The Seal,waveguide, cataloged under National Stock Number 5985-00-965-5607, 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 Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-965-5607 |
| Primary Part Number | 1063948 |
| Item Name | Seal,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| FSC Application Data | MULTIAPPLICATION |
| Seal Thickness | 1.437 INCHES NOMINAL IN |
| Seal Outside Diameter | 3.625 INCHES NOMINAL IN |
| Style Designator | FOR RECTANGULAR WAVEGUIDE AND ROUND FLANGE |
| Surface Treatment | ENAMEL SINGLE SEAL ALL SURFACES |
| Material | ALUMINUM ALLOY OR CERAMIC SINGLE SEAL |
| Seal Inside Width | 1.437 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-00-965-5607 is a Seal,waveguide, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-965-5607 has 3 manufacturer part numbers on file: 1063948 (Lockheed Martin Corporation Div Rms - Mitchel Field), 1006028 (Lockheed Martin Corporation Div Rms - Mitchel Field), 2553646 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
1 possible match (shared part number, not a government interchangeability claim): 5985-01-084-8625. Verify interchangeability with system specifications before substitution.
Key specifications for 1063948: FSC Application Data: MULTIAPPLICATION; Seal Thickness: 1.437 INCHES NOMINAL IN; Seal Outside Diameter: 3.625 INCHES NOMINAL IN; Style Designator: FOR RECTANGULAR WAVEGUIDE AND ROUND FLANGE. 7 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 5985-00-965-5607 has DEMIL Code B. 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.