NSN 5985-01-646-3831 · NIIN 016463831 · Part number 1648F
Frontgrade Technologies Inc. · FSC 5985 — Antennas, Waveguides, and Related Equipment · FSG 59 — Electrical and Electronic Equipment Components · CAGE 66544
Government record, cited
NSN 5985-01-646-3831 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-646-3831. Manufacturer of record part number: 1648F.
Also searched as5985-01-646-3831 ·
5985016463831 ·
NIIN 016463831 ·
01-646-3831 ·
FSC 5985 Antennas, Waveguides, and Related Equipment · CAGE 66544 · 1648F · 8412335
Manufacturer of record: Frontgrade Technologies Inc.
Identification
NSN: 5985-01-646-3831
NIIN: 016463831
FSC: 5985 — Antennas, Waveguides, and Related Equipment
FSG: 59 — Electrical and Electronic Equipment Components
Primary part number: 1648F
Manufacturer: Frontgrade Technologies Inc.
General Description
The Coupler,rotary,radio Frequency, cataloged under National Stock Number 5985-01-646-3831, 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 Frontgrade Technologies Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Coupler,rotary,radio Frequency
FSC / FSG
5985 — Antennas, Waveguides, and Related Equipment (FSG 59)
Manufacturers
Frontgrade Technologies Inc. (CAGE 66544); Naval Sea Systems Command (CAGE 53711)
Technical Specifications
Parameter
Value
NSN
5985-01-646-3831
Primary Part Number
1648F
Item Name
Coupler,rotary,radio Frequency
FSC / FSG
5985 / 59 — Antennas, Waveguides, and Related Equipment
Manufacturer
Frontgrade Technologies Inc.
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL Q — CCL Item — Commerce Control List
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
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 5985-01-646-3831?
NSN 5985-01-646-3831 is a Coupler,rotary,radio Frequency, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
What part numbers are listed for NSN 5985-01-646-3831?
NSN 5985-01-646-3831 has 2 manufacturer part numbers on file: 1648F (Frontgrade Technologies Inc.), 8412335 (Naval Sea Systems Command).
Is NSN 5985-01-646-3831 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 5985-01-646-3831?
NSN 5985-01-646-3831 has DEMIL Code Q. 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.