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NSN 5985-01-378-5578Government record, cited

Coupler, Directional5985-01-378-5578

NSN 5985-01-378-5578 · NIIN 013785578 · Part number 566356-26
Hamilton Sundstrand Corporation Dba Collins Aerospace · FSC 5985 — Antennas, Waveguides, and Related Equipment · FSG 59 — Electrical and Electronic Equipment Components · CAGE 73030
Government record, cited
NSN 5985-01-378-5578 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-378-5578. Manufacturer of record part number: 566356-26.
Also searched as  5985-01-378-5578 · 5985013785578 · NIIN 013785578 · 01-378-5578 · FSC 5985 Antennas, Waveguides, and Related Equipment · CAGE 73030 · 566356-26
Nearby stock numbers  ·
Features
  • Coupler,directional — FSC 5985
  • 1 manufacturer part number on file
  • Manufacturer of record: Hamilton Sundstrand Corporation Dba Collins Aerospace
Identification
  • NSN: 5985-01-378-5578
  • NIIN: 013785578
  • FSC: 5985 — Antennas, Waveguides, and Related Equipment
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: 566356-26
  • Manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace
General Description

The Coupler,directional, cataloged under National Stock Number 5985-01-378-5578, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. 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
NSN5985-01-378-5578
Primary Part Number566356-26
Item NameCoupler,directional
FSC / FSG5985 / 59 — Antennas, Waveguides, and Related Equipment
ManufacturerHamilton Sundstrand Corporation Dba Collins Aerospace
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL D — Destroy Item
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
566356-26 PRIMARY Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
No interchangeability data on file.
Other items in FSC 5985 — Antennas, Waveguides, and Related Equipment
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5985-00-001-1854
ANTENNA
5985-00-001-1862
WAVEGUIDE ASSEMBLY
5985-00-001-1869
WAVEGUIDE ASSEMBLY
5985-00-001-1870
WAVEGUIDE ASSEMBLY
5985-00-001-1871
WAVEGUIDE ASSEMBLY
5985-00-001-1874
WAVEGUIDE ASSEMBLY
5985-00-001-1875
ADAPTER,WAVEGUIDE
5985-00-001-1876
WAVEGUIDE ASSEMBLY

Frequently Asked Questions

What is NSN 5985-01-378-5578?

NSN 5985-01-378-5578 is a Coupler,directional, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.

What part numbers are listed for NSN 5985-01-378-5578?

NSN 5985-01-378-5578 has 1 manufacturer part number on file: 566356-26 (Hamilton Sundstrand Corporation Dba Collins Aerospace).

What are the specifications of 566356-26?

Key specifications for 566356-26: Overall Length: 12.680 INCHES MAXIMUM IN; Overall Width: 10.310 INCHES MAXIMUM IN; End Item Identification: H-3 HELO. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5985-01-378-5578 hazardous material?

Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.

What is the DEMIL code for NSN 5985-01-378-5578?

NSN 5985-01-378-5578 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.

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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