The Waveguide Assembly, cataloged under National Stock Number 5985-01-491-5114, 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 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-491-5114 |
| Primary Part Number | RFG90P-24-1A-1A-MSR |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| Tubing Wall Construction Style | CORRUGATED SINGLE TUBING SEGMENT |
| Flange Inside Height | 0.400 INCHES NOMINAL ALL FLANGES IN |
| Flange Quantity | 2 |
| Style Designator | STRAIGHT TYPE |
| Flexibility | FLEXIBLE SINGLE TUBING SEGMENT |
| Flange Outside Height | 1.630 INCHES NOMINAL ALL FLANGES IN |
| Flange Connecting Hole Diameter | 0.166 INCHES MINIMUM AND 0.172 INCHES MAXIMUM ALL FLANGES ALL CONNECTION FACILITIES IN |
| Flange Inside Width | 0.900 INCHES NOMINAL ALL FLANGES IN |
| Waveguide Length | 24.000 INCHES NOMINAL IN |
| Flange Depth | 0.250 INCHES NOMINAL ALL FLANGES IN |
| Flange Outside Width | 1.630 INCHES NOMINAL ALL FLANGES IN |
| Material | BERYLLIUM SINGLE TUBING SEGMENT |
| Flange Connecting Facility and Quantity | 4 UNTHREADED HOLE(S) ALL FLANGES ALL CONNECTION FACILITIES |
| Flange Style | COVER TYPE ALL FLANGES |
| 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 |
|---|---|
| RFG90P-24-1A-1A-MSR PRIMARY | Frontgrade Technologies Inc. (USA) |
| RFG90-24-1A-1A-MSR PRIMARY | Frontgrade Technologies Inc. (USA) |
NSN 5985-01-491-5114 is a Waveguide Assembly, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-491-5114 has 2 manufacturer part numbers on file: RFG90P-24-1A-1A-MSR (Frontgrade Technologies Inc.), RFG90-24-1A-1A-MSR (Frontgrade Technologies Inc.).
Key specifications for RFG90P-24-1A-1A-MSR: Tubing Wall Construction Style: CORRUGATED SINGLE TUBING SEGMENT; Flange Inside Height: 0.400 INCHES NOMINAL ALL FLANGES IN; Flange Quantity: 2; Style Designator: STRAIGHT TYPE. 14 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 5985-01-491-5114 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.