PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

581R234H02Attenuator-Coupler

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp · NSN 5985-00-188-6989 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-188-6989 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-188-6989. Primary manufacturer part number: 581R234H02.
Features
  • Attenuator-Coupler — FSC 5985
  • General Characteristics Item Description: 3.460 IN. LG,2.000 IN. W,1.000 IN. H IN
  • 3 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Attenuator-Coupler, cataloged under National Stock Number 5985-00-188-6989, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN5985-00-188-6989
Primary Part Number581R234H02
Item NameAttenuator-Coupler
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
StatusACTIVE
General Characteristics Item Description3.460 IN. LG,2.000 IN. W,1.000 IN. H IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-156-532611429 INTERCHANGEABLE
Bearing,ball,annular
Dana Off Highway Products, Llc
5310-00-176-8115AN320-12 INTERCHANGEABLE
Nut,plain,slotted,hexagon
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5120-00-242-0762 INTERCHANGEABLE
Bar,wrecking
6240-00-266-62291754 INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
4730-00-374-69434402-12S INTERCHANGEABLE
Adapter,straight,tube to Hose
Danfoss Power Solutions II, Llc
4920-00-480-56081754 INTERCHANGEABLE
Test Set,pitot Stat
Meggitt (uk) Limited
5910-00-681-92640160-0102 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Agilent Technologies, Inc. Div Agilent Technologies Headquarters
5905-00-784-7002P63E-29R50F INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Shallcross Inc
4720-00-803-7157 INTERCHANGEABLE
Hose,nonmetallic
5950-00-830-3175 INTERCHANGEABLE
Coil,radio Frequency
Cross-Reference Index
Part NumberManufacturer
1754 Centroid, Inc. Dba Centroid Inc (USA)
581R234H02 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
581R234H02 Precision Integration Inc (USA)
Related Parts
3110-00-156-5326INTERCHANGEABLE
BEARING,BALL,ANNULAR
11429
5310-00-176-8115INTERCHANGEABLE
NUT,PLAIN,SLOTTED,HEXAGON
AN320-12
5120-00-242-0762INTERCHANGEABLE
BAR,WRECKING
6240-00-266-6229INTERCHANGEABLE
LAMP,INCANDESCENT
1754
4730-00-374-6943INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO HOSE
4402-12S
4920-00-480-5608INTERCHANGEABLE
TEST SET,PITOT STAT
1754
5910-00-681-9264INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
0160-0102
5905-00-784-7002INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
P63E-29R50F
4720-00-803-7157INTERCHANGEABLE
HOSE,NONMETALLIC
5950-00-830-3175INTERCHANGEABLE
COIL,RADIO FREQUENCY
5975-00-878-4873INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
8521
2940-01-011-9260INTERCHANGEABLE
FILTER ELEMENT,FLUID
51797

Frequently Asked Questions

What is NSN 5985-00-188-6989?

NSN 5985-00-188-6989 is a Attenuator-Coupler, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-188-6989?

NSN 5985-00-188-6989 has 3 cross-referenced part numbers: 1754 (Centroid, Inc. Dba Centroid Inc), 581R234H02 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 581R234H02 (Precision Integration Inc).

What NSN replaces 5985-00-188-6989?

There are 12 known substitutes for 5985-00-188-6989: 3110-00-156-5326, 5310-00-176-8115, 5120-00-242-0762 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 581R234H02?

Key specifications for 581R234H02: End Item Identification: AN/ALQ-101; General Characteristics Item Description: 3.460 IN. LG,2.000 IN. W,1.000 IN. H IN. 2 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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