The Flange,waveguide, cataloged under National Stock Number 5985-01-396-2980, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-396-2980 |
| Primary Part Number | RPW112-1A-1A-A |
| Item Name | Flange,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| Flange Inside Height | 0.497 INCHES NOMINAL SINGLE FLANGE IN |
| Nominal Thread Length | 0.380 INCHES SINGLE FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Outside Height | 1.875 INCHES NOMINAL SINGLE FLANGE IN |
| Flange Inside Width | 1.122 INCHES NOMINAL SINGLE FLANGE IN |
| Thread Direction | RIGHT-HAND SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Nominal Thread Size | 0.169 INCHES SINGLE FLANGE SINGLE CONNECTION FACILITY IN |
| Flange Depth | 0.360 INCHES MINIMUM AND 0.410 INCHES MAXIMUM SINGLE FLANGE IN |
| Flange Outside Width | 1.875 INCHES NOMINAL SINGLE FLANGE IN |
| Surface Treatment | PAINT SINGLE FLANGE OUTSIDE SURFACES |
| Thread Class | 2B SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Material | ALUMINUM ALLOY 6061 SINGLE FLANGE |
| Flange Connecting Facility and Quantity | 4 THREADED HOLE(S) SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE FLANGE SINGLE CONNECTION FACILITY |
| Flange Style | COVER TYPE SINGLE FLANGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 11WT16-2C-10P | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA) |
| RPW112-1A-1A-A PRIMARY | Frontgrade Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2001136-004 | 7/2 Vendor item drawing reference L3harris Technologies, Inc. Dba Harris Div L3harris Technologies Inc Dba Harris Corporation |
NSN 5985-01-396-2980 is a Flange,waveguide, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-396-2980 has 2 manufacturer part numbers on file: 11WT16-2C-10P (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc), RPW112-1A-1A-A (Frontgrade Technologies Inc.).
Key specifications for RPW112-1A-1A-A: Flange Inside Height: 0.497 INCHES NOMINAL SINGLE FLANGE IN; Nominal Thread Length: 0.380 INCHES SINGLE FLANGE SINGLE CONNECTION FACILITY IN; Flange Outside Height: 1.875 INCHES NOMINAL SINGLE FLANGE IN; Flange Inside Width: 1.122 INCHES NOMINAL SINGLE FLANGE IN. 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.
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.