The Waveguide Assembly, cataloged under National Stock Number 5985-01-200-2786, 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 14 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-200-2786 |
| Primary Part Number | 5187307-1 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| Flange Inside Height | 0.311 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.10 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Flange Outside Height | 1.312 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Connecting Hole Diameter | 0.144 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 0.622 INCHES NOMINAL SINGLE FLANGE IN |
| Waveguide Length | 24.000 INCHES NOMINAL IN |
| Flange Depth | 0.313 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Outside Width | 1.313 INCHES NOMINAL SINGLE FLANGE IN |
| Insertion Loss in Decibels | 0.35 |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Style | COVER TYPE ALL FLANGES |
| 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 |
|---|---|
| 5187307-1 PRIMARY | Frontgrade Technologies Inc. (USA) |
| 5187307-1 | Naval Sea Systems Command (USA) |
| C 223043 | Microtech Inc Dba Microtech Inc (USA) |
| MSD62-503 N 24 PRIMARY | Microtech Inc Dba Microtech Inc (USA) |
| Reference | Meaning |
|---|---|
| 5985PL1329374 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5985-01-200-2786 is a Waveguide Assembly, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-200-2786 has 4 manufacturer part numbers on file: 5187307-1 (Frontgrade Technologies Inc.), 5187307-1 (Naval Sea Systems Command), C 223043 (Microtech Inc Dba Microtech Inc), MSD62-503 N 24 (Microtech Inc Dba Microtech Inc).
Key specifications for 5187307-1: Flange Inside Height: 0.311 INCHES NOMINAL SINGLE FLANGE IN; Flange Quantity: 2; Voltage Standing Wave Ratio: 1.10; Style Designator: STRAIGHT TYPE. 14 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 5985-01-200-2786 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.