PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2994574-4Attenuator,fixed

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5985-00-513-2856 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-513-2856 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-513-2856. Primary manufacturer part number: 2994574-4.
Features
  • Attenuator,fixed — FSC 5985
  • Surface Treatment: SILVER BODY
  • Material: COPPER ALLOY BODY
  • FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
  • Surface Treatment: SILVER TERMINAL
  • Application Design: TRANSMISSION LINE
  • Attenuation Accuracy in Decibels: -0.50 TO 0.50
  • Mounting Method: CONNECTOR
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-00-513-2856, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5985-00-513-2856
Primary Part Number2994574-4
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Surface TreatmentSILVER BODY
MaterialCOPPER ALLOY BODY
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Surface TreatmentSILVER TERMINAL
Application DesignTRANSMISSION LINE
Attenuation Accuracy in Decibels-0.50 TO 0.50
Mounting MethodCONNECTOR
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Power Rating1.0 WATTS AVERAGE
Connection Type Per FunctionFEMALE INPUT AND MALE OUTPUT
Voltage Standing Wave Ratio Frequency Range+0.0 TO 2.0 GIGAHERTZ
Frequency Range0.000 HERTZ MINIMUM AND 2.000 GIGAHERTZ MAXIMUM
Attenuation Accuracy Reference Frequency2.0 GIGAHERTZ
Precious Material and LocationEXTERNAL SURFACES SILVER
Rf Signal Attenuation in Decibels3.0
Precious MaterialSILVER
Overall Diameter0.590 INCHES NOMINAL IN
Output Impedance Rating in Ohms50.0
Voltage Standing Wave Ratio1.20
Coaxial Connector Series DesignationBNC
Input Impedance Rating in Ohms50.0
Terminal Type and Quantity2 CONNECTOR
MaterialCOPPER ALLOY TERMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5815-00-042-8863 INTERCHANGEABLE
Teletypewriter Subassembly
5330-00-202-502360052 INTERCHANGEABLE
Seal,plain Encased
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
3455-00-204-168319642 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5340-00-726-3204100-200-8A8 INTERCHANGEABLE
Clip,spring Tension
Atlee of Delaware, Incorporated
1650-00-887-4339668248-1 INTERCHANGEABLE
Cylinder Assembly,actuating,line
Lockheed Martin Corp
1730-01-145-016660032 INTERCHANGEABLE
Console,moog Controller
Time Manufacturing Company Dba Time Manufacturing Company
3040-01-181-861660032 INTERCHANGEABLE
Shaft,straight
Republic Machinery Co Inc Dba Republic Lagun Machine Tool Co
4730-01-199-1457600-32 INTERCHANGEABLE
Clamp,hose
Acd Tridon Inc
5940-01-233-32036003-2 INTERCHANGEABLE
Ferrule,metallic Shielded Cable,
Crane Con Products Co
6532-01-269-834560032 INTERCHANGEABLE
Diaper,adult's
Covidien Healthcare Div Medical
Cross-Reference Index
Part NumberManufacturer
600-5-2 Meca Electronics Inc (USA)
600-3-2 Meca Electronics Inc (USA)
2994574-4 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
9217C0009-4 Lockheed Corp Lockheed Electronics Co Inc (USA)
Related Parts
5815-00-042-8863INTERCHANGEABLE
TELETYPEWRITER SUBASSEMBLY
5330-00-202-5023INTERCHANGEABLE
SEAL,PLAIN ENCASED
60052
3455-00-204-1683INTERCHANGEABLE
REAMER,MACHINE
19642
5340-00-726-3204INTERCHANGEABLE
CLIP,SPRING TENSION
100-200-8A8
1650-00-887-4339INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
668248-1
1730-01-145-0166INTERCHANGEABLE
CONSOLE,MOOG CONTROLLER
60032
3040-01-181-8616INTERCHANGEABLE
SHAFT,STRAIGHT
60032
4730-01-199-1457INTERCHANGEABLE
CLAMP,HOSE
600-32
5940-01-233-3203INTERCHANGEABLE
FERRULE,METALLIC SHIELDED CABLE,
6003-2
6532-01-269-8345INTERCHANGEABLE
DIAPER,ADULT'S
60032
6625-01-277-0009INTERCHANGEABLE
DIVIDER,POWER,RADIO FREQUENCY
2533
5999-01-280-0956INTERCHANGEABLE
CLIP,ELECTRICAL
6005-2

Frequently Asked Questions

What is NSN 5985-00-513-2856?

NSN 5985-00-513-2856 is a Attenuator,fixed, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-513-2856?

NSN 5985-00-513-2856 has 4 cross-referenced part numbers: 600-5-2 (Meca Electronics Inc), 600-3-2 (Meca Electronics Inc), 2994574-4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 9217C0009-4 (Lockheed Corp Lockheed Electronics Co Inc).

What NSN replaces 5985-00-513-2856?

There are 12 known substitutes for 5985-00-513-2856: 5815-00-042-8863, 5330-00-202-5023, 3455-00-204-1683 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2994574-4?

Key specifications for 2994574-4: Surface Treatment: SILVER BODY; Material: COPPER ALLOY BODY; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Surface Treatment: SILVER TERMINAL. 24 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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