PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MPM233BAttenuator,variable

Cobham Advanced Electronic Solutions Inc. · NSN 5985-01-187-9934 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-187-9934 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-187-9934. Primary manufacturer part number: MPM233B.
Features
  • Attenuator,variable — FSC 5985
  • 3 verified cross-references
  • Primary manufacturer: Cobham Advanced Electronic Solutions Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator,variable, cataloged under National Stock Number 5985-01-187-9934, 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 Cobham Advanced Electronic Solutions Inc.. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-187-9934
Primary Part NumberMPM233B
Item NameAttenuator,variable
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerCobham Advanced Electronic Solutions Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5985-01-036-8104581R530H06 INTERCHANGEABLE
Attenuator,variable
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5985-01-187-9933182400 INTERCHANGEABLE
Attenuator,variable
Anaren, Inc. Div Anaren Microwave Inc
5985-01-187-9935 INTERCHANGEABLE
Attenuator,variable
5985-01-190-6492 INTERCHANGEABLE
Attenuator,variable
Cross-Reference Index
Part NumberManufacturer
MPM233B Cobham Advanced Electronic Solutions Inc. (USA)
581R530 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
581R530H06 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
Related Parts
5985-01-036-8104INTERCHANGEABLE
ATTENUATOR,VARIABLE
581R530H06
5985-01-187-9933INTERCHANGEABLE
ATTENUATOR,VARIABLE
182400
5985-01-187-9935INTERCHANGEABLE
ATTENUATOR,VARIABLE
5985-01-190-6492INTERCHANGEABLE
ATTENUATOR,VARIABLE

Frequently Asked Questions

What is NSN 5985-01-187-9934?

NSN 5985-01-187-9934 is a Attenuator,variable, manufactured by Cobham Advanced Electronic Solutions Inc., classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-187-9934?

NSN 5985-01-187-9934 has 3 cross-referenced part numbers: MPM233B (Cobham Advanced Electronic Solutions Inc.), 581R530 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 581R530H06 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).

What NSN replaces 5985-01-187-9934?

There are 4 known substitutes for 5985-01-187-9934: 5985-01-036-8104, 5985-01-187-9933, 5985-01-187-9935 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MPM233B?

Key specifications for MPM233B: End Item Identification: AN/ALQ-131 BLOCK I. 1 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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