NSN 5985-01-269-1066 · NIIN 012691066 · Part number 4021
Caes Systems Llc · FSC 5985 — Antennas, Waveguides, and Related Equipment · FSG 59 — Electrical and Electronic Equipment Components · CAGE 64537
Government record, cited
NSN 5985-01-269-1066 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-269-1066. Manufacturer of record part number: 4021.
Also searched as5985-01-269-1066 ·
5985012691066 ·
NIIN 012691066 ·
01-269-1066 ·
FSC 5985 Antennas, Waveguides, and Related Equipment · CAGE 64537 · 4021 · D1494234 · OH-1146 · QH-1146
FSC Application Data: ANTENNAS,WAVEGUIES,AND RELATED EQUIPMENT
Usage Design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING
Power Loss in Decibels: 0.30
Design Type: BIDIRECTIONAL
Criticality Code Justification: FEAT
Radio Frequency Rating: 7.16 GIGAHERTZ MINIMUM AND 10.1 GIGAHERTZ MAXIMUM
Unit Type: COAXIAL LINE
Identification
NSN: 5985-01-269-1066
NIIN: 012691066
FSC: 5985 — Antennas, Waveguides, and Related Equipment
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 4021
Manufacturer: Caes Systems Llc
General Description
The Coupler,directional, cataloged under National Stock Number 5985-01-269-1066, 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 Caes Systems Llc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5985-01-269-1066
Primary Part Number
4021
Item Name
Coupler,directional
FSC / FSG
5985 / 59 — Antennas, Waveguides, and Related Equipment
Manufacturer
Caes Systems Llc
Status
ACTIVE
FSC Application Data
ANTENNAS,WAVEGUIES,AND RELATED EQUIPMENT
Usage Design
MAIN LINE AND SECONDARY LINE TERMINAL FITTING
Power Loss in Decibels
0.30
Design Type
BIDIRECTIONAL
Criticality Code Justification
FEAT
Radio Frequency Rating
7.16 GIGAHERTZ MINIMUM AND 10.1 GIGAHERTZ MAXIMUM
Unit Type
COAXIAL LINE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL D — Destroy Item
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
C/1Advisory reference — outside the item-of-supply concept
Caes Systems Llc
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 5985-01-269-1066?
NSN 5985-01-269-1066 is a Coupler,directional, manufactured by Caes Systems Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
What part numbers are listed for NSN 5985-01-269-1066?
NSN 5985-01-269-1066 has 3 manufacturer part numbers on file: D1494234 (Marc Alan Group the, Inc), 4021 (Caes Systems Llc), QH-1146 (Caes Systems Llc).
What are the specifications of 4021?
Key specifications for 4021: Overall Height: 0.370 INCHES MINIMUM AND 0.390 INCHES MAXIMUM IN; FSC Application Data: ANTENNAS,WAVEGUIES,AND RELATED EQUIPMENT; Usage Design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING; Power Loss in Decibels: 0.30. 7 specifications are documented in the U.S. Government catalog.
Is NSN 5985-01-269-1066 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 5985-01-269-1066?
NSN 5985-01-269-1066 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.