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NSN 5985-01-727-2040Government record, cited

Case, Directional Coupler5985-01-727-2040

NSN 5985-01-727-2040 · NIIN 017272040 · Part number CSM-20M-4G
Merrimac Industries, Inc · FSC 5985 — Antennas, Waveguides, and Related Equipment · FSG 59 — Electrical and Electronic Equipment Components · CAGE 12457
Government record, cited
NSN 5985-01-727-2040 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-727-2040. Manufacturer of record part number: CSM-20M-4G.
Also searched as  5985-01-727-2040 · 5985017272040 · NIIN 017272040 · 01-727-2040 · FSC 5985 Antennas, Waveguides, and Related Equipment · CAGE 12457 · CSM-20M-4G
Nearby stock numbers  ·
Features
  • Case,directional Coupler — FSC 5985
  • 1 manufacturer part number on file
  • Manufacturer of record: Merrimac Industries, Inc
Identification
  • NSN: 5985-01-727-2040
  • NIIN: 017272040
  • FSC: 5985 — Antennas, Waveguides, and Related Equipment
  • FSG: 59 — Electrical and Electronic Equipment Components
  • Primary part number: CSM-20M-4G
  • Manufacturer: Merrimac Industries, Inc
General Description

The Case,directional Coupler, cataloged under National Stock Number 5985-01-727-2040, 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 Merrimac Industries, Inc. 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
NSN5985-01-727-2040
Primary Part NumberCSM-20M-4G
Item NameCase,directional Coupler
FSC / FSG5985 / 59 — Antennas, Waveguides, and Related Equipment
ManufacturerMerrimac Industries, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardPossible hazard — SDS may be required (DLA HMIC P)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
CSM-20M-4G PRIMARY Merrimac Industries, Inc (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 5985-01-727-2040?

NSN 5985-01-727-2040 is a Case,directional Coupler, manufactured by Merrimac Industries, Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.

What part numbers are listed for NSN 5985-01-727-2040?

NSN 5985-01-727-2040 has 1 manufacturer part number on file: CSM-20M-4G (Merrimac Industries, Inc).

What are the specifications of CSM-20M-4G?

Key specifications for CSM-20M-4G: Part Name Assigned by Controlling Agency: DIRECTIONAL COUPLER. 0 specifications are documented in the U.S. Government catalog.

Is NSN 5985-01-727-2040 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.

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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