PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

170626-1Waveguide Assembly

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5985-00-816-5438 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-816-5438 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-816-5438. Primary manufacturer part number: 170626-1.
Features
  • Waveguide Assembly — FSC 5985
  • Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
  • Material: ALUMINUM SINGLE TUBING SEGMENT
  • Waveguide Inside Width: 1.122 INCHES NOMINAL IN
  • Flange Inside Height: 0.497 INCHES NOMINAL ALL FLANGES IN
  • Surface Treatment: ANODIZE ALL TUBING SEGMENT AND FLANGE ALL SURFACES
  • Waveguide Length: 4.750 INCHES NOMINAL IN
  • Waveguide Inside Height: 0.497 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum Single Tubing Segment construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-816-5438, 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 Div Space & Airborne Systems. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-816-5438
Primary Part Number170626-1
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
MaterialALUMINUM SINGLE TUBING SEGMENT
Waveguide Inside Width1.122 INCHES NOMINAL IN
Flange Inside Height0.497 INCHES NOMINAL ALL FLANGES IN
Surface TreatmentANODIZE ALL TUBING SEGMENT AND FLANGE ALL SURFACES
Waveguide Length4.750 INCHES NOMINAL IN
Waveguide Inside Height0.497 INCHES NOMINAL IN
Flange Outside Height1.875 INCHES NOMINAL ALL FLANGES IN
Bend Angle in Deg90.0 SINGLE BEND H-PLANE
Thread Class2B ALL FLANGES SINGLE CONNECTION FACILITY
Thread Quantity Per Inch32 ALL FLANGES SINGLE CONNECTION FACILITY
Waveguide Outside Height0.625 INCHES NOMINAL IN
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Flange Quantity2
Flange StyleCHOKE TYPE ALL FLANGES
Style DesignatorSTRAIGHT TYPE
FSC Application DataMULTIAPPLICATION
Waveguide Outside Width1.250 INCHES NOMINAL IN
Flange Inside Width1.122 INCHES NOMINAL ALL FLANGES IN
Nominal Thread Size0.840 INCHES ALL FLANGES SINGLE CONNECTION FACILITY IN
Flange Outside Width1.875 INCHES NOMINAL ALL FLANGES IN
FlexibilityRIGID SINGLE TUBING SEGMENT
Flange Connecting Facility and Quantity4 THREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY
Thread DirectionRIGHT-HAND ALL FLANGES SINGLE CONNECTION FACILITY
Flange Inside Diameter1.625 INCHES NOMINAL ALL FLANGES IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) ALL FLANGES SINGLE CONNECTION FACILITY
MaterialALUMINUM ALL FLANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5365-00-465-23731706-261 INTERCHANGEABLE
Ring,grease Retaine
Cm Manufacturing Inc Dba Cm Manufacturing Inc
5310-00-565-9739109171 INTERCHANGEABLE
Washer,recessed
Am General Llc
Cross-Reference Index
Part NumberManufacturer
170626-1 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
5365-00-465-2373INTERCHANGEABLE
RING,GREASE RETAINE
1706-261
5310-00-565-9739INTERCHANGEABLE
WASHER,RECESSED
109171

Frequently Asked Questions

What is NSN 5985-00-816-5438?

NSN 5985-00-816-5438 is a Waveguide Assembly, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-816-5438?

NSN 5985-00-816-5438 has 1 cross-referenced part number: 170626-1 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 5985-00-816-5438?

There are 2 known substitutes for 5985-00-816-5438: 5365-00-465-2373, 5310-00-565-9739. Verify interchangeability with system specifications before substitution.

What are the specifications of 170626-1?

Key specifications for 170626-1: Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR; Material: ALUMINUM SINGLE TUBING SEGMENT; Waveguide Inside Width: 1.122 INCHES NOMINAL IN; Flange Inside Height: 0.497 INCHES NOMINAL ALL FLANGES IN. 27 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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