The Waveguide Assembly, cataloged under National Stock Number 5985-00-438-3623, 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 Microwave Engineering Corporation. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-00-438-3623 |
| Primary Part Number | TS645413 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| FSC Application Data | GUIDED MISSILE REMOTE CONTROL SYSTEM |
| Flange Quantity | 2 |
| Precious Material | SILVER |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Operating Pressure | 45.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Thread Direction | RIGHT-HAND ALL FLANGES ALL CONNECTION FACILITIES |
| Nominal Thread Size | 0.164 INCHES ALL FLANGES ALL CONNECTION FACILITIES IN |
| Surface Treatment | SILVER ALL FLANGE INSIDE SURFACES |
| Surface Treatment | ENAMEL ALL FLANGE OUTSIDE SURFACES |
| Precious Material and Location | FLANGE SURFACE SILVER |
| Thread Class | 2B ALL FLANGES ALL CONNECTION FACILITIES |
| Material | COPPER ALLOY ALL FLANGE |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) FIRST FLANGE FIRST CONNECTION FACILITY |
| Flange Connecting Facility and Quantity | 8 THREADED HOLE(S) SECOND FLANGE SECOND CONNECTION FACILITY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL FLANGES ALL CONNECTION FACILITIES |
| 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 |
|---|---|
| TS645413 PRIMARY | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| TS645413 | 5/9 Secondary reference U.S. Government activity |
| 253438 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5985-00-438-3623 is a Waveguide Assembly, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-438-3623 has 1 manufacturer part number on file: TS645413 (Microwave Engineering Corporation).
Key specifications for TS645413: FSC Application Data: GUIDED MISSILE REMOTE CONTROL SYSTEM; Flange Quantity: 2; Precious Material: SILVER; Flexibility: FLEXIBLE SINGLE TUBING SEGMENT. 15 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 5985-00-438-3623 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.