The Waveguide Assembly, cataloged under National Stock Number 5985-01-388-5947, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-388-5947 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Tubing Wall Construction Style | STRAIGHT SEAM ALL TUBING SEGMENT |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.27 |
| Waveguide First Leg Length | 17.130 INCHES NOMINAL IN |
| Waveguide Second Leg Length | 5.750 INCHES NOMINAL IN |
| Style Designator | FIVE BEND TYPE |
| Flexibility | FLEXIBLE OR RIGID ALL TUBING SEGMENT |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 30.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Waveguide Fourth Leg Length | 14.000 INCHES NOMINAL IN |
| Waveguide Fifth Leg Length | 11.910 INCHES NOMINAL IN |
| Waveguide Outside Height | 1.000 INCHES NOMINAL IN |
| Waveguide Outside Width | 0.500 INCHES NOMINAL IN |
| Insertion Loss in Decibels | 0.35 |
| Material | SILVER OR NICKEL OR COPPER OR ALUMINUM ALL TUBING SEGMENT AND FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Style | COVER TYPE ALL FLANGES |
| Waveguide Third Leg Length | 10.300 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 125205-2 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5985-01-388-5947 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-388-5947: Tubing Wall Construction Style: STRAIGHT SEAM ALL TUBING SEGMENT; Flange Quantity: 2; Voltage Standing Wave Ratio: 1.27; Waveguide First Leg Length: 17.130 INCHES NOMINAL IN. 18 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.
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.