The Waveguide Assembly, cataloged under National Stock Number 5985-01-099-2662, 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 27 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-099-2662 |
| Primary Part Number | 060043 |
| 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 | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.253 INCHES MINIMUM AND 0.255 INCHES MAXIMUM ALL FLANGES IN |
| Flange Quantity | 2 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Flange Inside Diameter | 0.640 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Inside Width | 0.420 INCHES NOMINAL 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 | 0.112 INCHES NOMINAL ALL FLANGES ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 0.503 INCHES MINIMUM AND 0.505 INCHES MAXIMUM ALL FLANGES IN |
| Thread Direction | RIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES |
| Waveguide Length | 0.812 INCHES NOMINAL IN |
| Nominal Thread Size | 0.112 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN |
| Waveguide Outside Height | 0.250 INCHES NOMINAL IN |
| Waveguide Outside Width | 0.500 INCHES NOMINAL IN |
| Flange Depth | 0.270 INCHES MINIMUM AND 0.300 INCHES MAXIMUM ALL FLANGES IN |
| Flange Outside Width | 0.860 INCHES MINIMUM AND 0.890 INCHES MAXIMUM ALL FLANGES IN |
| Insertion Loss in Decibels | 0.30 |
| Surface Treatment | LACQUER SINGLE TUBING SEGMENT INSIDE SURFACES |
| Surface Treatment | PRIMER AND PAINT SINGLE TUBING SEGMENT OUTSIDE SURFACES |
| Waveguide Inside Height | 0.170 INCHES NOMINAL IN |
| Thread Class | 2B ALL FLANGES ALL CONNECTION FACILITIES |
| Material | COPPER ALLOY SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL FLANGES ALL CONNECTION FACILITIES |
| 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 |
|---|---|
| 060043 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| TR495014 | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| 055959 | 7/2 Vendor item drawing reference L3 Technologies, Inc. Div L3 Keo |
| 933C055959 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
| 999C060043 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
| 933C055959 | 5/9 Secondary reference Microwave Engineering Corporation |
NSN 5985-01-099-2662 is a Waveguide Assembly, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-099-2662 has 2 manufacturer part numbers on file: 060043 (L3 Technologies, Inc. Div L3 Keo), TR495014 (Microwave Engineering Corporation).
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-141-5054, 4820-01-309-0505, 6515-01-538-0272. Verify interchangeability with system specifications before substitution.
Key specifications for 060043: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.253 INCHES MINIMUM AND 0.255 INCHES MAXIMUM ALL FLANGES IN; Flange Quantity: 2; Style Designator: STRAIGHT TYPE. 27 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 5985-01-099-2662 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.