The Flange,waveguide, cataloged under National Stock Number 5985-01-643-0327, 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 Northrop Grumman Systems Corporation. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-643-0327 |
| Primary Part Number | 684-8270003-01 |
| Item Name | Flange,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Flange Style | CONTACT, DOUBLE RIDGE 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 |
|---|---|
| 684-8270003-01 | Microwave Engineering Corporation (USA) |
| 684-8270003-01 | Frontgrade Technologies Inc. (USA) |
| 684-8270003-01 | Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp (USA) |
| 684-8270003-01 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5985-01-643-0327 is a Flange,waveguide, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-643-0327 has 4 manufacturer part numbers on file: 684-8270003-01 (Microwave Engineering Corporation), 684-8270003-01 (Frontgrade Technologies Inc.), 684-8270003-01 (Space Machine & Engineering Corp. Dba Space Machine & Engineering Corp), 684-8270003-01 (Northrop Grumman Systems Corporation).
Key specifications for 684-8270003-01: End Item Identification: WIDE BAND EMI; Flange Style: CONTACT, DOUBLE RIDGE TYPE ALL FLANGES. 1 specification is 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 5985-01-643-0327 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.