The Waveguide Assembly, cataloged under National Stock Number 5985-01-237-9453, 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 Div Space & Airborne Systems. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 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 | 5985-01-237-9453 |
| Primary Part Number | 169673-1 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc Div Space & Airborne Systems |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS ALL TUBING SEGMENT |
| Flange Inside Height | 1.338 INCHES MINIMUM AND 1.342 INCHES MAXIMUM ALL FLANGES IN |
| Waveguide Height | 6.210 INCHES MINIMUM AND 6.229 INCHES MAXIMUM IN |
| Flange Quantity | 2 |
| Bend Angle in Deg | 90.0 FIRST BEND H-PLANE |
| Bend Angle in Deg | 90.0 SECOND BEND E-PLANE |
| Style Designator | DOUBLE BEND TYPE |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Waveguide Inside Width | 2.838 INCHES MINIMUM AND 2.842 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 3.000 INCHES NOMINAL ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.256 INCHES MINIMUM AND 0.263 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN |
| Waveguide Center to Center Distance | 11.250 INCHES NOMINAL IN |
| Flange Inside Width | 2.838 INCHES MINIMUM AND 2.842 INCHES MAXIMUM ALL FLANGES IN |
| Waveguide Outside Height | 1.502 INCHES MINIMUM AND 1.506 INCHES MAXIMUM IN |
| Waveguide Outside Width | 3.002 INCHES MINIMUM AND 3.006 INCHES MAXIMUM IN |
| Flange Depth | 0.688 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 4.500 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Inside Height | 1.338 INCHES MINIMUM AND 1.342 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 6061 ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 10 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Style | CONTACT TYPE ALL FLANGES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 169673-1 PRIMARY | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
NSN 5985-01-237-9453 is a Waveguide Assembly, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-237-9453 has 1 manufacturer part number on file: 169673-1 (L3harris Technologies, Inc Div Space & Airborne Systems).
2 possible matches (shared part number, not a government interchangeability claim): 5950-01-261-6766, 5310-01-474-3059. Verify interchangeability with system specifications before substitution.
Key specifications for 169673-1: Tubing Wall Construction Style: SEAMLESS ALL TUBING SEGMENT; Flange Inside Height: 1.338 INCHES MINIMUM AND 1.342 INCHES MAXIMUM ALL FLANGES IN; Waveguide Height: 6.210 INCHES MINIMUM AND 6.229 INCHES MAXIMUM IN; Flange Quantity: 2. 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.
NSN 5985-01-237-9453 has DEMIL Code Q. 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.