PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5337191-2Coupler,directional

Naval Sea Systems Command · NSN 5985-01-249-4831 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-249-4831 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-249-4831. Primary manufacturer part number: 5337191-2.
Features
  • Coupler,directional — FSC 5985
  • Design Type: BIDIRECTIONAL
  • FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
  • Radio Frequency Rating: 8.9 GIGAHERTZ MINIMUM AND 9.5 GIGAHERTZ MAXIMUM
  • Power Loss in Decibels: 4.8
  • Unit Type: WAVEGUIDE
  • Usage Design: MAIN LINE TERMINAL FITTING
  • 4 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 5985-01-249-4831, 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 Naval Sea Systems Command. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-249-4831
Primary Part Number5337191-2
Item NameCoupler,directional
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Design TypeBIDIRECTIONAL
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Radio Frequency Rating8.9 GIGAHERTZ MINIMUM AND 9.5 GIGAHERTZ MAXIMUM
Power Loss in Decibels4.8
Unit TypeWAVEGUIDE
Usage DesignMAIN LINE TERMINAL FITTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5815-00-228-6702SC-C-69992-16 INTERCHANGEABLE
Bar,connecting,teletypewriter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5915-00-342-25171035-3 INTERCHANGEABLE
Filter,radio Frequency Interfere
Specialty Lighting, Inc Div Specialty Lighting
5340-00-663-326410353 INTERCHANGEABLE
Clevis,rod End
Komatsu America Corporation
5365-01-231-062579104-006 INTERCHANGEABLE
Spacer,plate
Weil Pump Co Inc
2530-01-294-184010-353 INTERCHANGEABLE
Adjuster,slack,brake
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
5331-01-301-047810353 INTERCHANGEABLE
O-Ring
Texas Hydraulics, Inc.
Cross-Reference Index
Part NumberManufacturer
10353 Omega Laboratories Inc (USA)
5337191-2 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
5337191-2 PRIMARY Naval Sea Systems Command (USA)
AMC1266 Atlantic Microwave Corporation Div Cobham Electronic Systems (USA)
Related Parts
5815-00-228-6702INTERCHANGEABLE
BAR,CONNECTING,TELETYPEWRITER
SC-C-69992-16
5915-00-342-2517INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
1035-3
5340-00-663-3264INTERCHANGEABLE
CLEVIS,ROD END
10353
5365-01-231-0625INTERCHANGEABLE
SPACER,PLATE
79104-006
2530-01-294-1840INTERCHANGEABLE
ADJUSTER,SLACK,BRAKE
10-353
5331-01-301-0478INTERCHANGEABLE
O-RING
10353

Frequently Asked Questions

What is NSN 5985-01-249-4831?

NSN 5985-01-249-4831 is a Coupler,directional, manufactured by Naval Sea Systems Command, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-249-4831?

NSN 5985-01-249-4831 has 4 cross-referenced part numbers: 10353 (Omega Laboratories Inc), 5337191-2 (Lockheed Martin Corporation Div Rms - Mitchel Field), 5337191-2 (Naval Sea Systems Command), AMC1266 (Atlantic Microwave Corporation Div Cobham Electronic Systems).

What NSN replaces 5985-01-249-4831?

There are 6 known substitutes for 5985-01-249-4831: 5815-00-228-6702, 5915-00-342-2517, 5340-00-663-3264 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5337191-2?

Key specifications for 5337191-2: Design Type: BIDIRECTIONAL; FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Radio Frequency Rating: 8.9 GIGAHERTZ MINIMUM AND 9.5 GIGAHERTZ MAXIMUM; Power Loss in Decibels: 4.8. 10 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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