PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-2091Attenuator,variable

Rlc Electronics, Inc · NSN 5985-01-263-5205 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-263-5205 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-263-5205. Primary manufacturer part number: A-2091.
Features
  • Attenuator,variable — FSC 5985
  • Insertion Loss at Minimum Attenuation in Maximum Decibels: 0.5
  • Terminal Type and Quantity: 1 CONNECTOR, COAXIAL, FEMALE AND 1 CONNECTOR, COAXIAL, MALE
  • Shaft Type: ROUND
  • Impedance Rating in Ohms: 50.0 INPUT-OUTPUT
  • Body Style: COAXIAL TYPE
  • Power Rating: 1.0 WATTS PEAK AND 1.0 KILOWATTS PEAK
  • Shaft Length: 0.550 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-01-263-5205, 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 Rlc Electronics, Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-263-5205
Primary Part NumberA-2091
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerRlc Electronics, Inc
StatusACTIVE
Insertion Loss at Minimum Attenuation in Maximum Decibels0.5
Terminal Type and Quantity1 CONNECTOR, COAXIAL, FEMALE AND 1 CONNECTOR, COAXIAL, MALE
Shaft TypeROUND
Impedance Rating in Ohms50.0 INPUT-OUTPUT
Body StyleCOAXIAL TYPE
Power Rating1.0 WATTS PEAK AND 1.0 KILOWATTS PEAK
Shaft Length0.550 INCHES NOMINAL IN
Overall Attenuation Accuracy in Decibels-0.70 TO 0.70
Application DesignTRANSMISSION LINE
Attenuation Variation MethodCONTINUOUS
Adjustment Device Type and Quantity1 SHAFT
Overall Attenuation Range in Decibels+0.0 TO 10.0
Coaxial Connector Series DesignationN
Shaft Diameter0.250 INCHES NOMINAL IN
Voltage Standing Wave Ratio1.55
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5310-00-167-0830NAS1149FN316P INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
1680-00-347-085525931 INTERCHANGEABLE
Control Assy,track,
B E Aerospace Inc Services Div
4320-00-706-4460 INTERCHANGEABLE
Jack Screw
5360-00-859-5923 INTERCHANGEABLE
Spring,helical,compression
6695-00-872-6085372001 INTERCHANGEABLE
Transducer,motional Pickup
Avtron Aerospace Inc
5315-00-957-8477259-31 INTERCHANGEABLE
Key,machine
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
4730-01-179-539210224 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
3830-01-235-148017025931 INTERCHANGEABLE
Clevis Assembly,draft Arm Pivot
Klein Products, Inc.
Cross-Reference Index
Part NumberManufacturer
A-2091 PRIMARY Rlc Electronics, Inc (USA)
2593-1 Spectrum Control Inc Div Weinschel (USA)
2902864-2 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5310-00-167-0830INTERCHANGEABLE
WASHER,FLAT
NAS1149FN316P
1680-00-347-0855INTERCHANGEABLE
CONTROL ASSY,TRACK,
25931
4320-00-706-4460INTERCHANGEABLE
JACK SCREW
5360-00-859-5923INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
6695-00-872-6085INTERCHANGEABLE
TRANSDUCER,MOTIONAL PICKUP
372001
5315-00-957-8477INTERCHANGEABLE
KEY,MACHINE
259-31
4730-01-179-5392INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
10224
3830-01-235-1480INTERCHANGEABLE
CLEVIS ASSEMBLY,DRAFT ARM PIVOT
17025931

Frequently Asked Questions

What is NSN 5985-01-263-5205?

NSN 5985-01-263-5205 is a Attenuator,variable, manufactured by Rlc Electronics, Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-263-5205?

NSN 5985-01-263-5205 has 3 cross-referenced part numbers: A-2091 (Rlc Electronics, Inc), 2593-1 (Spectrum Control Inc Div Weinschel), 2902864-2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5985-01-263-5205?

There are 8 known substitutes for 5985-01-263-5205: 5310-00-167-0830, 1680-00-347-0855, 4320-00-706-4460 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-2091?

Key specifications for A-2091: Insertion Loss at Minimum Attenuation in Maximum Decibels: 0.5; Overall Height: 8.250 INCHES NOMINAL IN; Terminal Type and Quantity: 1 CONNECTOR, COAXIAL, FEMALE AND 1 CONNECTOR, COAXIAL, MALE; Shaft Type: ROUND. 18 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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