The Waveguide Assembly, cataloged under National Stock Number 5985-01-346-7571, 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 L3harris Technologies, Inc.. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-346-7571 |
| Primary Part Number | 2633518G001 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc. |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.20 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR DOUBLE RIDGED EXTERNAL, RECTANGULAR |
| Waveguide Length | 4.970 INCHES MINIMUM AND 5.030 INCHES MAXIMUM IN |
| Tubing Twist Type | STRAIGHT TWIST SINGLE TUBING SEGMENT |
| Tubing Twist Angle in Deg | 90.0 SINGLE TUBING SEGMENT |
| Insertion Loss in Decibels | 0.24 |
| Surface Treatment | ENAMEL ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| 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 |
|---|---|
| 2633518G001 | Microwave Engineering Corporation (USA) |
| 2633518G001 | Microwave Development Company Inc Dba Microwave Development Company Inc (USA) |
| 2633518G001 PRIMARY | L3harris Technologies, Inc. (USA) |
| 2633518G001 | Frontgrade Technologies Inc. (USA) |
NSN 5985-01-346-7571 is a Waveguide Assembly, manufactured by L3harris Technologies, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-346-7571 has 4 manufacturer part numbers on file: 2633518G001 (Microwave Engineering Corporation), 2633518G001 (Microwave Development Company Inc Dba Microwave Development Company Inc), 2633518G001 (L3harris Technologies, Inc.), 2633518G001 (Frontgrade Technologies Inc.).
Key specifications for 2633518G001: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Quantity: 2; Voltage Standing Wave Ratio: 1.20; Style Designator: STRAIGHT TYPE. 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 5985-01-346-7571 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.