PartsTable TECHNICAL DATA SHEET
NSN 4920-01-187-9205Government record, cited

Relay Assembly, Electronic4920-01-187-9205

NSN 4920-01-187-9205 · NIIN 011879205 · Part number 1164AS559
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment · FSG 49 — Maintenance and Repair Shop Equipment · CAGE 30003
Government record, cited
NSN 4920-01-187-9205 — this item is cataloged by the U.S. Government under National Stock Number 4920-01-187-9205. Manufacturer of record part number: 1164AS559.
Also searched as  4920-01-187-9205 · 4920011879205 · NIIN 011879205 · 01-187-9205 · FSC 4920 Aircraft Maintenance and Repair Shop Specialized Equipment · CAGE 30003 · 1164AS559
Nearby stock numbers  ·
Features
  • Relay Assembly,electronic — FSC 4920
  • FSC Application Data: MEMORY LOADER VERIFIER
  • 1 manufacturer part number on file
  • Manufacturer of record: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Identification
  • NSN: 4920-01-187-9205
  • NIIN: 011879205
  • FSC: 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
  • FSG: 49 — Maintenance and Repair Shop Equipment
  • Primary part number: 1164AS559
  • Manufacturer: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
General Description

The Relay Assembly,electronic, cataloged under National Stock Number 4920-01-187-9205, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 1 specification, 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4920-01-187-9205
Primary Part Number1164AS559
Item NameRelay Assembly,electronic
FSC / FSG4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
FSC Application DataMEMORY LOADER VERIFIER
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
1164AS559 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
No interchangeability data on file.
Other items in FSC 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4920-00-000-0190
TEST SET,FLIGHT CONTROL SYSTEM
4920-00-001-1405
4920-00-001-1405 · Item name not on file
4920-00-001-1716
4920-00-001-1716 · Item name not on file
4920-00-001-1744
4920-00-001-1744 · Item name not on file
4920-00-001-1745
4920-00-001-1745 · Item name not on file
4920-00-001-1746
4920-00-001-1746 · Item name not on file
4920-00-001-1747
4920-00-001-1747 · Item name not on file
4920-00-001-1748
4920-00-001-1748 · Item name not on file

Frequently Asked Questions

What is NSN 4920-01-187-9205?

NSN 4920-01-187-9205 is a Relay Assembly,electronic, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.

What part numbers are listed for NSN 4920-01-187-9205?

NSN 4920-01-187-9205 has 1 manufacturer part number on file: 1164AS559 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).

What are the specifications of 1164AS559?

Key specifications for 1164AS559: FSC Application Data: MEMORY LOADER VERIFIER; End Item Identification: F-18 ACFT. 1 specification is documented in the U.S. Government catalog.

Is NSN 4920-01-187-9205 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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