The Seal,radio Frequency Transmissio, cataloged under National Stock Number 5985-00-480-4653, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-480-4653 |
| Item Name | Seal,radio Frequency Transmissio |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Transmission Line Opening Diameter | 1.527 INCHES NOMINAL IN |
| Maximum Gas Pressure in Psi | 50.0 |
| Overall Diameter | 3.500 INCHES NOMINAL IN |
| Mounting Method | BOLT |
| Internal Conductor Connector Type | COAXIAL CONTACT |
| Transmission Line Characteristic Impedance | 50.0 OHMS NOMINAL |
| External Connector Type | BULLET AND PLUG |
| Material | ALUMINUM AND COPPER ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| REC2695829 | 3/2 Design control — primary reference U.S. Government activity |
| MX7800U | 5/2 Secondary reference U.S. Government activity |
NSN 5985-00-480-4653 is a Seal,radio Frequency Transmissio, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-480-4653: Transmission Line Opening Diameter: 1.527 INCHES NOMINAL IN; Maximum Gas Pressure in Psi: 50.0; Overall Diameter: 3.500 INCHES NOMINAL IN; Mounting Method: BOLT. 8 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.