PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

300030Attenuator,fixed

Microtech Inc Dba Microtech Inc · NSN 5985-00-902-7954 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-902-7954 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-902-7954. Primary manufacturer part number: 300030.
Features
  • Attenuator,fixed — FSC 5985
  • Schematic Diagram Designator: UNBALANCED "PI"
  • Power Rating: 500.0 MILLIWATTS AVERAGE
  • Input Impedance Rating in Ohms: 50.0
  • Terminal Type and Quantity: 2 CONNECTOR
  • Frequency Range: 30.000 MEGAHERTZ MINIMUM AND 70.000 MEGAHERTZ MAXIMUM
  • Output Impedance Rating in Ohms: 50.0
  • Mounting Method: TERMINAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-00-902-7954, 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 Microtech Inc Dba Microtech Inc. Government technical data includes 10 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-902-7954
Primary Part Number300030
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerMicrotech Inc Dba Microtech Inc
StatusACTIVE
Schematic Diagram DesignatorUNBALANCED "PI"
Power Rating500.0 MILLIWATTS AVERAGE
Input Impedance Rating in Ohms50.0
Terminal Type and Quantity2 CONNECTOR
Frequency Range30.000 MEGAHERTZ MINIMUM AND 70.000 MEGAHERTZ MAXIMUM
Output Impedance Rating in Ohms50.0
Mounting MethodTERMINAL
Attenuation Accuracy in Decibels-3.00 TO 3.00
Rf Signal Attenuation in Decibels70.0
Application DesignTRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5360-00-550-8914DI1000 INTERCHANGEABLE
Spring,helical,compression
Kaydon Custom Filtration Corporation
5985-00-682-88283000-30 INTERCHANGEABLE
Coupler,directional
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5340-00-878-5833 INTERCHANGEABLE
Boot,dust and Moisture Seal
4330-01-200-559934-0030 INTERCHANGEABLE
Filter Unit Subassembly,fluid
Parker Hannifin Corporation Div Village Marine Tech
7010-01-278-07633000/30 INTERCHANGEABLE
Computer System,digital
Sypris Electronics, Llc Div Sypris Electronics, Llc - Colorado Field Services
4810-01-503-5991300030 INTERCHANGEABLE
Valve,butterfly
Mega Corp.
3950-01-655-5958 INTERCHANGEABLE
Hoist,wire Rope
5998-01-700-0230300030-1 INTERCHANGEABLE
Circuit Card Assembly
Amentum Services, Inc.
Cross-Reference Index
Part NumberManufacturer
CN1079ARM87 Joint Electronics Type Designation System (USA)
300030 PRIMARY Microtech Inc Dba Microtech Inc (USA)
Related Parts
5360-00-550-8914INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
DI1000
5985-00-682-8828INTERCHANGEABLE
COUPLER,DIRECTIONAL
3000-30
5340-00-878-5833INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
4330-01-200-5599INTERCHANGEABLE
FILTER UNIT SUBASSEMBLY,FLUID
34-0030
7010-01-278-0763INTERCHANGEABLE
COMPUTER SYSTEM,DIGITAL
3000/30
4810-01-503-5991INTERCHANGEABLE
VALVE,BUTTERFLY
300030
3950-01-655-5958INTERCHANGEABLE
HOIST,WIRE ROPE
5998-01-700-0230INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
300030-1

Frequently Asked Questions

What is NSN 5985-00-902-7954?

NSN 5985-00-902-7954 is a Attenuator,fixed, manufactured by Microtech Inc Dba Microtech Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-902-7954?

NSN 5985-00-902-7954 has 2 cross-referenced part numbers: CN1079ARM87 (Joint Electronics Type Designation System), 300030 (Microtech Inc Dba Microtech Inc).

What NSN replaces 5985-00-902-7954?

There are 8 known substitutes for 5985-00-902-7954: 5360-00-550-8914, 5985-00-682-8828, 5340-00-878-5833 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300030?

Key specifications for 300030: Overall Height: 0.468 INCHES NOMINAL IN; Schematic Diagram Designator: UNBALANCED "PI"; Power Rating: 500.0 MILLIWATTS AVERAGE; Input Impedance Rating in Ohms: 50.0. 13 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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