The Waveguide Assembly, cataloged under National Stock Number 5985-00-259-3687, 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 Frontgrade Technologies Inc.. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-259-3687 |
| Primary Part Number | 1061246 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| Flange Quantity | 2 |
| Material | COPPER ALLOY ALL FLANGE |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) ALL FLANGES 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 |
|---|---|
| 1061246 PRIMARY | Frontgrade Technologies Inc. (USA) |
| 233809 PRIMARY | Microtech Inc Dba Microtech Inc (USA) |
| Reference | Meaning |
|---|---|
| TS645443 | 5/9 Secondary reference Microwave Engineering Corporation |
| 90BX509 | 5/9 Secondary reference Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc |
| 254310 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5985-00-259-3687 is a Waveguide Assembly, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-259-3687 has 2 manufacturer part numbers on file: 1061246 (Frontgrade Technologies Inc.), 233809 (Microtech Inc Dba Microtech Inc).
Key specifications for 1061246: Flange Quantity: 2; Material: COPPER ALLOY ALL FLANGE; Flange Connecting Facility and Quantity: 8 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY. 3 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 5985-00-259-3687 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.