The Waveguide Assembly, cataloged under National Stock Number 5985-01-542-4258, 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 21 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-542-4258 |
| Primary Part Number | A3193453-1 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS ALL TUBING SEGMENT |
| Flange Inside Height | 0.618 INCHES MINIMUM AND 0.626 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.05 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Waveguide Inside Width | 1.368 INCHES MINIMUM AND 1.374 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.920 INCHES MINIMUM AND 1.960 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Connecting Hole Diameter | 0.192 INCHES MINIMUM AND 0.200 INCHES MAXIMUM SINGLE FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 1.368 INCHES MINIMUM AND 1.376 INCHES MAXIMUM FIRST FLANGE IN |
| Waveguide Length | 5.000 INCHES NOMINAL IN |
| Specified Frequency | 7.2 GIGAHERTZ MINIMUM AND 7.7 GIGAHERTZ MAXIMUM |
| Waveguide Outside Height | 0.746 INCHES MINIMUM AND 0.754 INCHES MAXIMUM IN |
| Waveguide Outside Width | 1.496 INCHES MINIMUM AND 1.504 INCHES MAXIMUM IN |
| Flange Depth | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Outside Width | 2.670 INCHES MINIMUM AND 2.710 INCHES MAXIMUM FIRST FLANGE IN |
| Waveguide Inside Height | 0.618 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN |
| Material | COPPER ALLOY ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Flange Style | CONTACT TYPE FIRST FLANGE |
| 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 |
|---|---|
| A3193453-1 | Frontgrade Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| A3193453-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-542-4258 is a Waveguide Assembly, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-542-4258 has 1 manufacturer part number on file: A3193453-1 (Frontgrade Technologies Inc.).
Key specifications for A3193453-1: Tubing Wall Construction Style: SEAMLESS ALL TUBING SEGMENT; Flange Inside Height: 0.618 INCHES MINIMUM AND 0.626 INCHES MAXIMUM FIRST FLANGE IN; Flange Quantity: 2; Voltage Standing Wave Ratio: 1.05. 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 5985-01-542-4258 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.