PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

694-BAdapter,waveguide

Waveline Inc · NSN 5985-01-054-6668 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-054-6668 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-054-6668. Primary manufacturer part number: 694-B.
Features
  • Adapter,waveguide — FSC 5985
  • Flange Depth: 0.438 INCHES NOMINAL FIRST FLANGE IN
  • Flange Style: COVER TYPE FIRST FLANGE
  • Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT
  • FSC Application Data: ANTENNAS,WAVEGUIES,AND RELATED EQUIPMENT
  • Flange Quantity: 2
  • Style Designator: WAVEGUIDE TO WAVEGUIDE
  • Waveguide Outside Width: 1.000 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
Applications
  • Applications requiring Copper Alloy All Tubing Segment and Flange construction
General Description

The Adapter,waveguide, cataloged under National Stock Number 5985-01-054-6668, 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 Waveline Inc. 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
NSN5985-01-054-6668
Primary Part Number694-B
Item NameAdapter,waveguide
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerWaveline Inc
StatusACTIVE
Flange Depth0.438 INCHES NOMINAL FIRST FLANGE IN
Flange StyleCOVER TYPE FIRST FLANGE
Tubing Wall Construction StyleSEAMLESS SINGLE TUBING SEGMENT
FSC Application DataANTENNAS,WAVEGUIES,AND RELATED EQUIPMENT
Flange Quantity2
Style DesignatorWAVEGUIDE TO WAVEGUIDE
Waveguide Outside Width1.000 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
MaterialCOPPER ALLOY ALL TUBING SEGMENT AND FLANGE
Waveguide Outside Height0.500 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Flange Inside Width1.062 INCHES NOMINAL FIRST FLANGE IN
Waveguide Inside Width0.900 INCHES MINIMUM AND 1.122 INCHES MAXIMUM IN
Flange Outside Width1.875 INCHES NOMINAL SECOND FLANGE IN
Flange Inside Height0.505 INCHES NOMINAL FIRST FLANGE IN
Flange StyleCOVER TYPE SECOND FLANGE
Waveguide Inside Height0.400 INCHES MINIMUM AND 0.497 INCHES MAXIMUM IN
Flange Outside Width1.625 INCHES NOMINAL FIRST FLANGE IN
Flange Inside Height0.630 INCHES NOMINAL SECOND FLANGE IN
Cross-Sectional Shape StyleINTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR
Flange Connecting Hole Diameter0.031 INCHES NOMINAL SECOND FLANGE SINGLE CONNECTION FACILITY IN
Flange Outside Height1.875 INCHES NOMINAL SECOND FLANGE IN
Flange Outside Height1.625 INCHES NOMINAL FIRST FLANGE IN
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY
Flange Connecting Facility and Quantity4 UNTHREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY
Adapter Length5.125 INCHES NOMINAL IN
Flange Inside Width1.312 INCHES NOMINAL SECOND FLANGE IN
Flange Depth0.438 INCHES NOMINAL SECOND FLANGE IN
Flange Connecting Hole Diameter0.046 INCHES NOMINAL FIRST FLANGE SINGLE CONNECTION FACILITY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5930-00-259-8208694-B INTERCHANGEABLE
Switch,push
Edwards Signaling and Security Systems a Part of Ge Security
6685-01-486-5393 INTERCHANGEABLE
Gage,pressure,dial Indicating
Cross-Reference Index
Part NumberManufacturer
694-B PRIMARY Waveline Inc (USA)
Related Parts
5930-00-259-8208INTERCHANGEABLE
SWITCH,PUSH
694-B
6685-01-486-5393INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING

Frequently Asked Questions

What is NSN 5985-01-054-6668?

NSN 5985-01-054-6668 is a Adapter,waveguide, manufactured by Waveline Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-054-6668?

NSN 5985-01-054-6668 has 1 cross-referenced part number: 694-B (Waveline Inc).

What NSN replaces 5985-01-054-6668?

There are 2 known substitutes for 5985-01-054-6668: 5930-00-259-8208, 6685-01-486-5393. Verify interchangeability with system specifications before substitution.

What are the specifications of 694-B?

Key specifications for 694-B: Flange Depth: 0.438 INCHES NOMINAL FIRST FLANGE IN; Flange Style: COVER TYPE FIRST FLANGE; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; FSC Application Data: ANTENNAS,WAVEGUIES,AND RELATED EQUIPMENT. 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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