The Waveguide Assembly, cataloged under National Stock Number 5985-00-031-2368, 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 Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-031-2368 |
| Primary Part Number | 31D7983 |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| Status | ACTIVE |
| Flange Quantity | 2 |
| 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 |
|---|---|
| 31D7983 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| 358D244 PRIMARY | General Dynamics Mission Systems, Inc. Dba Gdms (USA) |
| Reference | Meaning |
|---|---|
| 358D244 | 5/9 Secondary reference U.S. Government activity |
| 31D7983 | 5/9 Secondary reference Northrop Grumman Systems Corporation Div Es Defensive Systems Division |
| 21907 | 5/2 Secondary reference U.S. Government activity |
NSN 5985-00-031-2368 is a Waveguide Assembly, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-031-2368 has 2 manufacturer part numbers on file: 31D7983 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), 358D244 (General Dynamics Mission Systems, Inc. Dba Gdms).
4 possible matches (shared part number, not a government interchangeability claim): 4820-00-036-1658, 7320-00-389-5408, 5945-01-052-0108. Verify interchangeability with system specifications before substitution.
Key specifications for 31D7983: Flange Quantity: 2; End Item Identification: 5841-00-212-7111 ANTENNA ASSEMBLY P-2E ACFT. 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 5985-00-031-2368 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.