The Waveguide Assembly, cataloged under National Stock Number 5985-01-482-9278, 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 The Boeing Company Div Defense. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-482-9278 |
| Primary Part Number | 74B902057-2001 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Flange Quantity | 2 |
| Flange Connecting Hole Diameter | 0.144 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN |
| 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 |
|---|---|
| 74B902057-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| TS575232 | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| 74J888000-105 | 5/9 Secondary reference The Boeing Company Div Defense |
| 74B902057 | D/9 Drawing number reference only The Boeing Company Div Defense |
NSN 5985-01-482-9278 is a Waveguide Assembly, manufactured by The Boeing Company Div Defense, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-482-9278 has 2 manufacturer part numbers on file: 74B902057-2001 (The Boeing Company Div Defense), TS575232 (Microwave Engineering Corporation).
Key specifications for 74B902057-2001: Flange Quantity: 2; Flange Connecting Hole Diameter: 0.144 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN; Special Features: ALTERED ITEM FROM 74J888000-105, SLOT EXISTING MOUNTING HOLES, 0.144 X 0.171; End Item Identification: E/I AIRCRAFT, HORNET F/A-18. 4 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 5985-01-482-9278 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.