PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

13057603-2Attenuator,fixed

Us Army Aviation and Missile Command · NSN 5985-01-056-6389 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-056-6389 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-056-6389. Primary manufacturer part number: 13057603-2.
Features
  • Attenuator,fixed — FSC 5985
  • Power Rating: 2.0 WATTS AVERAGE2.0 WATTS AVERAGE
  • Coaxial Connector Series Designation: SMASMA
  • Input Impedance Rating in Ohms: 50.050.0
  • Connection Type Per Function: FEMALE OUTPUT AND FEMALE OUTPUT AND MALE INPUTMALE INPUT
  • Rf Signal Attenuation in Decibels: 2.02.0
  • Overall Diameter: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
  • Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Applications
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-056-6389, 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 Us Army Aviation and Missile Command. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 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
NSN5985-01-056-6389
Primary Part Number13057603-2
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerUs Army Aviation and Missile Command
StatusACTIVE
Power Rating2.0 WATTS AVERAGE2.0 WATTS AVERAGE
Coaxial Connector Series DesignationSMASMA
Input Impedance Rating in Ohms50.050.0
Connection Type Per FunctionFEMALE OUTPUT AND FEMALE OUTPUT AND MALE INPUTMALE INPUT
Rf Signal Attenuation in Decibels2.02.0
Overall Diameter0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
MaterialSTEEL CORROSION RESISTING BODY
Attenuation Accuracy in Decibels-0.30 TO 0.30-0.30 TO 0.30
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Attenuation Accuracy Reference Frequency4.0 GIGAHERTZ4.0 GIGAHERTZ
Operating Temp Range-65.0 TO 125.0 CELSIUS-65.0 TO 125.0 CELSIUS DEGC
Frequency Range0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM4.000 GIGAHERTZ MAXIMUM
Mounting MethodCONNECTORCONNECTOR
Output Impedance Rating in Ohms50.050.0
Voltage Standing Wave Ratio Frequency Range+0.0 TO 4.0 GIGAHERTZ+0.0 TO 4.0 GIGAHERTZ
Terminal Type and Quantity2 CONNECTOR2 CONNECTOR
Voltage Standing Wave Ratio1.151.15
Application DesignTRANSMISSION LINETRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5999-00-083-55372382 INTERCHANGEABLE
Contact,electrical
Entron Industries Limited Partnership Dba Entron Industries Property Div
5310-00-193-75332382 INTERCHANGEABLE
Washer,lock
Lucent Technologies Inc Corporate Headquarters
6685-00-242-2224TYPE 12F-86 INTERCHANGEABLE
Thermometer,self-Indicating
American Society for Testing and Materials Dba Astm International
9540-00-251-2568 INTERCHANGEABLE
Angle,structural
9540-00-287-9421 INTERCHANGEABLE
Channel,structural
5915-00-914-17712382 INTERCHANGEABLE
Filter,band Pass
Torotel, Inc. Div Torotel Products, Inc.
4820-01-011-40652382-1/2 INTERCHANGEABLE
Valve,gate
William Powell Company, the Dba Powell Valve Div the Starflo Corporation
5998-01-135-9140 INTERCHANGEABLE
Circuit Card Assembly
5310-01-136-3553 INTERCHANGEABLE
Nut,sleeve
6530-01-548-4422ALOKOEM4X7 INTERCHANGEABLE
Pouch,waterproof
Loksak, Inc. Dba Loksak Inc
Cross-Reference Index
Part NumberManufacturer
238-2 Cinch Connectivity Solutions Inc (USA)
952064-2 Raytheon Company (USA)
952064-2 Raytheon Company Dba Raytheon Co (USA)
50MP2-1022 Alan Industries Inc (USA)
MDC89306-2 Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc (USA)
13057603-2 PRIMARY Us Army Aviation and Missile Command (USA)
952064-2 Raytheon Company Div Corp (USA)
4B-2 Spectrum Control, Inc. (USA)
Related Parts
5999-00-083-5537INTERCHANGEABLE
CONTACT,ELECTRICAL
2382
5310-00-193-7533INTERCHANGEABLE
WASHER,LOCK
2382
6685-00-242-2224INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
TYPE 12F-86
9540-00-251-2568INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-287-9421INTERCHANGEABLE
CHANNEL,STRUCTURAL
5915-00-914-1771INTERCHANGEABLE
FILTER,BAND PASS
2382
4820-01-011-4065INTERCHANGEABLE
VALVE,GATE
2382-1/2
5998-01-135-9140INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5310-01-136-3553INTERCHANGEABLE
NUT,SLEEVE
6530-01-548-4422INTERCHANGEABLE
POUCH,WATERPROOF
ALOKOEM4X7

Frequently Asked Questions

What is NSN 5985-01-056-6389?

NSN 5985-01-056-6389 is a Attenuator,fixed, manufactured by Us Army Aviation and Missile Command, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-056-6389?

NSN 5985-01-056-6389 has 8 cross-referenced part numbers: 238-2 (Cinch Connectivity Solutions Inc), 952064-2 (Raytheon Company), 952064-2 (Raytheon Company Dba Raytheon Co), 50MP2-1022 (Alan Industries Inc), MDC89306-2 (Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc) and 3 more.

What NSN replaces 5985-01-056-6389?

There are 10 known substitutes for 5985-01-056-6389: 5999-00-083-5537, 5310-00-193-7533, 6685-00-242-2224 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 13057603-2?

Key specifications for 13057603-2: Power Rating: 2.0 WATTS AVERAGE2.0 WATTS AVERAGE; Coaxial Connector Series Designation: SMASMA; Input Impedance Rating in Ohms: 50.050.0; Connection Type Per Function: FEMALE OUTPUT AND FEMALE OUTPUT AND MALE INPUTMALE INPUT. 20 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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