PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

VRD15-20-4AResolver,electrical

General Dynamics Motion Control Llc · NSN 5990-00-968-0557 · FSC 5990 · No Item Name Available
Verified by PartsTable
NSN 5990-00-968-0557 — this item is cataloged by the U.S. Government under National Stock Number 5990-00-968-0557. Primary manufacturer part number: VRD15-20-4A.
Features
  • Resolver,electrical — FSC 5990
  • Material: STEEL CORROSION RESISTING BODY
  • Transformation Ratio: 0.980 STATOR TO ROTOR NOMINAL
  • Flange Diameter: 1.4375 INCHES NOMINAL IN
  • Frequency in Hertz: 400.0 NOMINAL
  • Terminal Location: REAR
  • Alignment Hole Quantity: 4
  • Rotor DC Resistance in Ohms: 200.00 NOMINAL
Applications
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Resolver,electrical, cataloged under National Stock Number 5990-00-968-0557, 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 General Dynamics Motion Control Llc. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5990-00-968-0557
Primary Part NumberVRD15-20-4A
Item NameResolver,electrical
FSC / FSG5990 / 59 — No Item Name Available
ManufacturerGeneral Dynamics Motion Control Llc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING BODY
Transformation Ratio0.980 STATOR TO ROTOR NOMINAL
Flange Diameter1.4375 INCHES NOMINAL IN
Frequency in Hertz400.0 NOMINAL
Terminal LocationREAR
Alignment Hole Quantity4
Rotor DC Resistance in Ohms200.00 NOMINAL
Body Size15
Zso Resistance in Ohms2200.00 NOMINAL
Stator Input Voltage Rating in Volts60.0 NOMINAL
Terminal Type and Quantity10 SCREW
Securing Hole Quantity2
Stator DC Resistance in Ohms155.00 NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5961-00-914-67521R15B INTERCHANGEABLE
Semiconductor Device,diode
Solitron Devices, Inc.
6515-01-578-2170209.050 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
467025-1 General Dynamics Motion Control Llc (USA)
209050 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
1R15 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
VRD15-20-4A PRIMARY General Dynamics Motion Control Llc (USA)
Related Parts
5961-00-914-6752INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
1R15B
6515-01-578-2170INTERCHANGEABLE
SCREW,BONE
209.050

Frequently Asked Questions

What is NSN 5990-00-968-0557?

NSN 5990-00-968-0557 is a Resolver,electrical, manufactured by General Dynamics Motion Control Llc, classified under FSC 5990 (No Item Name Available). Status: active.

What are the part numbers for NSN 5990-00-968-0557?

NSN 5990-00-968-0557 has 4 cross-referenced part numbers: 467025-1 (General Dynamics Motion Control Llc), 209050 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), 1R15 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), VRD15-20-4A (General Dynamics Motion Control Llc).

What NSN replaces 5990-00-968-0557?

There are 2 known substitutes for 5990-00-968-0557: 5961-00-914-6752, 6515-01-578-2170. Verify interchangeability with system specifications before substitution.

What are the specifications of VRD15-20-4A?

Key specifications for VRD15-20-4A: Material: STEEL CORROSION RESISTING BODY; Transformation Ratio: 0.980 STATOR TO ROTOR NOMINAL; Flange Diameter: 1.4375 INCHES NOMINAL IN; Frequency in Hertz: 400.0 NOMINAL. 14 total characteristics are documented in the Federal Logistics Information System.

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