The Seal,waveguide, cataloged under National Stock Number 5985-01-379-9988, 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.. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-379-9988 |
| Primary Part Number | 10126787-101 |
| Item Name | Seal,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS, WAVEGUIDES, AND RELATED EQUIPMENT |
| Seal Thickness | 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN |
| Style Designator | FOR RECTANGULAR WAVEGUIDE AND FLANGE |
| Seal Outside Height | 1.970 INCHES NOMINAL1.970 INCHES NOMINAL IN |
| Seal Outside Width | 1.390 INCHES NOMINAL1.390 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE AND CHROMATE AND PAINT SINGLE SEAL OUTSIDE SURFACESPAINT SINGLE SEAL OUTSIDE SURFACES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10126787-101 | Frontgrade Technologies Inc. (USA) |
| R281C2 | Microwave Engineering Corporation (USA) |
| Reference | Meaning |
|---|---|
| 10126787-101 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-379-9988 is a Seal,waveguide, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-379-9988 has 2 manufacturer part numbers on file: 10126787-101 (Frontgrade Technologies Inc.), R281C2 (Microwave Engineering Corporation).
Key specifications for 10126787-101: FSC Application Data: ANTENNAS, WAVEGUIDES, AND RELATED EQUIPMENT; Seal Thickness: 0.250 INCHES NOMINAL0.250 INCHES NOMINAL IN; Style Designator: FOR RECTANGULAR WAVEGUIDE AND FLANGE; Seal Outside Height: 1.970 INCHES NOMINAL1.970 INCHES NOMINAL IN. 6 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.
NSN 5985-01-379-9988 has DEMIL Code Q. 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.