PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

476-3Attenuator,variable

Cinch Connectivity Solutions Inc · NSN 5985-01-321-8313 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-321-8313 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-321-8313. Primary manufacturer part number: 476-3.
Features
  • Attenuator,variable — FSC 5985
  • Overall Attenuation Accuracy in Decibels: -3.00 TO 10.00
  • Overall Attenuation Range in Decibels: +3.0 TO 40.0
  • Attenuation Variation Method: STEPPED
  • Adjustment Device Type and Quantity: 1 ELECTRONIC, VOLTAGE CONTROLLED
  • Step Position Quantity: 37
  • Impedance Rating in Ohms: 50.0 INPUT-OUTPUT
  • Application Design: TRANSMISSION LINE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-01-321-8313, 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 Cinch Connectivity Solutions Inc. Government technical data includes 15 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-321-8313
Primary Part Number476-3
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerCinch Connectivity Solutions Inc
StatusACTIVE
Overall Attenuation Accuracy in Decibels-3.00 TO 10.00
Overall Attenuation Range in Decibels+3.0 TO 40.0
Attenuation Variation MethodSTEPPED
Adjustment Device Type and Quantity1 ELECTRONIC, VOLTAGE CONTROLLED
Step Position Quantity37
Impedance Rating in Ohms50.0 INPUT-OUTPUT
Application DesignTRANSMISSION LINE
Voltage Standing Wave Ratio1.25
Body StyleCOAXIAL TYPE
Frequency Range0.000 HERTZ MINIMUM AND 2.000 GIGAHERTZ MAXIMUM
Coaxial Connector Series DesignationTNC
Power Rating10.0 WATTS AVERAGE AND 5.0 KILOWATTS PEAK
Terminal Type and Quantity1 CONNECTOR, COAXIAL, FEMALE AND 1 CONNECTOR, COAXIAL, MALE
Attenuation Per Step in Decibels1.0
Overall Diameter1.000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5935-00-114-885710667936 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Aviation and Missile Command
5905-00-224-514090J12R INTERCHANGEABLE
Resistor,fixed,wire Wound
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5120-00-517-7808 INTERCHANGEABLE
Extension,socket Wrench
5930-00-975-79734763 INTERCHANGEABLE
Switch,electrical
Hoyt Corporation
5355-01-092-8550 INTERCHANGEABLE
Dial
9330-01-102-06194763 INTERCHANGEABLE
Plastic Strip
United Mineral & Chemical Corp
5331-01-172-187411126 INTERCHANGEABLE
O-Ring
Wilshire Corp
5120-01-335-1074 INTERCHANGEABLE
Extension,socket Wrench
6520-01-556-1697DSTDSI0131071000EA INTERCHANGEABLE
Case,ultrasonic Prophlaxis Unit,
Government Scientific Source Inc Dba Government Scientific Source Inc
2540-01-677-252347-63 INTERCHANGEABLE
Body,link Pivot Arm,windshield W
Federal-Mogul Corporation Div Federal-Mogul Motorparts
Cross-Reference Index
Part NumberManufacturer
476-3 PRIMARY Cinch Connectivity Solutions Inc (USA)
MDC91267 Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc (USA)
Related Parts
5935-00-114-8857INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
10667936
5905-00-224-5140INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
90J12R
5120-00-517-7808INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
5930-00-975-7973INTERCHANGEABLE
SWITCH,ELECTRICAL
4763
5355-01-092-8550INTERCHANGEABLE
DIAL
9330-01-102-0619INTERCHANGEABLE
PLASTIC STRIP
4763
5331-01-172-1874INTERCHANGEABLE
O-RING
11126
5120-01-335-1074INTERCHANGEABLE
EXTENSION,SOCKET WRENCH
6520-01-556-1697INTERCHANGEABLE
CASE,ULTRASONIC PROPHLAXIS UNIT,
DSTDSI0131071000EA
2540-01-677-2523INTERCHANGEABLE
BODY,LINK PIVOT ARM,WINDSHIELD W
47-63

Frequently Asked Questions

What is NSN 5985-01-321-8313?

NSN 5985-01-321-8313 is a Attenuator,variable, manufactured by Cinch Connectivity Solutions Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-321-8313?

NSN 5985-01-321-8313 has 2 cross-referenced part numbers: 476-3 (Cinch Connectivity Solutions Inc), MDC91267 (Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc).

What NSN replaces 5985-01-321-8313?

There are 10 known substitutes for 5985-01-321-8313: 5935-00-114-8857, 5905-00-224-5140, 5120-00-517-7808 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 476-3?

Key specifications for 476-3: Overall Attenuation Accuracy in Decibels: -3.00 TO 10.00; Overall Attenuation Range in Decibels: +3.0 TO 40.0; End Item Identification: COMMUNICATIONS RESTORAL SYSTEM AN/TSC-115; Attenuation Variation Method: STEPPED. 17 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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