The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-406-2889, 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 Naval Sea Systems Command. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-406-2889 |
| Primary Part Number | 6627641 |
| Item Name | Shielding Gasket,electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Environmental Protection Material Location | THROUGHOUT RF SHIELDING GASKET |
| Cross-Sectional Height | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN |
| Precious Material | SILVER |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | EMI |
| Outside Diameter | 1.037 INCHES MINIMUM AND 1.057 INCHES MAXIMUM IN |
| Aperture Diameter | 0.881 INCHES MINIMUM AND 0.901 INCHES MAXIMUM IN |
| Surface Treatment | UNABLE TO DECODE |
| Precious Material and Location | EMI/RFI CONDUCTIVE PARTICLE SURFACES SILVER |
| 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 | J |
| Part Number | Manufacturer |
|---|---|
| 6627641 PRIMARY | Naval Sea Systems Command (USA) |
| D000891078-S6420 | Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division (USA) |
| Reference | Meaning |
|---|---|
| D000891078-S6420 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
NSN 5999-01-406-2889 is a Shielding Gasket,electronic, manufactured by Naval Sea Systems Command, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-406-2889 has 2 manufacturer part numbers on file: 6627641 (Naval Sea Systems Command), D000891078-S6420 (Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division).
Key specifications for 6627641: Environmental Protection Material Location: THROUGHOUT RF SHIELDING GASKET; Cross-Sectional Height: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM IN; Precious Material: SILVER; Style Designator: CIRCULAR. 10 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.