The Resolver,electrical, cataloged under National Stock Number 5990-00-671-0595, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Honeywell Intl Inc Defense Avionics Systems. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5990-00-671-0595 |
| Primary Part Number | AY-163-A1 |
| Item Name | Resolver,electrical |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems |
| Status | ACTIVE |
| Shaft Type | ROUND, SLOTTED REAR SHAFT |
| Shaft Type | ROUND, TAPERED FRONT SHAFT |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | STANDARD ROUND B |
| Terminal Location | REAR |
| Shaft Maximum Radial Play | 0.0008 INCHES IN |
| Actuator Friction Torque at Plus 25 Deg Celsius | 1400.0 MILLIMETER-MILLIGRAMS MAXIMUM MM |
| Shaft End Play | 0.0015 INCHES MAXIMUM 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 |
|---|---|
| AY-163-A1 | Honeywell Intl Inc Defense Avionics Systems (USA) |
| Reference | Meaning |
|---|---|
| 1290299-51 | 3/9 Design control — primary reference Honeywell Intl Inc Defense Avionics Systems |
| 1200106-1 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
NSN 5990-00-671-0595 is a Resolver,electrical, manufactured by Honeywell Intl Inc Defense Avionics Systems, classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-00-671-0595 has 1 manufacturer part number on file: AY-163-A1 (Honeywell Intl Inc Defense Avionics Systems).
3 possible matches (shared part number, not a government interchangeability claim): 9340-01-263-7177, 5950-01-310-7215, 5950-01-331-7785. Verify interchangeability with system specifications before substitution.
Key specifications for AY-163-A1: Shaft Type: ROUND, SLOTTED REAR SHAFT; Shaft Type: ROUND, TAPERED FRONT SHAFT; Fragility Factor: MODERATELY RUGGED; Body Style: STANDARD ROUND B. 8 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 5990-00-671-0595 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.