PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

396903-1Waveguide Assembly

L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products · NSN 5985-00-329-7257 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-329-7257 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-329-7257. Primary manufacturer part number: 396903-1.
Features
  • Waveguide Assembly — FSC 5985
  • Flange Inside Height: 0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM FIRST FLANGE IN
  • Flange Inside Height: 0.394 INCHES MINIMUM AND 0.396 INCHES MAXIMUM SECOND FLANGE IN
  • Flange Depth: 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM SECOND FLANGE IN
  • Flange Outside Width: 1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM SECOND FLANGE IN
  • Flange Outside Height: 1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM FIRST FLANGE IN
  • Thread Quantity Per Inch: 32 FIRST FLANGE ALL CONNECTION FACILITIES
  • Tubing Twist Type: TWISTABLE SINGLE TUBING SEGMENT
Applications
  • Applications requiring Copper Alloy Second Flange construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-329-7257, 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 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-329-7257
Primary Part Number396903-1
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
StatusACTIVE
Flange Inside Height0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM FIRST FLANGE IN
Flange Inside Height0.394 INCHES MINIMUM AND 0.396 INCHES MAXIMUM SECOND FLANGE IN
Flange Depth0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM SECOND FLANGE IN
Flange Outside Width1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM SECOND FLANGE IN
Flange Outside Height1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM FIRST FLANGE IN
Thread Quantity Per Inch32 FIRST FLANGE ALL CONNECTION FACILITIES
Tubing Twist TypeTWISTABLE SINGLE TUBING SEGMENT
Flange Inside Width0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM FIRST FLANGE IN
Tubing Twist Angle in Deg90.0 SINGLE TUBING SEGMENT
Waveguide Length16.250 INCHES MINIMUM AND 16.500 INCHES MAXIMUM IN
Nominal Thread Size0.138 INCHES FIRST FLANGE ALL CONNECTION FACILITIES IN
Waveguide Inside Height0.3085 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN
Style DesignatorSTRAIGHT TYPE
MaterialCOPPER ALLOY SECOND FLANGE
Flange Connecting Facility and Quantity4 THREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) FIRST FLANGE ALL CONNECTION FACILITIES
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) SECOND FLANGE ALL CONNECTION FACILITIES
Surface TreatmentCHROMATE FIRST FLANGE ALL SURFACES
Waveguide Outside Height0.388 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN
Waveguide Inside Width0.6195 INCHES MINIMUM AND 0.6245 INCHES MAXIMUM IN
FlexibilityFLEXIBLE SINGLE TUBING SEGMENT
MaterialRUBBER NATURAL SINGLE TUBING JACKET
Surface TreatmentSILVER SECOND FLANGE ALL SURFACES
Flange StyleCOVER TYPE SECOND FLANGE
Precious Material and LocationTUBING SURFACES SILVER
Precious MaterialSILVER
Flange StyleCHOKE TYPE FIRST FLANGE
MaterialCOPPER ALLOY SINGLE TUBING SEGMENT
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5998-00-006-1813 INTERCHANGEABLE
Circuit Card Assembly
5965-01-023-70957466758-30 INTERCHANGEABLE
Headset-Microphone
Ogden Air Logistics Center
5120-01-119-9559215005 INTERCHANGEABLE
Tool,assembly
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5340-01-208-7825NAS844-18 INTERCHANGEABLE
Cap,protective,dust and Moisture
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
6750-01-414-7102125-010 INTERCHANGEABLE
Developer,photographic
Molecular Gps Enterprises Dba Clayton Chemical
6515-01-601-6399125010 INTERCHANGEABLE
Mask,airway,laryngeal
Lma North America, Inc.
5985-01-684-586821-50-05 INTERCHANGEABLE
Antenna
Cooper Antennas Ltd
Cross-Reference Index
Part NumberManufacturer
AF2-8B062 Litton Systems Inc Airtron Div (USA)
396903-1 PRIMARY L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA)
AT2-8B062-1606 Litton Systems Inc Airtron Div (USA)
999010215005 Microtech Inc Dba Microtech Inc (USA)
125010 Litton Systems Inc Airtron Div (USA)
215005 Microtech Inc Dba Microtech Inc (USA)
Related Parts
5998-00-006-1813INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5965-01-023-7095INTERCHANGEABLE
HEADSET-MICROPHONE
7466758-30
5120-01-119-9559INTERCHANGEABLE
TOOL,ASSEMBLY
215005
5340-01-208-7825INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
NAS844-18
6750-01-414-7102INTERCHANGEABLE
DEVELOPER,PHOTOGRAPHIC
125-010
6515-01-601-6399INTERCHANGEABLE
MASK,AIRWAY,LARYNGEAL
125010
5985-01-684-5868INTERCHANGEABLE
ANTENNA
21-50-05

Frequently Asked Questions

What is NSN 5985-00-329-7257?

NSN 5985-00-329-7257 is a Waveguide Assembly, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-329-7257?

NSN 5985-00-329-7257 has 6 cross-referenced part numbers: AF2-8B062 (Litton Systems Inc Airtron Div), 396903-1 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products), AT2-8B062-1606 (Litton Systems Inc Airtron Div), 999010215005 (Microtech Inc Dba Microtech Inc), 125010 (Litton Systems Inc Airtron Div) and 1 more.

What NSN replaces 5985-00-329-7257?

There are 7 known substitutes for 5985-00-329-7257: 5998-00-006-1813, 5965-01-023-7095, 5120-01-119-9559 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 396903-1?

Key specifications for 396903-1: Flange Inside Height: 0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM FIRST FLANGE IN; Flange Inside Height: 0.394 INCHES MINIMUM AND 0.396 INCHES MAXIMUM SECOND FLANGE IN; Flange Depth: 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM SECOND FLANGE IN; Flange Outside Width: 1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM SECOND FLANGE IN. 30 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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