The Waveguide Assembly, cataloged under National Stock Number 5985-00-231-7498, 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 Microwave Engineering Corporation. Government technical data includes 13 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 | 5985-00-231-7498 |
| Primary Part Number | TR57812 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| Flange Quantity | 2 |
| Flange Inside Diameter | 1.000 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Inside Width | 0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.312 INCHES NOMINAL ALL FLANGES IN |
| Flange Inside Width | 0.622 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Outside Width | 0.699 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN |
| Flange Depth | 0.375 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 1.312 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Inside Height | 0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Material | ALUMINUM ALL FLANGE |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY |
| Flange Style | CHOKE 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 |
|---|---|
| 123SCAV5498-5 | Northrop Grumman Systems Corporation (USA) |
| TR57812 PRIMARY | Microwave Engineering Corporation (USA) |
NSN 5985-00-231-7498 is a Waveguide Assembly, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-231-7498 has 2 manufacturer part numbers on file: 123SCAV5498-5 (Northrop Grumman Systems Corporation), TR57812 (Microwave Engineering Corporation).
Key specifications for TR57812: Flange Quantity: 2; Flange Inside Diameter: 1.000 INCHES NOMINAL ALL FLANGES IN; Waveguide Inside Width: 0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN; Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR. 13 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 5985-00-231-7498 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.