The Waveguide Assembly, cataloged under National Stock Number 5985-01-169-1007, 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 Naval Sea Systems Command. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-169-1007 |
| Primary Part Number | 5186904 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT |
| Tubing Wall Construction Style | SEAMLESS ALL TUBING SEGMENT |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.15 |
| Waveguide First Leg Length | 7.320 INCHES NOMINAL IN |
| Waveguide Second Leg Length | 11.410 INCHES NOMINAL IN |
| Bend Angle in Deg | 90.0 FIRST BEND H-PLANE |
| Bend Angle in Deg | 90.0 SECOND BEND E-PLANE |
| Bend Angle in Deg | 15.0 THIRD BEND E-PLANE |
| Style Designator | THREE BEND TYPE |
| Flexibility | RIGID ALL TUBING SEGMENT |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 10.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Waveguide Fourth Leg Length | 1.040 INCHES NOMINAL IN |
| Tubing Twist Type | STRAIGHT TWIST SINGLE TUBING SEGMENT |
| Tubing Twist Angle in Deg | 90.0 SINGLE TUBING SEGMENT |
| Surface Treatment | CHROMATE ALL TUBING SEGMENT AND FLANGE OUTSIDE SURFACES |
| Material | METAL ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES |
| Flange Connecting Facility and Quantity | 4 CAPTIVE SCREW(S) SECOND FLANGE ALL CONNECTION FACILITIES |
| Flange Style | COVER TYPE FIRST FLANGE |
| Flange Style | CHOKE TYPE SECOND FLANGE |
| Waveguide Third Leg Length | 4.230 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 |
|---|---|
| 5186904 | 3dbm Co Inc Waveguide Group (USA) |
| 5186904 | Raytheon Company (USA) |
| 5186904 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 518690A | 5/9 Secondary reference 3dbm Co Inc Waveguide Group |
| 5985PL1325075 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5985-01-169-1007 is a Waveguide Assembly, manufactured by Naval Sea Systems Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-169-1007 has 3 manufacturer part numbers on file: 5186904 (3dbm Co Inc Waveguide Group), 5186904 (Raytheon Company), 5186904 (Naval Sea Systems Command).
Key specifications for 5186904: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Tubing Wall Construction Style: SEAMLESS ALL TUBING SEGMENT; Flange Quantity: 2; Voltage Standing Wave Ratio: 1.15. 23 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 5985-01-169-1007 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.