The Waveguide Assembly, cataloged under National Stock Number 5985-00-163-4591, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-163-4591 |
| Primary Part Number | TS57554 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| Flange Quantity | 2 |
| Style Designator | STRAIGHT TYPE |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.313 INCHES NOMINAL ALL FLANGES IN |
| Flange Inside Width | 0.705 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Length | 2.895 FEET MINIMUM AND 2.938 FEET MAXIMUM FT |
| Flange Depth | 0.313 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 1.313 INCHES NOMINAL ALL FLANGES IN |
| Material | ALUMINUM ALLOY ALL FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY |
| 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 |
|---|---|
| TS57554 PRIMARY | Microwave Engineering Corporation (USA) |
| 123SCAV5696-1 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 123SCAV5696-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5985-00-163-4591 is a Waveguide Assembly, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-163-4591 has 2 manufacturer part numbers on file: TS57554 (Microwave Engineering Corporation), 123SCAV5696-1 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-284-7699. Verify interchangeability with system specifications before substitution.
Key specifications for TS57554: Flange Quantity: 2; Style Designator: STRAIGHT TYPE; Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR; Flange Outside Height: 1.313 INCHES NOMINAL ALL FLANGES IN. 11 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 5985-00-163-4591 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.