The Adapter,waveguide, cataloged under National Stock Number 5985-01-169-7982, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Caes Mission Systems Llc. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-169-7982 |
| Primary Part Number | SMS 75104 |
| Item Name | Adapter,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Caes Mission Systems Llc |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.510 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Quantity | 1 |
| Adapter Overall Width | 1.688 INCHES NOMINAL IN |
| Style Designator | WAVEGUIDE TO COAXIAL |
| Waveguide Inside Width | 1.020 INCHES NOMINAL IN |
| Connector End Design | FEMALE |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.688 INCHES NOMINAL SINGLE FLANGE IN |
| Adapter Length | 2.000 INCHES MAXIMUM IN |
| Flange Connecting Hole Diameter | 0.169 INCHES NOMINAL SINGLE FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 1.020 INCHES NOMINAL SINGLE FLANGE IN |
| Waveguide Outside Height | 0.638 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.148 INCHES NOMINAL IN |
| Flange Depth | 0.875 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Outside Width | 1.688 INCHES NOMINAL SINGLE FLANGE IN |
| Insertion Loss in Decibels | 0.08 |
| Waveguide Inside Height | 0.510 INCHES NOMINAL IN |
| Adapter Height | 1.688 INCHES NOMINAL IN |
| Material | COPPER ALLOY ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SINGLE FLANGE ALL CONNECTION FACILITIES |
| Flange Style | COVER TYPE SINGLE FLANGE |
| Coaxial Connector Series Designation | N |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SMS 75104 | Caes Mission Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| UG-1904/U | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-169-7982 is a Adapter,waveguide, manufactured by Caes Mission Systems Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-169-7982 has 1 manufacturer part number on file: SMS 75104 (Caes Mission Systems Llc).
Key specifications for SMS 75104: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.510 INCHES NOMINAL SINGLE FLANGE IN; Flange Quantity: 1; Adapter Overall Width: 1.688 INCHES NOMINAL IN. 23 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.