The Waveguide Assembly, cataloged under National Stock Number 5985-00-139-5973, 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 Microwave Engineering Corporation. Government technical data includes 20 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-139-5973 |
| Primary Part Number | 153-161-0002 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Quantity | 2 |
| Precious Material | SILVER |
| Voltage Standing Wave Ratio | 1.15 |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 2.880 INCHES NOMINAL IN |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 0.6195 INCHES MINIMUM AND 0.6245 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 35.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Waveguide Outside Height | 0.388 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN |
| Waveguide Outside Width | 0.699 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN |
| Insertion Loss in Decibels | 0.30 |
| Surface Treatment | SILVER SINGLE TUBING SEGMENT INSIDE SURFACES |
| Precious Material and Location | INTERNAL SURFACES SILVER |
| Waveguide Inside Height | 0.3085 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC SINGLE TUBING JACKET |
| Material | COPPER ALLOY SINGLE TUBING SEGMENT |
| Waveguide Longer Offset Distance | 9.680 INCHES NOMINAL IN |
| 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 |
|---|---|
| 153-161-0002 | Microwave Engineering Corporation (USA) |
| 153-161-0002 | Microtech Inc Dba Microtech Inc (USA) |
| Reference | Meaning |
|---|---|
| 153-161-0002 | 3/9 Design control — primary reference Ward Leonard Ct Llc |
| 153-161-0002 | 5/9 Secondary reference U.S. Government activity |
| 153-161-0002 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5985-00-139-5973 is a Waveguide Assembly, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-139-5973 has 2 manufacturer part numbers on file: 153-161-0002 (Microwave Engineering Corporation), 153-161-0002 (Microtech Inc Dba Microtech Inc).
Key specifications for 153-161-0002: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Quantity: 2; Precious Material: SILVER. 20 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 5985-00-139-5973 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.