The Cover,waveguide Flange, cataloged under National Stock Number 5985-01-419-6178, 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 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-419-6178 |
| Primary Part Number | RPW28-1A-1A-A-SP |
| Item Name | Cover,waveguide Flange |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| Mounting Method | HOLE/SLOT |
| Specification/standard Data | 20418-ES8706 MANUFACTURERS SPECIFICATION CONTROL |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| RPW28-1A-1A-A-SP PRIMARY | Frontgrade Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| ES8706-01 | 7/2 Vendor item drawing reference U.S. Government activity |
| ES8706-01 | 7/9 Vendor item drawing reference Drs Sustainment Systems, Inc. |
NSN 5985-01-419-6178 is a Cover,waveguide Flange, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-419-6178 has 1 manufacturer part number on file: RPW28-1A-1A-A-SP (Frontgrade Technologies Inc.).
Key specifications for RPW28-1A-1A-A-SP: Overall Height: 0.750 INCHES NOMINAL IN; Mounting Method: HOLE/SLOT; Overall Length: 0.750 INCHES NOMINAL IN; Overall Width: 0.380 INCHES NOMINAL IN. 3 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 5985-01-419-6178 has DEMIL Code B. 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.