The Seal,waveguide, cataloged under National Stock Number 5985-01-508-9039, 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 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-508-9039 |
| Primary Part Number | 1859098 |
| Item Name | Seal,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Seal Thickness | 0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN |
| Seal Outside Diameter | 3.975 INCHES MINIMUM AND 3.980 INCHES MAXIMUM IN |
| Style Designator | FOR ROUND WAVEGUIDE AND FLANGE |
| Seal Inside Diameter | 2.550 INCHES MINIMUM AND 2.570 INCHES MAXIMUM IN |
| Material | COPPER SINGLE SEAL |
| 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 |
|---|---|
| 1859098 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5985-01-508-9039 is a Seal,waveguide, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-508-9039 has 1 manufacturer part number on file: 1859098 (Northrop Grumman Systems Corporation).
Key specifications for 1859098: Seal Thickness: 0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN; Seal Outside Diameter: 3.975 INCHES MINIMUM AND 3.980 INCHES MAXIMUM IN; Style Designator: FOR ROUND WAVEGUIDE AND FLANGE; Seal Inside Diameter: 2.550 INCHES MINIMUM AND 2.570 INCHES MAXIMUM IN. 5 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.