The Waveguide Assembly, cataloged under National Stock Number 5985-00-102-4200, 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 Semic Rf Electronic Gmbh. Government technical data includes 29 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-102-4200 |
| Primary Part Number | MA69250 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Semic Rf Electronic Gmbh |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.397 INCHES MINIMUM AND 0.403 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Inside Height | 0.503 INCHES MINIMUM AND 0.506 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.05 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Flange Inside Diameter | 1.407 INCHES MINIMUM AND 1.437 INCHES MAXIMUM FIRST FLANGE IN |
| Waveguide Inside Width | 0.897 INCHES MINIMUM AND 0.903 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Outside Height | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Connecting Hole Diameter | 0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM SECOND FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 0.897 INCHES MINIMUM AND 0.903 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Inside Width | 1.003 INCHES MINIMUM AND 1.006 INCHES MAXIMUM SECOND FLANGE IN |
| Thread Direction | RIGHT-HAND FIRST FLANGE SINGLE CONNECTION FACILITY |
| Waveguide Length | 1.329 FEET NOMINAL FT |
| Nominal Thread Size | 0.164 INCHES FIRST FLANGE SINGLE CONNECTION FACILITY IN |
| Waveguide Outside Height | 0.494 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN |
| Waveguide Outside Width | 0.994 INCHES MINIMUM AND 1.006 INCHES MAXIMUM IN |
| Flange Depth | 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Depth | 0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Outside Width | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Outside Width | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM FIRST FLANGE IN |
| Surface Treatment | ENAMEL ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Waveguide Inside Height | 0.397 INCHES MINIMUM AND 0.403 INCHES MAXIMUM IN |
| Thread Class | 2B FIRST FLANGE SINGLE CONNECTION FACILITY |
| Material | COPPER ALLOY ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MA69250 | Semic Rf Electronic Gmbh (DEU) |
| 2546068-1 | Victor Microwave, Inc (USA) |
| 90PK389-1 | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA) |
| Reference | Meaning |
|---|---|
| 2546068-1 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| MA69250 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5985-00-102-4200 is a Waveguide Assembly, manufactured by Semic Rf Electronic Gmbh, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-102-4200 has 3 manufacturer part numbers on file: MA69250 (Semic Rf Electronic Gmbh), 2546068-1 (Victor Microwave, Inc), 90PK389-1 (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc).
1 possible match (shared part number, not a government interchangeability claim): 4940-00-918-1265. Verify interchangeability with system specifications before substitution.
Key specifications for MA69250: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.397 INCHES MINIMUM AND 0.403 INCHES MAXIMUM FIRST FLANGE IN; Flange Inside Height: 0.503 INCHES MINIMUM AND 0.506 INCHES MAXIMUM SECOND FLANGE IN; Flange Quantity: 2. 29 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.
NSN 5985-00-102-4200 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.