The Waveguide Assembly, cataloged under National Stock Number 5985-00-110-8634, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 30 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-110-8634 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Tubing Wall Construction Style | SEAMLESS SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.507 INCHES MINIMUM AND 0.513 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Inside Height | 0.507 INCHES MINIMUM AND 0.513 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Quantity | 2 |
| Voltage Standing Wave Ratio | 1.10 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | RIGID SINGLE TUBING SEGMENT |
| Waveguide Inside Width | 1.017 INCHES MINIMUM AND 1.023 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Operating Pressure | 20.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Outside Height | 1.673 INCHES MINIMUM AND 1.703 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Outside Height | 1.673 INCHES MINIMUM AND 1.703 INCHES MAXIMUM SECOND FLANGE IN |
| Flange Connecting Hole Diameter | 0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM FIRST FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Inside Width | 1.017 INCHES MINIMUM AND 1.023 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Inside Width | 1.017 INCHES MINIMUM AND 1.023 INCHES MAXIMUM SECOND FLANGE IN |
| Waveguide Length | 7.250 INCHES NOMINAL IN |
| Flange Depth | 0.500 INCHES NOMINAL SECOND FLANGE IN |
| Flange Depth | 0.500 INCHES NOMINAL FIRST FLANGE IN |
| Flange Outside Width | 1.673 INCHES MINIMUM AND 1.703 INCHES MAXIMUM FIRST FLANGE IN |
| Flange Outside Width | 1.673 INCHES MINIMUM AND 1.703 INCHES MAXIMUM SECOND FLANGE IN |
| Tubing Twist Type | STRAIGHT TWIST SINGLE TUBING SEGMENT |
| Tubing Twist Angle in Deg | 90.0 SINGLE TUBING SEGMENT |
| Insertion Loss in Decibels | 0.10 |
| Surface Treatment | ENAMEL ALL TUBING SEGMENT OUTSIDE SURFACES |
| Waveguide Inside Height | 0.507 INCHES MINIMUM AND 0.513 INCHES MAXIMUM IN |
| Material | ALUMINUM ALL FLANGE |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) SECOND FLANGE SINGLE CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) FIRST FLANGE SINGLE CONNECTION FACILITY |
| Flange Style | COVER TYPE FIRST FLANGE |
| Flange Style | COVER TYPE SECOND FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| TR66188 | 3/9 Design control — primary reference Electric Specialties Co |
| 3474-0001-01 | 5/9 Secondary reference Northrop Grumman Systems Corporation Div Es Defensive Systems Division |
NSN 5985-00-110-8634 is a Waveguide Assembly, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-110-8634: Tubing Wall Construction Style: SEAMLESS SINGLE TUBING SEGMENT; Flange Inside Height: 0.507 INCHES MINIMUM AND 0.513 INCHES MAXIMUM FIRST FLANGE IN; Flange Inside Height: 0.507 INCHES MINIMUM AND 0.513 INCHES MAXIMUM SECOND FLANGE IN; Flange Quantity: 2. 30 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 5985-00-110-8634 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.