PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21227Coupler,rotary,radio Frequency

Frontgrade Technologies Inc. · NSN 5985-01-462-4080 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-462-4080 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-462-4080. Primary manufacturer part number: 21227.
Features
  • Coupler,rotary,radio Frequency — FSC 5985
  • 2 verified cross-references
  • Primary manufacturer: Frontgrade Technologies Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,rotary,radio Frequency, cataloged under National Stock Number 5985-01-462-4080, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Frontgrade Technologies Inc.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-462-4080
Primary Part Number21227
Item NameCoupler,rotary,radio Frequency
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerFrontgrade Technologies Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3120-00-371-638921-227 INTERCHANGEABLE
Bearing,sleeve
Dresser Industries Inc Leroi Div
5940-00-502-1455SCB18902 INTERCHANGEABLE
Terminal Board
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5935-00-905-816645-5250S-464-1 INTERCHANGEABLE
Connector Body,plug,electrical
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5935-00-905-816945-5250S-464-3 INTERCHANGEABLE
Connector Body,plug,electrical
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
5935-00-905-8173E622379-4 INTERCHANGEABLE
Connector Body,plug,electrical
Raytheon Co
4320-01-219-095821227 INTERCHANGEABLE
Hanger and Piston Assembly
Parker Hannifin Corporation Div Hydraulic Systems Division
5310-01-240-061521227 INTERCHANGEABLE
Nut,special
Dresser, Llc
4820-01-273-055121227 INTERCHANGEABLE
Parts Kit,valve
Hydro Engineering Innovation, Llc
6550-01-359-5097R21227 INTERCHANGEABLE
Kovacs Reagent
Remel Inc.
Cross-Reference Index
Part NumberManufacturer
21227 Kevlin Corporation Dba Cobham Sensor Systems Div Kevlin Division (USA)
21227 PRIMARY Frontgrade Technologies Inc. (USA)
Related Parts
3120-00-371-6389INTERCHANGEABLE
BEARING,SLEEVE
21-227
5940-00-502-1455INTERCHANGEABLE
TERMINAL BOARD
SCB18902
5935-00-905-8166INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL
45-5250S-464-1
5935-00-905-8169INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL
45-5250S-464-3
5935-00-905-8173INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL
E622379-4
4320-01-219-0958INTERCHANGEABLE
HANGER AND PISTON ASSEMBLY
21227
5310-01-240-0615INTERCHANGEABLE
NUT,SPECIAL
21227
4820-01-273-0551INTERCHANGEABLE
PARTS KIT,VALVE
21227
6550-01-359-5097INTERCHANGEABLE
KOVACS REAGENT
R21227

Frequently Asked Questions

What is NSN 5985-01-462-4080?

NSN 5985-01-462-4080 is a Coupler,rotary,radio Frequency, manufactured by Frontgrade Technologies Inc., classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-462-4080?

NSN 5985-01-462-4080 has 2 cross-referenced part numbers: 21227 (Kevlin Corporation Dba Cobham Sensor Systems Div Kevlin Division), 21227 (Frontgrade Technologies Inc.).

What NSN replaces 5985-01-462-4080?

There are 9 known substitutes for 5985-01-462-4080: 3120-00-371-6389, 5940-00-502-1455, 5935-00-905-8166 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21227?

Key specifications for 21227: Special Features: ROTARY JOINT,WAVEGUIDE; End Item Identification: AN/TSQ-190(V)4. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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