PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C995169173Waveguide Assembly

Systron-Donner Corp Microwave/instrument Div · NSN 5985-00-427-9286 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-427-9286 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-427-9286. Primary manufacturer part number: C995169173.
Features
  • Waveguide Assembly — FSC 5985
  • Flange Outside Height: 1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM ALL FLANGES IN
  • Waveguide Outside Width: 0.699 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN
  • Waveguide Outside Height: 0.388 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN
  • Flange Depth: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM ALL FLANGES IN
  • Waveguide Inside Height: 0.3085 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN
  • Thread Class: 2B ALL FLANGES ALL CONNECTION FACILITIES
  • Thread Direction: RIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES
Applications
  • Applications requiring Aluminum Alloy All Tubing Segment and Flange construction
General Description

The Waveguide Assembly, cataloged under National Stock Number 5985-00-427-9286, 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 Systron-Donner Corp Microwave/instrument Div. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-427-9286
Primary Part NumberC995169173
Item NameWaveguide Assembly
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerSystron-Donner Corp Microwave/instrument Div
StatusACTIVE
Flange Outside Height1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM ALL FLANGES IN
Waveguide Outside Width0.699 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN
Waveguide Outside Height0.388 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN
Flange Depth0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM ALL FLANGES IN
Waveguide Inside Height0.3085 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN
Thread Class2B ALL FLANGES ALL CONNECTION FACILITIES
Thread DirectionRIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES
Nominal Thread Size0.138 INCHES SINGLE FLANGE SINGLE CONNECTION FACILITY IN
Waveguide Inside Width0.6195 INCHES MINIMUM AND 0.6245 INCHES MAXIMUM IN
Flange Connecting Facility and Quantity4 THREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES
Flange StyleCHOKE TYPE ALL FLANGES
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) ALL FLANGES ALL CONNECTION FACILITIES
Voltage Standing Wave Ratio1.08
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
Flange Outside Width1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM ALL FLANGES IN
MaterialALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE
Flange Inside Height0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM ALL FLANGES IN
Flange Inside Diameter0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM ALL FLANGES IN
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Flange Inside Width0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM ALL FLANGES IN
Flange Quantity2
FlexibilityRIGID SINGLE TUBING SEGMENT
Thread Quantity Per Inch32 SINGLE FLANGE SINGLE CONNECTION FACILITY
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6620-00-126-2986 INTERCHANGEABLE
Board Assembly,matrix
4820-00-337-7046JMS-2167 INTERCHANGEABLE
Stem,fluid Valve
Clark-Reliance Llc Dba Jerguson Gage & Valve
2840-00-690-9996500106 INTERCHANGEABLE
Seal,air,rotor
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
5330-01-282-8207CWK-619-76 PIECE 4 INTERCHANGEABLE
Packing,preformed
Walz & Krenzer Inc Div Mapeco Products
5895-01-296-0069C104013958 INTERCHANGEABLE
Equalizer,receiver Gain
Dependable Plumbing Heating and Air Conditioning
6515-01-494-0578500-106 INTERCHANGEABLE
Cartridge,scalp Clip
Acra Cut, Inc. Dba Acra-Cut Inc
6635-01-494-4913200-1K INTERCHANGEABLE
Reference Standard,physical Prop
Morehouse Instrument Company Dba Morehouse Instrument Co Inc
5980-01-498-3841 INTERCHANGEABLE
Display,optoelectronic
6515-01-578-1031208.105 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5340-01-629-8411208 105 INTERCHANGEABLE
Grip,handle
Miller Electric Mfg. Llc
Cross-Reference Index
Part NumberManufacturer
C995169173 Systron-Donner Corp Microwave/instrument Div (USA)
208105 Microtech Inc Dba Microtech Inc (USA)
P2121 Lawrence Laboratory Inc Sub of M/a-Com Inc (USA)
2001K Schaefer Enterprises (USA)
500106 Schaefer Enterprises (USA)
413-0152-004 The Boeing Company Div Legacy Boeing Hb1 (USA)
P9125 Mcs Corporation (USA)
KL1664 Microwave Products Inc Sub of Adams-Russel Co Inc (USA)
Related Parts
6620-00-126-2986INTERCHANGEABLE
BOARD ASSEMBLY,MATRIX
4820-00-337-7046INTERCHANGEABLE
STEM,FLUID VALVE
JMS-2167
2840-00-690-9996INTERCHANGEABLE
SEAL,AIR,ROTOR
500106
5330-01-282-8207INTERCHANGEABLE
PACKING,PREFORMED
CWK-619-76 PIECE 4
5895-01-296-0069INTERCHANGEABLE
EQUALIZER,RECEIVER GAIN
C104013958
6515-01-494-0578INTERCHANGEABLE
CARTRIDGE,SCALP CLIP
500-106
6635-01-494-4913INTERCHANGEABLE
REFERENCE STANDARD,PHYSICAL PROP
200-1K
5980-01-498-3841INTERCHANGEABLE
DISPLAY,OPTOELECTRONIC
6515-01-578-1031INTERCHANGEABLE
SCREW,BONE
208.105
5340-01-629-8411INTERCHANGEABLE
GRIP,HANDLE
208 105

Frequently Asked Questions

What is NSN 5985-00-427-9286?

NSN 5985-00-427-9286 is a Waveguide Assembly, manufactured by Systron-Donner Corp Microwave/instrument Div, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-427-9286?

NSN 5985-00-427-9286 has 8 cross-referenced part numbers: C995169173 (Systron-Donner Corp Microwave/instrument Div), 208105 (Microtech Inc Dba Microtech Inc), P2121 (Lawrence Laboratory Inc Sub of M/a-Com Inc), 2001K (Schaefer Enterprises), 500106 (Schaefer Enterprises) and 3 more.

What NSN replaces 5985-00-427-9286?

There are 10 known substitutes for 5985-00-427-9286: 6620-00-126-2986, 4820-00-337-7046, 2840-00-690-9996 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C995169173?

Key specifications for C995169173: Flange Outside Height: 1.297 INCHES MINIMUM AND 1.327 INCHES MAXIMUM ALL FLANGES IN; Waveguide Outside Width: 0.699 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN; Waveguide Outside Height: 0.388 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN; Flange Depth: 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM ALL FLANGES IN. 24 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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