The Resolver,electrical, cataloged under National Stock Number 5990-00-137-2912, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Kearfott Corp Div Kearfott Corporation. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-137-2912 |
| Primary Part Number | CR90948017 |
| Item Name | Resolver,electrical |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Kearfott Corp Div Kearfott Corporation |
| Status | ACTIVE |
| Body Size | 11 |
| Shaft Type | ROUND, SLOTTED SINGLE SHAFT |
| Shaft Radial Play Test Point | 0.250 INCHES NOMINAL IN |
| Flange Diameter | 1.0620 INCHES NOMINAL IN |
| Undercut Width | 0.0500 INCHES NOMINAL IN |
| Shaft Diameter | 0.1195 INCHES MINIMUM AND 0.1200 INCHES MAXIMUM SINGLE SHAFT IN |
| Rotor DC Resistance in Ohms | 25.00 NOMINAL |
| Undercut Diameter | 0.9750 INCHES NOMINAL IN |
| Length | 0.0620 INCHES NOMINAL SHOULDER IN |
| Body Style | STANDARD ROUND C |
| Shaft Radial Play Determining Weight | 4.0 OUNCES OZ |
| Flange Thickness | 0.0930 INCHES NOMINAL IN |
| Stator Input Current Rating | 12.0 MILLIAMPERES NOMINAL |
| Phase Shift Angle in Deg | 2.000 INPUT TO OUTPUT NOMINAL |
| Mounting Surface to Terminal End Distance | 1.8350 INCHES NOMINAL IN |
| Frequency in Hertz | 4800.0 NOMINAL |
| Zro Resistance in Ohms | 200.00 NOMINAL |
| Stator Input Electrical Power Rating | 2.0 MILLIWATTS NOMINAL |
| Plus J Zso Reactance in Ohms | 800.00 NOMINAL |
| Zrs Resistance in Ohms | 35.00 NOMINAL |
| Terminal Location | REAR |
| Shaft End Play Determining Weight | 8.0 OUNCES OZ |
| Shaft Maximum Radial Play | 0.0008 INCHES IN |
| Shaft Length | 0.5520 INCHES MINIMUM AND 0.5760 INCHES MAXIMUM SINGLE SHAFT IN |
| Pilot Diameter | 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| Stator Input Voltage Rating in Volts | 7.1 NOMINAL |
| Maximum Total Null Voltage Output in Millivolts Per Volt | 10.00 |
| Shaft Slot Width | 0.0200 INCHES MINIMUM AND 0.0320 INCHES MAXIMUM SINGLE SHAFT IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CR90948017 | Kearfott Corp Div Kearfott Corporation (USA) |
| Reference | Meaning |
|---|---|
| 140-016-0001 | 5/9 Secondary reference U.S. Government activity |
| 140-016-0001 | 3/2 Design control — primary reference U.S. Government activity |
| CM91034004 | 5/9 Secondary reference U.S. Government activity |
| BZC-11-H-13N/F116 | 5/2 Secondary reference U.S. Government activity |
NSN 5990-00-137-2912 is a Resolver,electrical, manufactured by Kearfott Corp Div Kearfott Corporation, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-137-2912 has 1 manufacturer part number on file: CR90948017 (Kearfott Corp Div Kearfott Corporation).
Key specifications for CR90948017: Body Size: 11; Shaft Type: ROUND, SLOTTED SINGLE SHAFT; Shaft Radial Play Test Point: 0.250 INCHES NOMINAL IN; Flange Diameter: 1.0620 INCHES NOMINAL IN. 29 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5990-00-137-2912 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.