AA-50-A1 Honeywell Intl Inc Defense Avionics Systems (USA)
55689 Rogerson Kratos (USA)
173460-902 Solartron Electronics Inc Weston Instruments Div (USA)
Related Parts
5950-01-015-2038INTERCHANGEABLE
COIL,RADIO FREQUENCY
55689-1
3120-01-178-1879INTERCHANGEABLE
BUSHING,SLEEVE
55689
4820-01-215-4202INTERCHANGEABLE
PLUG,VALVE
55689
5930-01-418-4463INTERCHANGEABLE
SWITCH,THERMOSTATIC
55689

Frequently Asked Questions

What is NSN 5990-00-686-4499?

NSN 5990-00-686-4499 is a Synchro,receiver, manufactured by Solartron Electronics Inc Weston Instruments Div, classified under FSC 5990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5990-00-686-4499?

NSN 5990-00-686-4499 has 8 cross-referenced part numbers: 173460 (Solartron Electronics Inc Weston Instruments Div), CRC8A9 (Moog Inc.), 8TR300G1A (American Precision Industries, Inc Div Portescap Us), 08TR1364 (Ametek Technical & Industrial Products, Inc. Dba Tachtronic Instruments Division Div Ametek Technical and Industrial Products, Inc.), CRH8A9 (Moog Inc.) and 3 more.

What NSN replaces 5990-00-686-4499?

There are 4 known substitutes for 5990-00-686-4499: 5950-01-015-2038, 3120-01-178-1879, 4820-01-215-4202 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 173460?

Key specifications for 173460: Overall Length: 1.6160 INCHES NOMINAL IN; Body Style: STANDARD ROUND A; Flange Thickness: 0.0620 INCHES NOMINAL IN; Undercut Width: 0.0620 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5990-00-686-4499 still in active supply?

NSN 5990-00-686-4499 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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