PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3271593-3Attenuator,fixed

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5985-01-134-1177 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-134-1177 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-134-1177. Primary manufacturer part number: 3271593-3.
Features
  • Attenuator,fixed — FSC 5985
  • FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
  • Rf Signal Attenuation in Decibels: 8.0
  • Power Rating: 5.0 WATTS AVERAGE AND 1.0 KILOWATTS PEAK
  • Overall Diameter: 0.840 INCHES MAXIMUM IN
  • Voltage Standing Wave Ratio: 1.20
  • Frequency Range: 5.400 GIGAHERTZ MINIMUM AND 5.900 GIGAHERTZ MAXIMUM
  • Attenuation Accuracy in Decibels: -0.22 TO 0.22
Applications
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-134-1177, 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 20 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-134-1177
Primary Part Number3271593-3
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Rf Signal Attenuation in Decibels8.0
Power Rating5.0 WATTS AVERAGE AND 1.0 KILOWATTS PEAK
Overall Diameter0.840 INCHES MAXIMUM IN
Voltage Standing Wave Ratio1.20
Frequency Range5.400 GIGAHERTZ MINIMUM AND 5.900 GIGAHERTZ MAXIMUM
Attenuation Accuracy in Decibels-0.22 TO 0.22
Frequency Sensitivity Attenuation in Decibels0.44
Unpackaged Unit Weight3.000 POUNDS LBS
Input Impedance Rating in Ohms50.0
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Mounting MethodCONNECTOR
Output Impedance Rating in Ohms50.0
Connection Type Per FunctionFEMALE OUTPUT AND MALE INPUT
Coaxial Connector Series DesignationN
Voltage Standing Wave Ratio Frequency Range+5.4 TO 5.9 GIGAHERTZ
Terminal Type and Quantity2 CONNECTOR
MaterialSTEEL CORROSION RESISTING BODY
MaterialSTEEL CORROSION RESISTING TERMINAL
Application DesignTRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5365-00-209-5806 INTERCHANGEABLE
Shim
5826-00-594-4613 INTERCHANGEABLE
Strip,tear
3030-01-291-957695114 INTERCHANGEABLE
Belt,positive Drive
Carlisle Power Transmission Products Inc
6110-01-437-766195114 INTERCHANGEABLE
Panel,power Distribution
Generac Corp
1005-01-498-487095114 INTERCHANGEABLE
Modular Handguard S
Charles Reed Knight Jr Dba Knight's Armament Company
6110-01-641-221895-114 INTERCHANGEABLE
Contactor,magnetic
Hii Unmanned Systems, Inc
Cross-Reference Index
Part NumberManufacturer
9511-4 Spectrum Control Inc Div Weinschel (USA)
3271593-3 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
5365-00-209-5806INTERCHANGEABLE
SHIM
5826-00-594-4613INTERCHANGEABLE
STRIP,TEAR
3030-01-291-9576INTERCHANGEABLE
BELT,POSITIVE DRIVE
95114
6110-01-437-7661INTERCHANGEABLE
PANEL,POWER DISTRIBUTION
95114
1005-01-498-4870INTERCHANGEABLE
MODULAR HANDGUARD S
95114
6110-01-641-2218INTERCHANGEABLE
CONTACTOR,MAGNETIC
95-114

Frequently Asked Questions

What is NSN 5985-01-134-1177?

NSN 5985-01-134-1177 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 5985-01-134-1177?

NSN 5985-01-134-1177 has 2 cross-referenced part numbers: 9511-4 (Spectrum Control Inc Div Weinschel), 3271593-3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What NSN replaces 5985-01-134-1177?

There are 6 known substitutes for 5985-01-134-1177: 5365-00-209-5806, 5826-00-594-4613, 3030-01-291-9576 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3271593-3?

Key specifications for 3271593-3: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; End Item Identification: RADAR SET,AN/SPG-51D; Rf Signal Attenuation in Decibels: 8.0; Power Rating: 5.0 WATTS AVERAGE AND 1.0 KILOWATTS PEAK. 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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