PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

451-3Attenuator,fixed

Cinch Connectivity Solutions Inc · NSN 5985-01-413-9935 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-413-9935 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-413-9935. Primary manufacturer part number: 451-3.
Features
  • Attenuator,fixed — FSC 5985
  • Input Impedance Rating in Ohms: 50.0
  • Voltage Standing Wave Ratio: 1.12 AND 1.15 AND 1.20
  • Coaxial Connector Series Designation: SMA
  • Voltage Standing Wave Ratio Frequency Range: +0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 8.0 GIGAHERTZ AND +8.0 TO 18.0 GIGAHERTZ
  • Operating Temp Range: -65.0 TO 125.0 CELSIUS DEGC
  • Specification/standard Data: 81413-995580 MANUFACTURERS SPECIFICATION
  • Mounting Method: CONNECTOR
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-413-9935, 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 16 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-413-9935
Primary Part Number451-3
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerCinch Connectivity Solutions Inc
StatusACTIVE
Input Impedance Rating in Ohms50.0
Voltage Standing Wave Ratio1.12 AND 1.15 AND 1.20
Coaxial Connector Series DesignationSMA
Voltage Standing Wave Ratio Frequency Range+0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 8.0 GIGAHERTZ AND +8.0 TO 18.0 GIGAHERTZ
Operating Temp Range-65.0 TO 125.0 CELSIUS DEGC
Specification/standard Data81413-995580 MANUFACTURERS SPECIFICATION
Mounting MethodCONNECTOR
Terminal Type and Quantity2 CONNECTOR
Power Rating2.0 WATTS AVERAGE AND 250.0 WATTS PEAK
Rf Signal Attenuation in Decibels3.0
Overall Diameter0.0280 INCHES NOMINAL IN
Output Impedance Rating in Ohms50.0
Connection Type Per FunctionFEMALE INPUT AND MALE OUTPUT
Frequency Range0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Application DesignTRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5315-00-198-59872058 INTERCHANGEABLE
Pin,tapered,plain
Bath Iron Works Corporation
5330-00-331-4439287-1020PT18 INTERCHANGEABLE
Seal,plain
Raytheon Company Dba Raytheon Co
5940-00-839-0828 INTERCHANGEABLE
Terminal,stud
5930-01-017-59294513-00 INTERCHANGEABLE
Switch,thermostatic
Pentair Filtration Solutions, Llc
6625-01-067-0770 INTERCHANGEABLE
Test Set,relay
5360-01-101-9121 INTERCHANGEABLE
Spring
6250-01-171-95134513 INTERCHANGEABLE
Lampholder
Hose-Mccann Telephone Co, Inc
6515-01-268-03774513VS INTERCHANGEABLE
Blade,laryngoscope
Carefusion 2200 Inc
5935-01-271-47674513 INTERCHANGEABLE
Plug,tip
Fluke Electronics Corp
9320-01-478-35974513 INTERCHANGEABLE
Rubber Sheet,cellular
Better Engineering Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
995580-003 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
451-3 PRIMARY Cinch Connectivity Solutions Inc (USA)
Related Parts
5315-00-198-5987INTERCHANGEABLE
PIN,TAPERED,PLAIN
2058
5330-00-331-4439INTERCHANGEABLE
SEAL,PLAIN
287-1020PT18
5940-00-839-0828INTERCHANGEABLE
TERMINAL,STUD
5930-01-017-5929INTERCHANGEABLE
SWITCH,THERMOSTATIC
4513-00
6625-01-067-0770INTERCHANGEABLE
TEST SET,RELAY
5360-01-101-9121INTERCHANGEABLE
SPRING
6250-01-171-9513INTERCHANGEABLE
LAMPHOLDER
4513
6515-01-268-0377INTERCHANGEABLE
BLADE,LARYNGOSCOPE
4513VS
5935-01-271-4767INTERCHANGEABLE
PLUG,TIP
4513
9320-01-478-3597INTERCHANGEABLE
RUBBER SHEET,CELLULAR
4513
5935-01-566-7931INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
4513
1030-01-611-9756INTERCHANGEABLE
COVER,GUN MOUNT
4513

Frequently Asked Questions

What is NSN 5985-01-413-9935?

NSN 5985-01-413-9935 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 5985-01-413-9935?

NSN 5985-01-413-9935 has 2 cross-referenced part numbers: 995580-003 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems), 451-3 (Cinch Connectivity Solutions Inc).

What NSN replaces 5985-01-413-9935?

There are 12 known substitutes for 5985-01-413-9935: 5315-00-198-5987, 5330-00-331-4439, 5940-00-839-0828 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 451-3?

Key specifications for 451-3: Input Impedance Rating in Ohms: 50.0; Voltage Standing Wave Ratio: 1.12 AND 1.15 AND 1.20; Coaxial Connector Series Designation: SMA; Overall Length: 0.860 INCHES NOMINAL IN. 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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