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NSN 5990-01-229-0221Government record, cited

Synchro Assembly5990-01-229-0221

NSN 5990-01-229-0221 · NIIN 012290221 · Part number 218F556
General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems · FSC 5990 — Synchros and Resolvers · FSG 59 — Electrical and Electronic Equipment Components · CAGE 05606
Government record, cited
NSN 5990-01-229-0221 — this item is cataloged by the U.S. Government under National Stock Number 5990-01-229-0221. Manufacturer of record part number: 218F556.
Also searched as  5990-01-229-0221 · 5990012290221 · NIIN 012290221 · 01-229-0221 · FSC 5990 Synchros and Resolvers · CAGE 05606 · 218F556
Nearby stock numbers  ·
Features
  • Synchro Assembly — FSC 5990
  • 1 manufacturer part number on file
  • Manufacturer of record: General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
Identification
  • NSN: 5990-01-229-0221
  • NIIN: 012290221
  • FSC: 5990 — Synchros and Resolvers
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: 218F556
  • Manufacturer: General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
General Description

The Synchro Assembly, cataloged under National Stock Number 5990-01-229-0221, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts
Item NameSynchro Assembly
FSC / FSG5990 — Synchros and Resolvers (FSG 59)
ManufacturersGeneral Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (CAGE 05606)
Technical Specifications
ParameterValue
NSN5990-01-229-0221
Primary Part Number218F556
Item NameSynchro Assembly
FSC / FSG5990 / 59 — Synchros and Resolvers
ManufacturerGeneral Dynamics-Ots, Inc. Div Ordnance and Tactical Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Cross-Reference Index
Part NumberManufacturer
218F556 PRIMARY General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems (USA)
No interchangeability data on file.
Other items in FSC 5990 — Synchros and Resolvers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5990-00-001-1764
SYNCHRO,DIFFERENTIAL TRANSMITTER
5990-00-001-1765
SYNCHRO,TRANSMITTER
5990-00-001-1766
SYNCHRO,CONTROL TRANSFORMER
5990-00-001-4570
5990-00-001-4570 · Item name not on file
5990-00-001-5956
5990-00-001-5956 · Item name not on file
5990-00-001-7588
SYNCHRO,TRANSMITTER
5990-00-003-0177
5990-00-003-0177 · Item name not on file
5990-00-003-0569
RESOLVER,ELECTRICAL

Frequently Asked Questions

What is NSN 5990-01-229-0221?

NSN 5990-01-229-0221 is a Synchro Assembly, manufactured by General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems, classified under FSC 5990, Synchros and Resolvers. Status: active.

What part numbers are listed for NSN 5990-01-229-0221?

NSN 5990-01-229-0221 has 1 manufacturer part number on file: 218F556 (General Dynamics-Ots, Inc. Div Ordnance and Tactical Systems).

Is NSN 5990-01-229-0221 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

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.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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