The Waveguide Assembly, cataloged under National Stock Number 5985-01-082-0711, 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 Microtech Inc Dba Microtech Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-082-0711 |
| Primary Part Number | SM-A-569581-4 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microtech Inc Dba Microtech Inc |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.618 INCHES MINIMUM AND 0.626 INCHES MAXIMUM ALL FLANGES IN |
| Flange Quantity | 2 |
| Precious Material | SILVER |
| Voltage Standing Wave Ratio | 1.10 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | FLEXIBLE ALL TUBING SEGMENT |
| Waveguide Inside Width | 1.368 INCHES MINIMUM AND 1.376 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 45.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Outside Height | 1.920 INCHES MINIMUM AND 1.960 INCHES MAXIMUM ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.196 INCHES MINIMUM AND 0.200 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 1.368 INCHES MINIMUM AND 1.376 INCHES MAXIMUM ALL FLANGES IN |
| Waveguide Length | 18.000 INCHES NOMINAL IN |
| Waveguide Outside Height | 0.746 INCHES MINIMUM AND 0.754 INCHES MAXIMUM IN |
| Waveguide Outside Width | 1.496 INCHES MINIMUM AND 1.504 INCHES MAXIMUM IN |
| Flange Depth | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM ALL FLANGES IN |
| Flange Outside Width | 2.670 INCHES MINIMUM AND 2.710 INCHES MAXIMUM ALL FLANGES IN |
| Surface Treatment | SILVER SINGLE TUBING SEGMENT INSIDE SURFACES |
| Surface Treatment | CHROMATE AND PAINT ALL FLANGE OUTSIDE SURFACES |
| Precious Material and Location | INTERNAL SURFACES SILVER |
| Waveguide Inside Height | 0.618 INCHES MINIMUM AND 0.626 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY ALL FLANGE |
| Material | COPPER ALLOY SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 8 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Style | CONTACT 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 |
|---|---|
| SM-A-569581-4 | Microtech Inc Dba Microtech Inc (USA) |
| TS-72CPR137GA-18.00N | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| SM-A-569581-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-082-0711 is a Waveguide Assembly, manufactured by Microtech Inc Dba Microtech Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-082-0711 has 2 manufacturer part numbers on file: SM-A-569581-4 (Microtech Inc Dba Microtech Inc), TS-72CPR137GA-18.00N (Ward Leonard Ct Llc).
Key specifications for SM-A-569581-4: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.618 INCHES MINIMUM AND 0.626 INCHES MAXIMUM ALL FLANGES IN; Flange Quantity: 2. 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 5985-01-082-0711 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.