The Adapter,waveguide, cataloged under National Stock Number 5985-01-529-6977, 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 Maury Microwave, Inc. Dba Maury Microwave. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-529-6977 |
| Primary Part Number | L213A1 |
| Item Name | Adapter,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Maury Microwave, Inc. Dba Maury Microwave |
| Status | ACTIVE |
| Flange Quantity | 1 |
| Adapter Overall Width | 8.690 INCHES NOMINAL IN |
| Style Designator | WAVEGUIDE TO COAXIAL |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 5.440 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Inside Width | 8.690 INCHES NOMINAL SINGLE FLANGE IN |
| Waveguide Outside Height | 5.440 INCHES NOMINAL IN |
| Waveguide Outside Width | 8.690 INCHES NOMINAL IN |
| Adapter Height | 5.440 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY SINGLE TUBING SEGMENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-529-6977 is a Adapter,waveguide, manufactured by Maury Microwave, Inc. Dba Maury Microwave, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-529-6977 has 2 manufacturer part numbers on file: L213A1 (M B Electronique), L213A1 (Maury Microwave, Inc. Dba Maury Microwave).
Key specifications for L213A1: Flange Quantity: 1; Adapter Overall Width: 8.690 INCHES NOMINAL IN; Style Designator: WAVEGUIDE TO COAXIAL; Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR. 10 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.