PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

379-0564-030Attenuator,fixed

Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems · NSN 5985-01-221-8255 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-221-8255 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-221-8255. Primary manufacturer part number: 379-0564-030.
Features
  • Attenuator,fixed — FSC 5985
  • Application Design: TRANSMISSION LINE
  • Attenuation Accuracy in Decibels: -0.50 TO 0.50
  • Voltage Standing Wave Ratio Frequency Range: +0.0 TO 1.0 GIGAHERTZ AND +1.0 TO 2.5 GIGAHERTZ AND +2.5 TO 4.0 GIGAHERTZ
  • Terminal Type and Quantity: 2 RIBBON AND 1 SURFACE CONTACT
  • Criticality Code Justification: FEAT
  • Mounting Method: TERMINAL
  • Frequency Range: 0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM
Applications
  • Applications requiring Beryllium Copper (use Cub000) Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-221-8255, 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 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 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
NSN5985-01-221-8255
Primary Part Number379-0564-030
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerRockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
StatusACTIVE
Application DesignTRANSMISSION LINE
Attenuation Accuracy in Decibels-0.50 TO 0.50
Voltage Standing Wave Ratio Frequency Range+0.0 TO 1.0 GIGAHERTZ AND +1.0 TO 2.5 GIGAHERTZ AND +2.5 TO 4.0 GIGAHERTZ
Terminal Type and Quantity2 RIBBON AND 1 SURFACE CONTACT
Criticality Code JustificationFEAT
Mounting MethodTERMINAL
Frequency Range0.000 HERTZ MINIMUM AND 4.000 GIGAHERTZ MAXIMUM
Power Rating20.0 WATTS AVERAGE
Body StyleRECTANGULAR TERMINAL/TERMINALS ON THREE SURFACES
Voltage Standing Wave Ratio1.15 AND 1.35 AND 1.50
Input Impedance Rating in Ohms50.0
Operating Temp Range-55.0 TO 150.0 CELSIUS DEGC
Rf Signal Attenuation in Decibels3.0
Output Impedance Rating in Ohms50.0
Precious MaterialGOLD
Precious Material and LocationTERMINALS GOLD
MaterialBERYLLIUM COPPER (USE CUB000) BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5975-00-012-0095120095 INTERCHANGEABLE
Cable Nipple,electrical
Chrysler Realty Company Llc Dba Daimler Chrysler
4820-00-083-135670380902 INTERCHANGEABLE
Parts Kit,valve
Hydro-Aire Aerospace Corp
5935-00-105-76853181-2241-00 INTERCHANGEABLE
Adapter,connector
Tyco Electronics Corp
5962-00-342-9378SNC5403J INTERCHANGEABLE
Microcircuit,digital
Texas Instruments Incorporated
6145-00-542-6092 INTERCHANGEABLE
Cable,radio Frequency
2530-00-679-73311243659 INTERCHANGEABLE
Seal Kit,wheel Bear
Chrysler Realty Company Llc Dba Daimler Chrysler
4940-01-396-5517 INTERCHANGEABLE
Platform Lift
7025-01-620-998941Y8264 INTERCHANGEABLE
Hybrid Memory Storage,ssd and Hd
International Business Machines Corporation Dba IBM
Cross-Reference Index
Part NumberManufacturer
PPA-20-3 Caes Systems Llc (USA)
379-0564-030 PRIMARY Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
5403 Smiths Interconnect Americas, Inc. (USA)
A200-003-20 Jfw Industries Incorporated Dba Jfw Industries Inc (USA)
054504-0003 Thales Usa, Inc. Div Air Mobility Solutions ("ams") (USA)
A3RW11-3 Caes Systems Llc (USA)
935-000-30B Sv Microwave, Inc. Div Sv Microwave (USA)
Related Parts
5975-00-012-0095INTERCHANGEABLE
CABLE NIPPLE,ELECTRICAL
120095
4820-00-083-1356INTERCHANGEABLE
PARTS KIT,VALVE
70380902
5935-00-105-7685INTERCHANGEABLE
ADAPTER,CONNECTOR
3181-2241-00
5962-00-342-9378INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
SNC5403J
6145-00-542-6092INTERCHANGEABLE
CABLE,RADIO FREQUENCY
2530-00-679-7331INTERCHANGEABLE
SEAL KIT,WHEEL BEAR
1243659
4940-01-396-5517INTERCHANGEABLE
PLATFORM LIFT
7025-01-620-9989INTERCHANGEABLE
HYBRID MEMORY STORAGE,SSD AND HD
41Y8264

Frequently Asked Questions

What is NSN 5985-01-221-8255?

NSN 5985-01-221-8255 is a Attenuator,fixed, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-221-8255?

NSN 5985-01-221-8255 has 7 cross-referenced part numbers: PPA-20-3 (Caes Systems Llc), 379-0564-030 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), 5403 (Smiths Interconnect Americas, Inc.), A200-003-20 (Jfw Industries Incorporated Dba Jfw Industries Inc), 054504-0003 (Thales Usa, Inc. Div Air Mobility Solutions ("ams")) and 2 more.

What NSN replaces 5985-01-221-8255?

There are 8 known substitutes for 5985-01-221-8255: 5975-00-012-0095, 4820-00-083-1356, 5935-00-105-7685 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 379-0564-030?

Key specifications for 379-0564-030: Application Design: TRANSMISSION LINE; Overall Height: 0.150 INCHES MAXIMUM IN; Attenuation Accuracy in Decibels: -0.50 TO 0.50; Voltage Standing Wave Ratio Frequency Range: +0.0 TO 1.0 GIGAHERTZ AND +1.0 TO 2.5 GIGAHERTZ AND +2.5 TO 4.0 GIGAHERTZ. 22 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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