The Flange,waveguide, cataloged under National Stock Number 5985-01-643-0330, 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 Microwave Engineering Corporation. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-643-0330 |
| Primary Part Number | R177S-1300 |
| Item Name | Flange,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| Material | PLASTIC POLYSULFONE SINGLE TUBING JACKET |
| 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 |
|---|---|
| R177S-1300 PRIMARY | Microwave Engineering Corporation (USA) |
| 684-8270011-01 | Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp (USA) |
| 684-8270011-01 | Frontgrade Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 684-8270011-01 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
| R1773-1300 | 5/9 Secondary reference Microwave Engineering Corporation |
NSN 5985-01-643-0330 is a Flange,waveguide, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-643-0330 has 3 manufacturer part numbers on file: R177S-1300 (Microwave Engineering Corporation), 684-8270011-01 (Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp), 684-8270011-01 (Frontgrade Technologies Inc.).
Key specifications for R177S-1300: Material: PLASTIC POLYSULFONE SINGLE TUBING JACKET; Flange Style: COVER TYPE ALL FLANGES. 2 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 5985-01-643-0330 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.