The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-284-8403, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. Government technical data includes 7 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-284-8403 |
| Primary Part Number | 434309-3 |
| Item Name | Shielding Gasket,electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| Status | ACTIVE |
| Environmental Protection Material Location | RF SHIELDING GASKET OUTER EDGE |
| Temp Rating | -31.0 CELSIUS AND 100.0 CELSIUS DEGC |
| Cross-Sectional Height | 0.087 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN |
| Material Document and Classification | UNABLE TO DECODE |
| Cross-Sectional Shape Style | MESH AND METAL |
| Cross Section Outside Diameter | 0.188 INCHES MINIMUM AND 0.251 INCHES MAXIMUM IN |
| Material | UNABLE TO DECODE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | JN |
NSN 5999-01-284-8403 is a Shielding Gasket,electronic, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-284-8403 has 2 manufacturer part numbers on file: 434309-3 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products), 51-00741 (Technical Wire Products, Llc Dba Twp).
1 possible match (shared part number, not a government interchangeability claim): 5307-01-485-9353. Verify interchangeability with system specifications before substitution.
Key specifications for 434309-3: Environmental Protection Material Location: RF SHIELDING GASKET OUTER EDGE; Temp Rating: -31.0 CELSIUS AND 100.0 CELSIUS DEGC; Cross-Sectional Height: 0.087 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN; Material Document and Classification: UNABLE TO DECODE. 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.
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.