PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77886-8Attenuator,variable

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 5985-01-143-4950 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-143-4950 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-143-4950. Primary manufacturer part number: 77886-8.
Features
  • Attenuator,variable — FSC 5985
  • Body Diameter: 1.625 INCHES NOMINAL IN
  • Impedance Rating in Ohms: 200.0 INPUT-OUTPUT
  • Application Design: PRINTED CIRCUIT BOARD
  • Body Length: 1.125 INCHES NOMINAL IN
  • Shaft Length: 1.156 INCHES NOMINAL IN
  • Body Style: CYLINDRICAL W/SIDE TERMINALS
  • Attenuation Variation Method: CONTINUOUS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-01-143-4950, 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 L3harris Technologies, Inc. Div Space and Airborne Systems. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). 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
NSN5985-01-143-4950
Primary Part Number77886-8
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
Body Diameter1.625 INCHES NOMINAL IN
Impedance Rating in Ohms200.0 INPUT-OUTPUT
Application DesignPRINTED CIRCUIT BOARD
Body Length1.125 INCHES NOMINAL IN
Shaft Length1.156 INCHES NOMINAL IN
Body StyleCYLINDRICAL W/SIDE TERMINALS
Attenuation Variation MethodCONTINUOUS
Power Rating4.0 WATTS AVERAGE AND 15.0 WATTS PEAK
Mounting Facility Type and Quantity1 THREADED BUSHING
Adjustment Device Type and Quantity1 SHAFT
Terminal Type and Quantity6 SOLDER STUD
Shaft TypeROUND
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Shaft Diameter0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6680-00-101-5427L200 INTERCHANGEABLE
Transmitter,liquid Quantity
Eaton Aerospace Llc Div Fluid and Electrical Distribution Division
4910-00-261-7918 INTERCHANGEABLE
Boring Machine,cam and Main Bear
6105-01-109-0036L200 INTERCHANGEABLE
Motor,electric
Bear Hydraulics Inc
5360-01-374-97783685 INTERCHANGEABLE
Spring,helical,compression
Carlisle & Finch Co
4320-01-440-5927L200 CI254T INTERCHANGEABLE
Pump,rotary
Megator Corp
8465-01-514-8739SLMP1-1 INTERCHANGEABLE
Restraint,involuntary,full Body
Ltl Vantage, Inc.
5975-01-573-2149 INTERCHANGEABLE
Locknut,electrical Conduit
1240-01-661-8217L200 INTERCHANGEABLE
Mount Subassembly
American Defense Manufacturing Llc
4140-01-675-7796L200 INTERCHANGEABLE
Fan,centrifugal
Broan-Nutone Llc Dba Broan
Cross-Reference Index
Part NumberManufacturer
L200 Mallory Controls Co Sub of Emhart Industries Inc (USA)
77886-8 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
Related Parts
6680-00-101-5427INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
L200
4910-00-261-7918INTERCHANGEABLE
BORING MACHINE,CAM AND MAIN BEAR
6105-01-109-0036INTERCHANGEABLE
MOTOR,ELECTRIC
L200
5360-01-374-9778INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3685
4320-01-440-5927INTERCHANGEABLE
PUMP,ROTARY
L200 CI254T
8465-01-514-8739INTERCHANGEABLE
RESTRAINT,INVOLUNTARY,FULL BODY
SLMP1-1
5975-01-573-2149INTERCHANGEABLE
LOCKNUT,ELECTRICAL CONDUIT
1240-01-661-8217INTERCHANGEABLE
MOUNT SUBASSEMBLY
L200
4140-01-675-7796INTERCHANGEABLE
FAN,CENTRIFUGAL
L200

Frequently Asked Questions

What is NSN 5985-01-143-4950?

NSN 5985-01-143-4950 is a Attenuator,variable, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-143-4950?

NSN 5985-01-143-4950 has 2 cross-referenced part numbers: L200 (Mallory Controls Co Sub of Emhart Industries Inc), 77886-8 (L3harris Technologies, Inc. Div Space and Airborne Systems).

What NSN replaces 5985-01-143-4950?

There are 9 known substitutes for 5985-01-143-4950: 6680-00-101-5427, 4910-00-261-7918, 6105-01-109-0036 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 77886-8?

Key specifications for 77886-8: Body Diameter: 1.625 INCHES NOMINAL IN; Overall Width: 2.031 INCHES NOMINAL IN; Impedance Rating in Ohms: 200.0 INPUT-OUTPUT; Overall Length: 2.281 INCHES NOMINAL IN. 16 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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