PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-DTL-3933/18Attenuator,fixed

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5985-01-486-1968 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-486-1968 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-486-1968. Primary manufacturer part number: MIL-DTL-3933/18.
Features
  • Attenuator,fixed — FSC 5985
  • Terminal Type and Quantity: 2 CONNECTOR
  • Input Impedance Rating in Ohms: 50.0
  • Coaxial Connector Series Designation: N
  • Body Style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
  • Rf Signal Attenuation in Decibels: 5.0
  • Overall Diameter: 0.840 INCHES MAXIMUM IN
  • Output Impedance Rating in Ohms: 50.0
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,fixed, cataloged under National Stock Number 5985-01-486-1968, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN5985-01-486-1968
Primary Part NumberMIL-DTL-3933/18
Item NameAttenuator,fixed
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Terminal Type and Quantity2 CONNECTOR
Input Impedance Rating in Ohms50.0
Coaxial Connector Series DesignationN
Body StyleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
Rf Signal Attenuation in Decibels5.0
Overall Diameter0.840 INCHES MAXIMUM IN
Output Impedance Rating in Ohms50.0
Application DesignTRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5985-00-817-8431 INTERCHANGEABLE
Attenuator,fixed
5985-01-037-1727 INTERCHANGEABLE
Attenuator,fixed
5985-01-041-6605 INTERCHANGEABLE
Attenuator,fixed
5985-01-048-0174 INTERCHANGEABLE
Attenuator,fixed
5985-01-234-845810146-30 INTERCHANGEABLE
Attenuator,fixed
Spectrum Control Inc Div Weinschel
5985-01-396-8585 INTERCHANGEABLE
Attenuator,fixed
5985-01-433-9173 INTERCHANGEABLE
Attenuator,fixed
5985-01-667-6230 INTERCHANGEABLE
Attenuator,fixed
Cross-Reference Index
Part NumberManufacturer
MIL-DTL-3933/18 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M3933/18-12S Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5985-00-817-8431INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-037-1727INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-041-6605INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-048-0174INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-234-8458INTERCHANGEABLE
ATTENUATOR,FIXED
10146-30
5985-01-396-8585INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-433-9173INTERCHANGEABLE
ATTENUATOR,FIXED
5985-01-667-6230INTERCHANGEABLE
ATTENUATOR,FIXED

Frequently Asked Questions

What is NSN 5985-01-486-1968?

NSN 5985-01-486-1968 is a Attenuator,fixed, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-486-1968?

NSN 5985-01-486-1968 has 2 cross-referenced part numbers: MIL-DTL-3933/18 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M3933/18-12S (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5985-01-486-1968?

There are 8 known substitutes for 5985-01-486-1968: 5985-00-817-8431, 5985-01-037-1727, 5985-01-041-6605 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-DTL-3933/18?

Key specifications for MIL-DTL-3933/18: Overall Length: 2.700 INCHES MAXIMUM IN; Terminal Type and Quantity: 2 CONNECTOR; Input Impedance Rating in Ohms: 50.0; Special Features: TERMINATIONS ARE 1 TYPE N FEMALE CONNECTOR AND 1 TYPE N. 11 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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