The Adapter,waveguide, cataloged under National Stock Number 5985-01-102-0990, 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 L3 Technologies, Inc. Div L3 Keo. Government technical data includes 21 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-102-0990 |
| Primary Part Number | 883D036557 |
| Item Name | Adapter,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Quantity | 1 |
| Voltage Standing Wave Ratio | 1.90 |
| Style Designator | WAVEGUIDE TO COAXIAL |
| Waveguide Inside Width | 0.599 INCHES MINIMUM AND 0.615 INCHES MAXIMUM IN |
| Connector End Design | FEMALE |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR DOUBLE RIDGED EXTERNAL, RECTANGULAR |
| Adapter Length | 2.500 INCHES NOMINAL IN |
| Flange Connecting Hole Diameter | 0.128 INCHES MINIMUM AND 0.130 INCHES MAXIMUM SINGLE FLANGE ALL CONNECTION FACILITIES IN |
| Waveguide Outside Height | 0.413 INCHES MINIMUM AND 0.429 INCHES MAXIMUM IN |
| Waveguide Outside Width | 0.783 INCHES MINIMUM AND 0.799 INCHES MAXIMUM IN |
| Insertion Loss in Decibels | 0.50 |
| Surface Treatment | LACQUER SINGLE FLANGE INSIDE SURFACES |
| Surface Treatment | LACQUER SINGLE FLANGE OUTSIDE SURFACES |
| Surface Treatment | LACQUER SINGLE TUBING SEGMENT INSIDE SURFACES |
| Surface Treatment | LACQUER SINGLE TUBING SEGMENT OUTSIDE SURFACES |
| Waveguide Inside Height | 0.229 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN |
| Material | COPPER ALLOY SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 2 UNTHREADED HOLE(S) SINGLE FLANGE ALL CONNECTION FACILITIES |
| Coaxial Connector Series Designation | SMA |
| 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 |
|---|---|
| 883D036557 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| 060082-2 | L3 Technologies, Inc. Div L3 Keo (USA) |
| AR80148003 | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| AR80148003 | 5/9 Secondary reference M/a-Com Inc |
| AR80148003 | 5/9 Secondary reference U.S. Government activity |
| 999D060082-2 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
NSN 5985-01-102-0990 is a Adapter,waveguide, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-102-0990 has 3 manufacturer part numbers on file: 883D036557 (L3 Technologies, Inc. Div L3 Keo), 060082-2 (L3 Technologies, Inc. Div L3 Keo), AR80148003 (Te Connectivity Corporation).
Key specifications for 883D036557: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Quantity: 1; Voltage Standing Wave Ratio: 1.90. 21 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 5985-01-102-0990 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.