PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8557P1Attenuator,fixed

General Microwave Corporation Div Kratos Microwave Electronics · NSN 5985-01-053-6069 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-053-6069 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-053-6069. Primary manufacturer part number: 8557P1.
Features
  • Attenuator,fixed — FSC 5985
  • Mounting Method: CONNECTORCONNECTOR
  • Coaxial Connector Series Designation: NN
  • Rf Signal Attenuation in Decibels: 3.03.0
  • Voltage Standing Wave Ratio Frequency Range: +0.0 TO 4.0 GIGAHERTZ AND +0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 8.0 GIGAHERTZ AND +4.0 TO 8.0 GIGAHERTZ AND +8.0 TO 12.4 GIGAHERTZ AND +8.0 TO 12.4 GIGAHERTZ AND +12.4 TO 18.0 GIGAHERTZ+12.4 TO 18.0 GIGAHERTZ
  • Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
  • Frequency Range: 0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM18.000 GIGAHERTZ MAXIMUM
  • Power Rating: 2.0 WATTS AVERAGE AND 2.0 WATTS AVERAGE AND 500.0 WATTS PEAK500.0 WATTS PEAK
Applications
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-053-6069, 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 General Microwave Corporation Div Kratos Microwave Electronics. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 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
NSN5985-01-053-6069
Primary Part Number8557P1
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerGeneral Microwave Corporation Div Kratos Microwave Electronics
StatusACTIVE
Mounting MethodCONNECTORCONNECTOR
Coaxial Connector Series DesignationNN
Rf Signal Attenuation in Decibels3.03.0
Voltage Standing Wave Ratio Frequency Range+0.0 TO 4.0 GIGAHERTZ AND +0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 8.0 GIGAHERTZ AND +4.0 TO 8.0 GIGAHERTZ AND +8.0 TO 12.4 GIGAHERTZ AND +8.0 TO 12.4 GIGAHERTZ AND +12.4 TO 18.0 GIGAHERTZ+12.4 TO 18.0 GIGAHERTZ
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Frequency Range0.000 HERTZ MINIMUM AND 0.000 HERTZ MINIMUM AND 18.000 GIGAHERTZ MAXIMUM18.000 GIGAHERTZ MAXIMUM
Power Rating2.0 WATTS AVERAGE AND 2.0 WATTS AVERAGE AND 500.0 WATTS PEAK500.0 WATTS PEAK
Overall Diameter0.810 INCHES MAXIMUM0.810 INCHES MAXIMUM IN
Output Impedance Rating in Ohms50.050.0
Voltage Standing Wave Ratio1.15 AND 1.15 AND 1.20 AND 1.20 AND 1.25 AND 1.25 AND 1.401.40
Input Impedance Rating in Ohms50.050.0
MaterialSTEEL CORROSION RESISTING BODY
Terminal Type and Quantity2 CONNECTOR2 CONNECTOR
Connection Type Per FunctionFEMALE INPUT AND FEMALE INPUT AND MALE OUTPUTMALE OUTPUT
Application DesignTRANSMISSION LINETRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-120-4289001-27965 INTERCHANGEABLE
Roller,bearing
Tvh Parts Co.
5975-00-132-9472 INTERCHANGEABLE
Conduit,metal,flexible
6210-00-176-6083388.3RED INTERCHANGEABLE
Lens,light
Itt Schadow Inc
5935-00-202-0964 INTERCHANGEABLE
Connector,plug,electrical
5950-00-493-3962463061-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
1680-00-546-09303883 INTERCHANGEABLE
Arm,shoulder Harness
Nell-Joy Industries, Inc.
2590-00-594-6176 INTERCHANGEABLE
Cable Assy,special
6625-01-075-1441 INTERCHANGEABLE
Computer Board
5915-01-214-5263 INTERCHANGEABLE
Filter,radio Frequency Interfere
6610-01-216-95233883 INTERCHANGEABLE
Cap End
Kearflex Engineering Company
Cross-Reference Index
Part NumberManufacturer
388-3 Cinch Connectivity Solutions Inc (USA)
8557P1 PRIMARY General Microwave Corporation Div Kratos Microwave Electronics (USA)
PE7004-3 Infinite Electronics International, Inc. (USA)
PE7004-3 Rojone Pty Limited Livia Brady (AUS)
Related Parts
3110-00-120-4289INTERCHANGEABLE
ROLLER,BEARING
001-27965
5975-00-132-9472INTERCHANGEABLE
CONDUIT,METAL,FLEXIBLE
6210-00-176-6083INTERCHANGEABLE
LENS,LIGHT
388.3RED
5935-00-202-0964INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
5950-00-493-3962INTERCHANGEABLE
TRANSFORMER,POWER
463061-1
1680-00-546-0930INTERCHANGEABLE
ARM,SHOULDER HARNESS
3883
2590-00-594-6176INTERCHANGEABLE
CABLE ASSY,SPECIAL
6625-01-075-1441INTERCHANGEABLE
COMPUTER BOARD
5915-01-214-5263INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
6610-01-216-9523INTERCHANGEABLE
CAP END
3883
3040-01-356-7707INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
3883C1
3040-01-356-7852INTERCHANGEABLE
CONNECTING LINK,RIGID
3883B1

Frequently Asked Questions

What is NSN 5985-01-053-6069?

NSN 5985-01-053-6069 is a Attenuator,fixed, manufactured by General Microwave Corporation Div Kratos Microwave Electronics, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-053-6069?

NSN 5985-01-053-6069 has 4 cross-referenced part numbers: 388-3 (Cinch Connectivity Solutions Inc), 8557P1 (General Microwave Corporation Div Kratos Microwave Electronics), PE7004-3 (Infinite Electronics International, Inc.), PE7004-3 (Rojone Pty Limited Livia Brady).

What NSN replaces 5985-01-053-6069?

There are 12 known substitutes for 5985-01-053-6069: 3110-00-120-4289, 5975-00-132-9472, 6210-00-176-6083 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8557P1?

Key specifications for 8557P1: Mounting Method: CONNECTORCONNECTOR; Coaxial Connector Series Designation: NN; Rf Signal Attenuation in Decibels: 3.03.0; Voltage Standing Wave Ratio Frequency Range: +0.0 TO 4.0 GIGAHERTZ AND +0.0 TO 4.0 GIGAHERTZ AND +4.0 TO 8.0 GIGAHERTZ AND +4.0 TO 8.0 GIGAHERTZ AND +8.0 TO 12.4 GIGAHERTZ AND +8.0 TO 12.4 GIGAHERTZ AND +12.4 TO 18.0 GIGAHERTZ+12.4 TO 18.0 GIGAHERTZ. 16 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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