The Seal,waveguide, cataloged under National Stock Number 5985-01-581-7423, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-581-7423 |
| Primary Part Number | GSK137-2-F |
| Item Name | Seal,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| Material | RUBBER SILICONE FIRST 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 |
|---|---|
| 7190846-008 | Frontgrade Technologies Inc. (USA) |
| GSK137-2-F PRIMARY | Frontgrade Technologies Inc. (USA) |
| Reference | Meaning |
|---|---|
| GSK137-2-F-S | 5/9 Secondary reference Frontgrade Technologies Inc. |
NSN 5985-01-581-7423 is a Seal,waveguide, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-581-7423 has 2 manufacturer part numbers on file: 7190846-008 (Frontgrade Technologies Inc.), GSK137-2-F (Frontgrade Technologies Inc.).
Key specifications for GSK137-2-F: Special Features: CONDUCTIVE; Part Name Assigned by Controlling Agency: SILICONE RUBBER O-RING; End Item Identification: 5895-01-532-0681; LIGHTWEIGHT MULTIBAND SATELLITE TERMINAL 2.5 METER ANTENNA; Material: RUBBER SILICONE FIRST SEAL. 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.
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.