PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ATT-0290-04-SMA-02Attenuator,fixed

Cinch Connectivity Solutions Inc · NSN 5985-01-052-3465 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-052-3465 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-052-3465. Primary manufacturer part number: ATT-0290-04-SMA-02.
Features
  • Attenuator,fixed — FSC 5985
  • Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
  • Output Impedance Rating in Ohms: 50.050.0
  • Voltage Standing Wave Ratio: 1.251.25
  • Voltage Standing Wave Ratio Frequency Range: +0.0 TO 18.0 GIGAHERTZ+0.0 TO 18.0 GIGAHERTZ
  • Operating Temp Range: -55.0 TO 125.0 CELSIUS-55.0 TO 125.0 CELSIUS DEGC
  • Mounting Method: CONNECTORCONNECTOR
  • Frequency Range: 0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM18.000 GIGAHERTZ MAXIMUM
Applications
  • Applications requiring Steel Corrosion Resisting Terminal construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-052-3465, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-052-3465
Primary Part NumberATT-0290-04-SMA-02
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerCinch Connectivity Solutions Inc
StatusACTIVE
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Output Impedance Rating in Ohms50.050.0
Voltage Standing Wave Ratio1.251.25
Voltage Standing Wave Ratio Frequency Range+0.0 TO 18.0 GIGAHERTZ+0.0 TO 18.0 GIGAHERTZ
Operating Temp Range-55.0 TO 125.0 CELSIUS-55.0 TO 125.0 CELSIUS DEGC
Mounting MethodCONNECTORCONNECTOR
Frequency Range0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM18.000 GIGAHERTZ MAXIMUM
MaterialSTEEL CORROSION RESISTING TERMINAL
Terminal Type and Quantity2 CONNECTOR2 CONNECTOR
Overall Diameter0.280 INCHES NOMINAL0.280 INCHES NOMINAL IN
Power Rating2.0 WATTS AVERAGE2.0 WATTS AVERAGE
Rf Signal Attenuation in Decibels4.04.0
Input Impedance Rating in Ohms50.050.0
Attenuation Accuracy in Decibels-0.30 TO 0.30-0.30 TO 0.30
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Coaxial Connector Series DesignationSMASMA
Application DesignTRANSMISSION LINETRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-021-85701883 INTERCHANGEABLE
Nut,plain,hexagon
Kentucky Mfg Co
5340-00-049-8030 INTERCHANGEABLE
Handle,recess
5975-00-100-8730 INTERCHANGEABLE
Box Connector,electrical
3110-00-108-7465290-4 INTERCHANGEABLE
Bearing,roller,needle
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
3110-00-156-1857 INTERCHANGEABLE
Bearing,ball,thrust
3820-00-371-679929004 INTERCHANGEABLE
Auger,earth
Terex Reedrill Dba Reedrill Texoma Div Terex Mining
5975-00-557-268825151-1-2 INTERCHANGEABLE
Extension,junction Box
Abb Installation Products Inc
5905-00-578-4518BLUL0-272J INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5910-00-643-6382 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
5950-00-677-083352C2174-1-1 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
352250054505 Thales Nederland (NLD)
50MMP4-1852 Alan Industries Inc (USA)
5985PL0726274 Jednolity Indeks Materialowy - Uniform Material Index (POL)
290-04 Cinch Connectivity Solutions Inc (USA)
290-4 Cinch Connectivity Solutions Inc (USA)
570997-43 Raytheon Company Div Corp (USA)
ATT-0290-04-SMA-02 PRIMARY Cinch Connectivity Solutions Inc (USA)
A18-4R Rlc Electronics, Inc (USA)
Related Parts
5310-00-021-8570INTERCHANGEABLE
NUT,PLAIN,HEXAGON
1883
5340-00-049-8030INTERCHANGEABLE
HANDLE,RECESS
5975-00-100-8730INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
3110-00-108-7465INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
290-4
3110-00-156-1857INTERCHANGEABLE
BEARING,BALL,THRUST
3820-00-371-6799INTERCHANGEABLE
AUGER,EARTH
29004
5975-00-557-2688INTERCHANGEABLE
EXTENSION,JUNCTION BOX
25151-1-2
5905-00-578-4518INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
BLUL0-272J
5910-00-643-6382INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
5950-00-677-0833INTERCHANGEABLE
TRANSFORMER,POWER
52C2174-1-1
3455-00-736-0821INTERCHANGEABLE
FILE,ROTARY
5360-00-784-0330INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
13839

Frequently Asked Questions

What is NSN 5985-01-052-3465?

NSN 5985-01-052-3465 is a Attenuator,fixed, manufactured by Cinch Connectivity Solutions Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-052-3465?

NSN 5985-01-052-3465 has 8 cross-referenced part numbers: 352250054505 (Thales Nederland), 50MMP4-1852 (Alan Industries Inc), 5985PL0726274 (Jednolity Indeks Materialowy - Uniform Material Index), 290-04 (Cinch Connectivity Solutions Inc), 290-4 (Cinch Connectivity Solutions Inc) and 3 more.

What NSN replaces 5985-01-052-3465?

There are 12 known substitutes for 5985-01-052-3465: 5310-00-021-8570, 5340-00-049-8030, 5975-00-100-8730 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of ATT-0290-04-SMA-02?

Key specifications for ATT-0290-04-SMA-02: Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE; Output Impedance Rating in Ohms: 50.050.0; Voltage Standing Wave Ratio: 1.251.25; Voltage Standing Wave Ratio Frequency Range: +0.0 TO 18.0 GIGAHERTZ+0.0 TO 18.0 GIGAHERTZ. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com