The Waveguide Assembly, cataloged under National Stock Number 5985-01-372-4096, 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 L3 Technologies, Inc. Div L3 Keo. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-372-4096 |
| Primary Part Number | 055962 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Tubing Wall Construction Style | CORRUGATED SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.168 INCHES MINIMUM AND 0.172 INCHES MAXIMUM ALL FLANGES IN |
| Flange Quantity | 2 |
| Waveguide First Leg Length | 0.562 INCHES NOMINAL IN |
| Style Designator | THREE BEND TYPE |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 0.418 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.116 INCHES MINIMUM AND 0.118 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 0.418 INCHES MINIMUM AND 0.422 INCHES MAXIMUM ALL FLANGES IN |
| Waveguide Outside Height | 0.247 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Waveguide Outside Width | 0.497 INCHES MINIMUM AND 0.503 INCHES MAXIMUM IN |
| Flange Depth | 0.270 INCHES MINIMUM AND 0.290 INCHES MAXIMUM ALL FLANGES IN |
| Flange Outside Width | 0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM ALL FLANGES IN |
| Tubing Twist Type | TWISTABLE SINGLE TUBING SEGMENT |
| Insertion Loss in Decibels | 0.50 |
| Waveguide Inside Height | 0.372 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN |
| Material | COPPER ALLOY ALL FLANGE |
| Material | RUBBER NATURAL SINGLE TUBING JACKET |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Style | CHOKE TYPE ALL FLANGES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-01-372-4096 is a Waveguide Assembly, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-372-4096 has 2 manufacturer part numbers on file: 055962 (L3 Technologies, Inc. Div L3 Keo), 221240 (Microtech Inc Dba Microtech Inc).
Key specifications for 055962: Tubing Wall Construction Style: CORRUGATED SINGLE TUBING SEGMENT; Flange Inside Height: 0.168 INCHES MINIMUM AND 0.172 INCHES MAXIMUM ALL FLANGES IN; Flange Quantity: 2; Waveguide First Leg Length: 0.562 INCHES NOMINAL IN. 22 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.
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.