The Waveguide Assembly, cataloged under National Stock Number 5985-01-344-0685, 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 Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-344-0685 |
| Primary Part Number | 87034A1100 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIP. |
| Tubing Wall Construction Style | SEAMLESS ALL TUBING SEGMENT |
| Flange Quantity | 4 |
| Voltage Standing Wave Ratio | 1.35 |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 5.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Surface Treatment | PAINT ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Material | ALUMINUM ALLOY ALL TUBING SEGMENT AND FLANGE |
| 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 |
|---|---|
| 87034A1100 PRIMARY | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA) |
| 87034A1100 | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| 87034A1100 | 5/9 Secondary reference Crsi Inc Delaware Div General Dynamics Satcom Technologies Inc. |
NSN 5985-01-344-0685 is a Waveguide Assembly, manufactured by Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-344-0685 has 2 manufacturer part numbers on file: 87034A1100 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service), 87034A1100 (Microwave Engineering Corporation).
Key specifications for 87034A1100: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIP.; Tubing Wall Construction Style: SEAMLESS ALL TUBING SEGMENT; Flange Quantity: 4; Voltage Standing Wave Ratio: 1.35. 9 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 5985-01-344-0685 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.