The Waveguide Assembly, cataloged under National Stock Number 5985-00-264-2597, 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 Frontgrade Technologies Inc.. Government technical data includes 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-264-2597 |
| Primary Part Number | 1061245 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| Flange Quantity | 2 |
| Precious Material | SILVER |
| Style Designator | BEND TYPE |
| Waveguide Offset Distance | 3.380 INCHES NOMINAL IN |
| Precious Material and Location | WAVEGUIDE SURFACE SILVER |
| Material | COPPER ALLOY 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 | 4.560 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1061245 PRIMARY | Frontgrade Technologies Inc. (USA) |
| 254309 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 254309 | 3/9 Design control — primary reference U.S. Government activity |
| TS645442 | 5/9 Secondary reference Microwave Engineering Corporation |
| 228006 | 5/9 Secondary reference Microtech Inc Dba Microtech Inc |
NSN 5985-00-264-2597 is a Waveguide Assembly, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-264-2597 has 2 manufacturer part numbers on file: 1061245 (Frontgrade Technologies Inc.), 254309 (Raytheon Company Dba Raytheon Co).
2 possible matches (shared part number, not a government interchangeability claim): 5945-00-735-4970, 5330-00-871-6399. Verify interchangeability with system specifications before substitution.
Key specifications for 1061245: Flange Quantity: 2; Precious Material: SILVER; Style Designator: BEND TYPE; Waveguide Offset Distance: 3.380 INCHES NOMINAL IN. 9 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 5985-00-264-2597 has DEMIL Code Q. 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.