PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

128305Waveguide Assembly

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 5985-00-688-7092 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-688-7092 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-688-7092. Primary manufacturer part number: 128305.
Features
  • Waveguide Assembly — FSC 5985
  • Flange Quantity: 2
  • Flange Connecting Facility and Quantity: 4 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY
  • Flexibility: RIGID ALL TUBING SEGMENT
  • Tubing Twist Type: STRAIGHT TWIST ALL TUBING SEGMENT
  • Bend Angle in Deg: 60.0 SINGLE BEND E-PLANE
  • Flange Style: CHOKE TYPE ALL FLANGES
  • Tubing Wall Construction Style: SEAMLESS ALL TUBING SEGMENT
Applications
  • Applications requiring Aluminum Alloy All Tubing Segment and Flange construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-688-7092, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 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
NSN5985-00-688-7092
Primary Part Number128305
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Flange Quantity2
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY
FlexibilityRIGID ALL TUBING SEGMENT
Tubing Twist TypeSTRAIGHT TWIST ALL TUBING SEGMENT
Bend Angle in Deg60.0 SINGLE BEND E-PLANE
Flange StyleCHOKE TYPE ALL FLANGES
Tubing Wall Construction StyleSEAMLESS ALL TUBING SEGMENT
Style DesignatorBEND TYPE
Tubing Twist Angle in Deg90.0 ALL TUBING SEGMENT
MaterialALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5120-00-104-1859G77015 INTERCHANGEABLE
Insert,jaw,connector Pliers
Glenair, Inc.
5961-00-446-9280 INTERCHANGEABLE
Semiconductor Device,diode
6625-00-500-3882 INTERCHANGEABLE
Meter,arbitrary Scale
5985-00-754-7512128308 INTERCHANGEABLE
Waveguide Assembly
L3harris Technologies, Inc Div Space & Airborne Systems
2520-01-272-5318128696 INTERCHANGEABLE
Disk,clutch,vehicular
Dana Corp Spicer Transmission Div
4730-01-514-060612-8308 INTERCHANGEABLE
Adapter,straight,pipe to Tube
R. a. Phillips Industries, Inc. Dba Phillips Industries
6515-01-710-9504128305 INTERCHANGEABLE
Battery,rechargable,portable Icu
Atlantic Diving Supply, Inc. Dba Ads
Cross-Reference Index
Part NumberManufacturer
128305 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
128305 Victor Microwave, Inc (USA)
128308 Microtech Inc Dba Microtech Inc (USA)
43140-00669-1 Naval Air Warfare Ctr Aircraft Div (USA)
43140-00669 Naval Air Warfare Ctr Aircraft Div (USA)
Related Parts
5120-00-104-1859INTERCHANGEABLE
INSERT,JAW,CONNECTOR PLIERS
G77015
5961-00-446-9280INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
6625-00-500-3882INTERCHANGEABLE
METER,ARBITRARY SCALE
5985-00-754-7512INTERCHANGEABLE
WAVEGUIDE ASSEMBLY
128308
2520-01-272-5318INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
128696
4730-01-514-0606INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
12-8308
6515-01-710-9504INTERCHANGEABLE
BATTERY,RECHARGABLE,PORTABLE ICU
128305

Frequently Asked Questions

What is NSN 5985-00-688-7092?

NSN 5985-00-688-7092 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 5985-00-688-7092?

NSN 5985-00-688-7092 has 5 cross-referenced part numbers: 128305 (L3harris Technologies, Inc Div Space & Airborne Systems), 128305 (Victor Microwave, Inc), 128308 (Microtech Inc Dba Microtech Inc), 43140-00669-1 (Naval Air Warfare Ctr Aircraft Div), 43140-00669 (Naval Air Warfare Ctr Aircraft Div).

What NSN replaces 5985-00-688-7092?

There are 7 known substitutes for 5985-00-688-7092: 5120-00-104-1859, 5961-00-446-9280, 6625-00-500-3882 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 128305?

Key specifications for 128305: Flange Quantity: 2; Flange Connecting Facility and Quantity: 4 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY; Flexibility: RIGID ALL TUBING SEGMENT; Tubing Twist Type: STRAIGHT TWIST ALL TUBING SEGMENT. 11 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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