The Waveguide Assembly, cataloged under National Stock Number 5985-00-587-2623, 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 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-587-2623 |
| Primary Part Number | TS645419-1 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| Flange Quantity | 2 |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 5.190 INCHES NOMINAL IN |
| Operating Pressure | 120.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS |
| Flange Outside Height | 1.625 INCHES NOMINAL ALL FLANGES IN |
| Flange Inside Width | 1.003 INCHES NOMINAL ALL FLANGES IN |
| Flange Depth | 0.437 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 1.625 INCHES NOMINAL ALL FLANGES IN |
| Insertion Loss in Decibels | 0.10 |
| Material | ALUMINUM ALL FLANGE |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) ALL FLANGES SINGLE CONNECTION FACILITY |
| Flange Style | COVER TYPE ALL FLANGES |
| Waveguide Longer Offset Distance | 7.810 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 |
|---|---|
| 115762-1 | Frontgrade Technologies Inc. (USA) |
| TS645419-1 PRIMARY | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| 253627-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| 115762-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-587-2623 is a Waveguide Assembly, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-587-2623 has 2 manufacturer part numbers on file: 115762-1 (Frontgrade Technologies Inc.), TS645419-1 (Microwave Engineering Corporation).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-103-5652. Verify interchangeability with system specifications before substitution.
Key specifications for TS645419-1: Flange Quantity: 2; Style Designator: BEND TYPE; Waveguide Offset Distance: 5.190 INCHES NOMINAL IN; Operating Pressure: 120.0 POUNDS PER SQUARE INCH GAUGE (PSIG) MAXIMUM LBS. 13 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 5985-00-587-2623 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.