PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

798CCoupler,directional

Keysight Technologies Inc · NSN 5985-00-488-2911 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-488-2911 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-488-2911. Primary manufacturer part number: 798C.
Features
  • Coupler,directional — FSC 5985
  • Power Loss in Decibels: 10.010.0
  • Radio Frequency Rating: 3.7 GIGAHERTZ MINIMUM AND 3.7 GIGAHERTZ MINIMUM AND 8.3 GIGAHERTZ MAXIMUM8.3 GIGAHERTZ MAXIMUM
  • Design Type: BIDIRECTIONALBIDIRECTIONAL
  • Usage Design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING
  • FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
  • Unit Type: COAXIAL LINE
  • 13 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,directional, cataloged under National Stock Number 5985-00-488-2911, 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 Keysight Technologies Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5985-00-488-2911
Primary Part Number798C
Item NameCoupler,directional
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusCANCELLED
Power Loss in Decibels10.010.0
Radio Frequency Rating3.7 GIGAHERTZ MINIMUM AND 3.7 GIGAHERTZ MINIMUM AND 8.3 GIGAHERTZ MAXIMUM8.3 GIGAHERTZ MAXIMUM
Design TypeBIDIRECTIONALBIDIRECTIONAL
Usage DesignMAIN LINE AND SECONDARY LINE TERMINAL FITTING
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Unit TypeCOAXIAL LINE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
5985-00-525-5370796D INTERCHANGEABLE
Coupler,directional
Keysight Technologies Inc
5950-00-645-1124 INTERCHANGEABLE
Reactor
6210-01-046-1852174245058-005 INTERCHANGEABLE
Lens,light
Raytheon Company Dba Raytheon Co
3040-01-206-609644665 INTERCHANGEABLE
Shaft Assembly
Electro-Tec Corp Dba Moog Inc., Components Group
4210-01-273-060844665 INTERCHANGEABLE
Head,sprinkler,fire Protection
Tyco Fire Products Lp
Cross-Reference Index
Part NumberManufacturer
HP798C Keysight Technologies, Inc. (USA)
798C PRIMARY Keysight Technologies Inc (USA)
HP798C Hewlett-Packard Company Dba HP (USA)
44665 Telephonics Corp/prd Instruments (USA)
DMS 86062B Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA)
HP798C Keysight Technologies Inc (USA)
C7371-1 PRIMARY Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company (USA)
798C Keysight Technologies, Inc. (USA)
C 7371-1 Hewlett-Packard Centre De Competences France (FRA)
TYPE 20483 Telephonics Corp/prd Instruments (USA)
798C Hewlett-Packard Company Dba HP (USA)
TYPE 20483 Peraton Inc (USA)
44665 Peraton Inc (USA)
Related Parts
5985-00-525-5370INTERCHANGEABLE
COUPLER,DIRECTIONAL
796D
5950-00-645-1124INTERCHANGEABLE
REACTOR
6210-01-046-1852INTERCHANGEABLE
LENS,LIGHT
174245058-005
3040-01-206-6096INTERCHANGEABLE
SHAFT ASSEMBLY
44665
4210-01-273-0608INTERCHANGEABLE
HEAD,SPRINKLER,FIRE PROTECTION
44665

Frequently Asked Questions

What is NSN 5985-00-488-2911?

NSN 5985-00-488-2911 is a Coupler,directional, manufactured by Keysight Technologies Inc, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-00-488-2911?

NSN 5985-00-488-2911 has 13 cross-referenced part numbers: HP798C (Keysight Technologies, Inc.), 798C (Keysight Technologies Inc), HP798C (Hewlett-Packard Company Dba HP), 44665 (Telephonics Corp/prd Instruments), DMS 86062B (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)) and 8 more.

What NSN replaces 5985-00-488-2911?

There are 5 known substitutes for 5985-00-488-2911: 5985-00-525-5370, 5950-00-645-1124, 6210-01-046-1852 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 798C?

Key specifications for 798C: Power Loss in Decibels: 10.010.0; Radio Frequency Rating: 3.7 GIGAHERTZ MINIMUM AND 3.7 GIGAHERTZ MINIMUM AND 8.3 GIGAHERTZ MAXIMUM8.3 GIGAHERTZ MAXIMUM; Design Type: BIDIRECTIONALBIDIRECTIONAL; Usage Design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-00-488-2911 still in active supply?

NSN 5985-00-488-2911 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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