PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

613AAdapter,waveguide

Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq · NSN 5985-00-906-3287 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-906-3287 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-906-3287. Primary manufacturer part number: 613A.
Features
  • Adapter,waveguide — FSC 5985
  • Style Designator: WAVEGUIDE TO COAXIAL
  • Flange Inside Width: 2.002 INCHES MINIMUM SINGLE FLANGE IN
  • Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
  • Adapter Length: 1.985 INCHES MINIMUM AND 2.015 INCHES MAXIMUM IN
  • Coaxial Connector Series Designation: N
  • Flange Outside Diameter: 3.610 INCHES MINIMUM AND 3.640 INCHES MAXIMUM SINGLE FLANGE IN
  • Connector End Design: FEMALE
Applications
  • Applications requiring Aluminum Alloy Single Tubing Segment and Flange construction
General Description

The Adapter,waveguide, cataloged under National Stock Number 5985-00-906-3287, 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 Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-906-3287
Primary Part Number613A
Item NameAdapter,waveguide
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNarda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
StatusACTIVE
Style DesignatorWAVEGUIDE TO COAXIAL
Flange Inside Width2.002 INCHES MINIMUM SINGLE FLANGE IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Adapter Length1.985 INCHES MINIMUM AND 2.015 INCHES MAXIMUM IN
Coaxial Connector Series DesignationN
Flange Outside Diameter3.610 INCHES MINIMUM AND 3.640 INCHES MAXIMUM SINGLE FLANGE IN
Connector End DesignFEMALE
Flange Quantity1
Waveguide Outside Height0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN
FSC Application DataRADAR EQUIPMENT
Waveguide Outside Width1.995 INCHES MINIMUM AND 2.005 INCHES MAXIMUM IN
MaterialALUMINUM ALLOY SINGLE TUBING SEGMENT AND FLANGE
Flange Inside Height1.002 INCHES MINIMUM SINGLE FLANGE IN
Supplementary FeaturesFREQUENCY BAND C
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Waveguide Inside Width1.867 INCHES MINIMUM AND 1.877 INCHES MAXIMUM IN
Voltage Standing Wave Ratio1.25
Flange StyleCOVER TYPE SINGLE FLANGE
Adapter Diameter3.610 INCHES MINIMUM AND 3.640 INCHES MAXIMUM IN
Flange Depth0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM SINGLE FLANGE IN
Adapter Overall Height3.297 INCHES MINIMUM AND 3.327 INCHES MAXIMUM IN
Flange Connecting Facility and Quantity8 UNTHREADED HOLE(S) SINGLE FLANGE SINGLE CONNECTION FACILITY
Waveguide Inside Height0.867 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN
Flange Connecting Hole Diameter0.199 INCHES MINIMUM SINGLE FLANGE SINGLE CONNECTION FACILITY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3120-00-661-93237699446 INTERCHANGEABLE
Bearing,sleeve
U S Army Tank Automotive Command Amsta-Im-Mm
2540-00-923-86412291909 INTERCHANGEABLE
Refill Blade,wiper
Chrysler Corp Service and Parts Opns
5180-01-223-1394613A INTERCHANGEABLE
Guard,axe,leather
Bashlin Industries Inc.
Cross-Reference Index
Part NumberManufacturer
DIC-550 Diamond Antenna & Microwave Corporation (USA)
613A PRIMARY Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
Related Parts
3120-00-661-9323INTERCHANGEABLE
BEARING,SLEEVE
7699446
2540-00-923-8641INTERCHANGEABLE
REFILL BLADE,WIPER
2291909
5180-01-223-1394INTERCHANGEABLE
GUARD,AXE,LEATHER
613A

Frequently Asked Questions

What is NSN 5985-00-906-3287?

NSN 5985-00-906-3287 is a Adapter,waveguide, manufactured by Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-906-3287?

NSN 5985-00-906-3287 has 2 cross-referenced part numbers: DIC-550 (Diamond Antenna & Microwave Corporation), 613A (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq).

What NSN replaces 5985-00-906-3287?

There are 3 known substitutes for 5985-00-906-3287: 3120-00-661-9323, 2540-00-923-8641, 5180-01-223-1394. Verify interchangeability with system specifications before substitution.

What are the specifications of 613A?

Key specifications for 613A: Style Designator: WAVEGUIDE TO COAXIAL; Flange Inside Width: 2.002 INCHES MINIMUM SINGLE FLANGE IN; Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR; Adapter Length: 1.985 INCHES MINIMUM AND 2.015 INCHES MAXIMUM IN. 25 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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