The Seal,waveguide, cataloged under National Stock Number 5985-01-432-9665, 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 Frontgrade Technologies Inc.. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-432-9665 |
| Primary Part Number | 3263849-1 |
| Item Name | Seal,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| 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 |
|---|---|
| 3263849-1 | Frontgrade Technologies Inc. (USA) |
| 3263849-1 | Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc (USA) |
| 3263849-1 | Microtech Inc Dba Microtech Inc (USA) |
| Reference | Meaning |
|---|---|
| 3263849-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-432-9665 is a Seal,waveguide, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-432-9665 has 3 manufacturer part numbers on file: 3263849-1 (Frontgrade Technologies Inc.), 3263849-1 (Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc), 3263849-1 (Microtech Inc Dba Microtech Inc).
Key specifications for 3263849-1: Special Features: PRESSURE WINDOW; End Item Identification: F-15S. 0 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.