The Waveguide Assembly, cataloged under National Stock Number 5985-01-176-8806, 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 17 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-176-8806 |
| Primary Part Number | 1061123-2 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| FSC Application Data | RADAR SET AN/APG-65 |
| Flange Quantity | 2 |
| Waveguide Inside Width | 0.900 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR |
| Flange Connecting Hole Diameter | 0.169 INCHES MINIMUM AND 0.172 INCHES MAXIMUM SECOND FLANGE ALL CONNECTION FACILITIES IN |
| Thread Direction | RIGHT-HAND FIRST FLANGE ALL CONNECTION FACILITIES |
| Nominal Thread Size | 0.164 INCHES FIRST FLANGE ALL CONNECTION FACILITIES IN |
| Waveguide Outside Height | 0.500 INCHES NOMINAL IN |
| Waveguide Outside Width | 1.000 INCHES NOMINAL IN |
| Waveguide Inside Height | 0.400 INCHES NOMINAL IN |
| Thread Class | 2B FIRST FLANGE ALL CONNECTION FACILITIES |
| Material | ALUMINUM ALL TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) FIRST FLANGE ALL CONNECTION FACILITIES |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) SECOND FLANGE ALL CONNECTION FACILITIES |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) FIRST FLANGE ALL CONNECTION FACILITIES |
| Flange Style | CHOKE 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 |
| Part Number | Manufacturer |
|---|---|
| 1061123-2 PRIMARY | Frontgrade Technologies Inc. (USA) |
| 234347-2 PRIMARY | Microtech Inc Dba Microtech Inc (USA) |
| Reference | Meaning |
|---|---|
| 259320-1 | 5/9 Secondary reference U.S. Government activity |
| 234347-1 | 5/9 Secondary reference Microtech Inc Dba Microtech Inc |
| 10134379 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 259320-2 | 1/2 Source control — Government-approved source U.S. Government activity |
| 1061123-1 | 5/9 Secondary reference Frontgrade Technologies Inc. |
NSN 5985-01-176-8806 is a Waveguide Assembly, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-176-8806 has 2 manufacturer part numbers on file: 1061123-2 (Frontgrade Technologies Inc.), 234347-2 (Microtech Inc Dba Microtech Inc).
Key specifications for 1061123-2: FSC Application Data: RADAR SET AN/APG-65; Flange Quantity: 2; Waveguide Inside Width: 0.900 INCHES NOMINAL IN; Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, RECTANGULAR. 17 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 5985-01-176-8806 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.