PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AH-H63Attenuator,fixed

Microlab/fxr Llc · NSN 5985-01-215-4719 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-215-4719 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-215-4719. Primary manufacturer part number: AH-H63.
Features
  • Attenuator,fixed — FSC 5985
  • Output Impedance Rating in Ohms: 50.0
  • Frequency Range: 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
  • Rf Signal Attenuation in Decibels: 12.0
  • Voltage Standing Wave Ratio Frequency Range: +0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 12.4 GIGAHERTZ AND +12.4 TO 18.0 GIGAHERTZ
  • Voltage Standing Wave Ratio: 1.15 AND 1.30 AND 1.35
  • Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
  • Coaxial Connector Series Designation: SMA
Applications
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-215-4719, 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 Microlab/fxr Llc. Government technical data includes 17 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-215-4719
Primary Part NumberAH-H63
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerMicrolab/fxr Llc
StatusACTIVE
Output Impedance Rating in Ohms50.0
Frequency Range0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM
Rf Signal Attenuation in Decibels12.0
Voltage Standing Wave Ratio Frequency Range+0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 12.4 GIGAHERTZ AND +12.4 TO 18.0 GIGAHERTZ
Voltage Standing Wave Ratio1.15 AND 1.30 AND 1.35
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Coaxial Connector Series DesignationSMA
Overall Diameter0.350 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Power Rating2.0 WATTS AVERAGE
Attenuation Accuracy in Decibels-0.75 TO 0.75
Terminal Type and Quantity2 CONNECTOR
Mounting MethodCONNECTOR
Input Impedance Rating in Ohms50.0
Operating Temp Range-65.0 TO 105.0 CELSIUS DEGC
Surface TreatmentPASSIVATE BODY
MaterialSTEEL CORROSION RESISTING BODY
Application DesignTRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5940-00-197-977231116 INTERCHANGEABLE
Terminal,lug
Bulova Technologies L.l.c. Dba Environmental Systems & Svcs
6515-01-139-893450-6212 INTERCHANGEABLE
Forceps,endoscopic
Pilling Surgical Inc Dba Pilling Weck Div Pilling Instruments
3040-01-388-6421506212 INTERCHANGEABLE
Spindle Housing
Excel Industries, Inc Dba Excel Industries of Kansas Div Government Sales
Cross-Reference Index
Part NumberManufacturer
A789BS Caes Systems Llc (USA)
435332-2 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
2082-4230-12 Cobham Advanced Electronic Solutions Inc. (USA)
4779-12 Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
435332-2 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
AH-H63 PRIMARY Microlab/fxr Llc (USA)
5062-12 Spectrum Control Inc Div Weinschel (USA)
MDC-8065-12 Dal-Tech Devices, Inc. Dba Dal-Tech Devices Inc Div Dal-Tec Devices, Inc (USA)
Related Parts
5940-00-197-9772INTERCHANGEABLE
TERMINAL,LUG
31116
6515-01-139-8934INTERCHANGEABLE
FORCEPS,ENDOSCOPIC
50-6212
3040-01-388-6421INTERCHANGEABLE
SPINDLE HOUSING
506212

Frequently Asked Questions

What is NSN 5985-01-215-4719?

NSN 5985-01-215-4719 is a Attenuator,fixed, manufactured by Microlab/fxr Llc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-215-4719?

NSN 5985-01-215-4719 has 8 cross-referenced part numbers: A789BS (Caes Systems Llc), 435332-2 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products), 2082-4230-12 (Cobham Advanced Electronic Solutions Inc.), 4779-12 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq), 435332-2 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems) and 3 more.

What NSN replaces 5985-01-215-4719?

There are 3 known substitutes for 5985-01-215-4719: 5940-00-197-9772, 6515-01-139-8934, 3040-01-388-6421. Verify interchangeability with system specifications before substitution.

What are the specifications of AH-H63?

Key specifications for AH-H63: Output Impedance Rating in Ohms: 50.0; Frequency Range: 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM; Rf Signal Attenuation in Decibels: 12.0; Voltage Standing Wave Ratio Frequency Range: +0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 12.4 GIGAHERTZ AND +12.4 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.
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