PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILA38728Attenuator,variable

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5985-00-993-9085 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-993-9085 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-993-9085. Primary manufacturer part number: MILA38728.
Features
  • Attenuator,variable — FSC 5985
  • Body Style: WAVEGUIDE TYPE
  • Insertion Loss at Minimum Attenuation in Maximum Decibels: 1.0
  • Reference Data and Literature: HEWLETT-PACKARD 1963 CATALOG
  • Overall Attenuation Accuracy in Decibels: -0.10 TO 0.10
  • Overall Attenuation Range in Decibels: +0.0 TO 50.0
  • Frequency Range: 8.200 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM
  • Adjustment Device Type and Quantity: 1 KNOB
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-00-993-9085, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5985-00-993-9085
Primary Part NumberMILA38728
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Body StyleWAVEGUIDE TYPE
Insertion Loss at Minimum Attenuation in Maximum Decibels1.0
Reference Data and LiteratureHEWLETT-PACKARD 1963 CATALOG
Overall Attenuation Accuracy in Decibels-0.10 TO 0.10
Overall Attenuation Range in Decibels+0.0 TO 50.0
Frequency Range8.200 GIGAHERTZ MINIMUM AND 12.400 GIGAHERTZ MAXIMUM
Adjustment Device Type and Quantity1 KNOB
Power Rating10.0 WATTS AVERAGE
Application DesignWAVEGUIDE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4730-00-289-0051SAE J246 8-6 120202BA INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
4730-00-736-9436 INTERCHANGEABLE
Elbow,pipe to Tube
5985-00-755-52739063644 INTERCHANGEABLE
Attenuator,variable
Us Army Aviation and Missile Command
5985-00-823-5396 INTERCHANGEABLE
Attenuator,variable
5331-00-950-82172J8163 INTERCHANGEABLE
O-Ring
Caterpillar Inc Div Caterpillar Defense
5340-01-595-7552215709-01 INTERCHANGEABLE
Bracket,mounting
Datapath, Inc. Dba Datapath Inc
Cross-Reference Index
Part NumberManufacturer
MILA38728 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILA387281 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
X164A Microlab/fxr Llc (USA)
MILEN23919 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
215709 Edo (USA)
Related Parts
4730-00-289-0051INTERCHANGEABLE
ELBOW,PIPE TO TUBE
SAE J246 8-6 120202BA
4730-00-736-9436INTERCHANGEABLE
ELBOW,PIPE TO TUBE
5985-00-755-5273INTERCHANGEABLE
ATTENUATOR,VARIABLE
9063644
5985-00-823-5396INTERCHANGEABLE
ATTENUATOR,VARIABLE
5331-00-950-8217INTERCHANGEABLE
O-RING
2J8163
5340-01-595-7552INTERCHANGEABLE
BRACKET,MOUNTING
215709-01

Frequently Asked Questions

What is NSN 5985-00-993-9085?

NSN 5985-00-993-9085 is a Attenuator,variable, 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: cancelled.

What are the part numbers for NSN 5985-00-993-9085?

NSN 5985-00-993-9085 has 6 cross-referenced part numbers: MILA38728 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILA387281 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), X164A (Microlab/fxr Llc), MILEN23919 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5985-00-993-9085?

There are 6 known substitutes for 5985-00-993-9085: 4730-00-289-0051, 4730-00-736-9436, 5985-00-755-5273 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILA38728?

Key specifications for MILA38728: Special Features: WAVEGUIDE SIZE1 X 1/2 INCHES IN; Body Style: WAVEGUIDE TYPE; Overall Width: 4.687 INCHES NOMINAL IN; Insertion Loss at Minimum Attenuation in Maximum Decibels: 1.0. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-00-993-9085 still in active supply?

NSN 5985-00-993-9085 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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