The Waveguide Assembly, cataloged under National Stock Number 5985-01-347-2155, 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 Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div. Government technical data includes 29 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-347-2155 |
| Primary Part Number | 2132704-2 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS ALL TUBING SEGMENT |
| Flange Inside Height | 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Inside Height | 0.505 INCHES MINIMUM AND 0.508 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.08 |
| Bend Angle in Deg | 90.0 SINGLE BEND H-PLANE |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 6.000 INCHES NOMINAL IN |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Flange Inside Diameter | 1.406 INCHES MINIMUM AND 1.437 INCHES MAXIMUM SECOND FLANGE IN |
| Waveguide Inside Width | 0.900 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Outside Height | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Outside Height | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Connecting Hole Diameter | 0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM FIRST FLANGE ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 0.896 INCHES MINIMUM AND 0.904 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Inside Width | 1.005 INCHES MINIMUM AND 1.008 INCHES MAXIMUM FIRST FLANGE IN |
| Thread Direction | RIGHT-HAND SECOND FLANGE ALL CONNECTION FACILITIES |
| Nominal Thread Size | 0.164 INCHES SECOND FLANGE ALL CONNECTION FACILITIES IN |
| Waveguide Outside Height | 0.500 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.000 INCHES NOMINAL IN |
| Flange Depth | 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Depth | 0.423 INCHES MINIMUM AND 0.453 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Outside Width | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Outside Width | 1.610 INCHES MINIMUM AND 1.640 INCHES MAXIMUM FIRST FLANGE IN |
| Insertion Loss in Decibels | 0.06 |
| Surface Treatment | CHROMATE AND PAINT AND PRIMER ALL TUBING SEGMENT AND FLANGE ALL SURFACES |
| Waveguide Inside Height | 0.400 INCHES NOMINAL IN |
| Thread Class | 2B SECOND FLANGE ALL CONNECTION FACILITIES |
| 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 |
|---|---|
| 2132704-2 | Microwave Engineering Corporation (USA) |
| 2132704-2 PRIMARY | Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div (USA) |
| 230454 | Microtech Inc Dba Microtech Inc (USA) |
| AR3331-2 | Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc (USA) |
| Reference | Meaning |
|---|---|
| 2132704-2 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-347-2155 is a Waveguide Assembly, manufactured by Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-347-2155 has 4 manufacturer part numbers on file: 2132704-2 (Microwave Engineering Corporation), 2132704-2 (Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div), 230454 (Microtech Inc Dba Microtech Inc), AR3331-2 (Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc).
Key specifications for 2132704-2: Tubing Wall Construction Style: SEAMLESS ALL TUBING SEGMENT; Flange Inside Height: 0.396 INCHES MINIMUM AND 0.404 INCHES MAXIMUM SECOND FLANGE IN; Flange Inside Height: 0.505 INCHES MINIMUM AND 0.508 INCHES MAXIMUM FIRST FLANGE IN; Flange Quantity: 2. 29 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 5985-01-347-2155 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.