The Seal,waveguide, cataloged under National Stock Number 5985-01-061-9837, 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 Caes Mission Systems Llc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Seal,waveguide |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | Caes Mission Systems Llc (CAGE 24469); Frontgrade Technologies Inc. (CAGE 66544) |
| Parameter | Value |
|---|---|
| NSN | 5985-01-061-9837 |
| Primary Part Number | 89221 |
| Item Name | Seal,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Caes Mission Systems Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 89221 PRIMARY | Caes Mission Systems Llc (USA) |
| 584R124H01 | Frontgrade Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| 584R124H01 | 5/1 Secondary reference Caes Mission Systems Llc |
| 584R124H01 | 1/2 Source control — Government-approved source U.S. Government activity |
| 106979H01 | 5/9 Secondary reference Frontgrade Technologies Inc. |
NSN 5985-01-061-9837 is a Seal,waveguide, manufactured by Caes Mission Systems Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-061-9837 has 2 manufacturer part numbers on file: 89221 (Caes Mission Systems Llc), 584R124H01 (Frontgrade Technologies Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5905-01-281-2895, 6530-01-316-1038. Verify interchangeability with system specifications before substitution.
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 5985-01-061-9837 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.