PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4783Attenuator Subassembly

Kay Elemetrics Corporation · NSN 5985-00-689-6771 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-689-6771 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-689-6771. Primary manufacturer part number: 4783.
Features
  • Attenuator Subassembly — FSC 5985
  • Component Type and Quantity: 24 CONTACT AND 2 PLATE
  • Overall Diameter: 0.625 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Kay Elemetrics Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator Subassembly, cataloged under National Stock Number 5985-00-689-6771, 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 Kay Elemetrics Corporation. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-689-6771
Primary Part Number4783
Item NameAttenuator Subassembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerKay Elemetrics Corporation
StatusACTIVE
Component Type and Quantity24 CONTACT AND 2 PLATE
Overall Diameter0.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3120-00-179-63814783 INTERCHANGEABLE
Cage,bearing
Cummins Inc.
4310-00-368-9940 INTERCHANGEABLE
Cooler,compressed Air,compressor
9540-00-542-2728 INTERCHANGEABLE
Angle,structural
2910-00-917-9721 INTERCHANGEABLE
Pump,fuel,cam Actuated
3040-01-217-9393478915C1 INTERCHANGEABLE
Gearshaft,spur
Navistar Intl Corp Truck Br Ohio Plant
8335-01-443-30904783 INTERCHANGEABLE
Insoles,footwear
Viscolas Inc
6515-01-574-325125608-990 INTERCHANGEABLE
Blade,surgical Knife,detachable
Vwr International, Llc Dba Vwr Scientific
Cross-Reference Index
Part NumberManufacturer
4783 Kay Elemetrics Corporation (USA)
Related Parts
3120-00-179-6381INTERCHANGEABLE
CAGE,BEARING
4783
4310-00-368-9940INTERCHANGEABLE
COOLER,COMPRESSED AIR,COMPRESSOR
9540-00-542-2728INTERCHANGEABLE
ANGLE,STRUCTURAL
2910-00-917-9721INTERCHANGEABLE
PUMP,FUEL,CAM ACTUATED
3040-01-217-9393INTERCHANGEABLE
GEARSHAFT,SPUR
478915C1
8335-01-443-3090INTERCHANGEABLE
INSOLES,FOOTWEAR
4783
6515-01-574-3251INTERCHANGEABLE
BLADE,SURGICAL KNIFE,DETACHABLE
25608-990

Frequently Asked Questions

What is NSN 5985-00-689-6771?

NSN 5985-00-689-6771 is a Attenuator Subassembly, manufactured by Kay Elemetrics Corporation, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-689-6771?

NSN 5985-00-689-6771 has 1 cross-referenced part number: 4783 (Kay Elemetrics Corporation).

What NSN replaces 5985-00-689-6771?

There are 7 known substitutes for 5985-00-689-6771: 3120-00-179-6381, 4310-00-368-9940, 9540-00-542-2728 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4783?

Key specifications for 4783: Component Type and Quantity: 24 CONTACT AND 2 PLATE; Special Features: SELECTOR DRUM 1,WAFER WHEEL 2;CTR THRU HOLE 1/4 IN. DIA IN; Overall Length: 1.375 INCHES NOMINAL IN; Overall Diameter: 0.625 INCHES NOMINAL IN. 4 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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