PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

128C845H02Coupler,directional

Northrop Grumman Support Services Corp · NSN 5985-00-578-5747 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-578-5747 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-578-5747. Primary manufacturer part number: 128C845H02.
Features
  • Coupler,directional — FSC 5985
  • Identifying Number: TERMINAL FITTING TYPE NO. UG-230D/U
  • Terminal Fitting Controlling Agency: AN
  • Radio Frequency Rating: 0.95 GIGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM
  • Unpackaged Unit Weight: 1.000 POUNDS NOMINAL LBS
  • Usage Design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING
  • Power Loss in Decibels: 20.0
  • Design Type: BIDIRECTIONAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,directional, cataloged under National Stock Number 5985-00-578-5747, 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 Support Services Corp. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 11 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
NSN5985-00-578-5747
Primary Part Number128C845H02
Item NameCoupler,directional
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Support Services Corp
StatusCANCELLED
Identifying NumberTERMINAL FITTING TYPE NO. UG-230D/U
Terminal Fitting Controlling AgencyAN
Radio Frequency Rating0.95 GIGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM
Unpackaged Unit Weight1.000 POUNDS NOMINAL LBS
Usage DesignMAIN LINE AND SECONDARY LINE TERMINAL FITTING
Power Loss in Decibels20.0
Design TypeBIDIRECTIONAL
Unit TypeTRANSMISSION LINE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
2520-00-679-795910861595 INTERCHANGEABLE
Disk Assembly
U S Army Tank Automotive Command Amsta-Im-Mm
4320-00-936-5444 INTERCHANGEABLE
Shaft Oil Pump
5962-01-094-82473002-20 INTERCHANGEABLE
Microcircuit,digital
Raytheon Company Div Rmd Strategic
4820-01-314-9305300220 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Mega Corp.
5306-01-438-7790300220 INTERCHANGEABLE
Bolt,machine
Control General Corp
5340-01-628-5512300220 INTERCHANGEABLE
Cover,protective,dust and Moistu
Comsaco, Llc Dba Comsaco Inc
Cross-Reference Index
Part NumberManufacturer
128C845H02 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA)
0297.3682.00 Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S (DEU)
352250023868 Thales Nederland (NLD)
CCPC3002-20 Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
3002 N TYPE 50 OHMS 20DB Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S (DEU)
128C845H02 PRIMARY Northrop Grumman Support Services Corp (USA)
3002-20 Narda Holdings, Inc. Div Dba Narda-Miteq (USA)
2973682 Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S (DEU)
1AAN026887 Leonardo S.p.a Land & Naval Defence Electronics Division (ITA)
GC801AP3 Northrop Grumman Systems Corporation (USA)
376-002-064 L3harris Interstate Electronics Corporation (USA)
3002-20 Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
L4410-20 Telephonics Corp/prd Instruments (USA)
L4410-20 Peraton Inc (USA)
Related Parts
2520-00-679-7959INTERCHANGEABLE
DISK ASSEMBLY
10861595
4320-00-936-5444INTERCHANGEABLE
SHAFT OIL PUMP
5962-01-094-8247INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
3002-20
4820-01-314-9305INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
300220
5306-01-438-7790INTERCHANGEABLE
BOLT,MACHINE
300220
5340-01-628-5512INTERCHANGEABLE
COVER,PROTECTIVE,DUST AND MOISTU
300220

Frequently Asked Questions

What is NSN 5985-00-578-5747?

NSN 5985-00-578-5747 is a Coupler,directional, manufactured by Northrop Grumman Support Services Corp, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-00-578-5747?

NSN 5985-00-578-5747 has 14 cross-referenced part numbers: 128C845H02 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 0297.3682.00 (Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S), 352250023868 (Thales Nederland), CCPC3002-20 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq), 3002 N TYPE 50 OHMS 20DB (Rohde & Schwarz Gmbh & Co. Kommanditgesellschaft Dba R & S) and 9 more.

What NSN replaces 5985-00-578-5747?

There are 6 known substitutes for 5985-00-578-5747: 2520-00-679-7959, 4320-00-936-5444, 5962-01-094-8247 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 128C845H02?

Key specifications for 128C845H02: Overall Height: 2.125 INCHES NOMINAL IN; Identifying Number: TERMINAL FITTING TYPE NO. UG-230D/U; Terminal Fitting Controlling Agency: AN; Radio Frequency Rating: 0.95 GIGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-00-578-5747 still in active supply?

NSN 5985-00-578-5747 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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