The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-028-3270, 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 Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-028-3270 |
| Primary Part Number | 642AS0123-6 |
| Item Name | Shielding Gasket,electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Environmental Protection Material Location | THROUGHOUT RF SHIELDING GASKET |
| Cross-Sectional Height | 0.080 INCHES NOMINAL IN |
| Inside Corner Radius | 0.250 INCHES NOMINAL IN |
| Precious Material | SILVER |
| Style Designator | NON-CIRCULAR |
| Cross-Sectional Shape Style | EMI |
| Aperture Width | 3.660 INCHES NOMINAL IN |
| Aperture Length | 7.080 INCHES NOMINAL IN |
| Precious Material and Location | EMI/RFI CONDUCTIVE PARTICLES SILVER |
| Outside Corner Radius | 0.380 INCHES NOMINAL 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 | Z |
| Weight | 0.1300 lbs |
| Cube | 0.0135 cu ft |
| Part Number | Manufacturer |
|---|---|
| 642AS0123-6 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 19-11-4580-1401 | Spotswood Speciality Co (USA) |
| 19-11-4580-1401 | Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division (USA) |
| Reference | Meaning |
|---|---|
| 642AS0123-6 | 5/9 Secondary reference The Boeing Company Div Defense |
| 72B105019-2013 | 5/9 Secondary reference The Boeing Company Div Defense |
NSN 5999-01-028-3270 is a Shielding Gasket,electronic, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-028-3270 has 3 manufacturer part numbers on file: 642AS0123-6 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 19-11-4580-1401 (Spotswood Speciality Co), 19-11-4580-1401 (Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division).
Key specifications for 642AS0123-6: Environmental Protection Material Location: THROUGHOUT RF SHIELDING GASKET; Cross-Sectional Height: 0.080 INCHES NOMINAL IN; Inside Corner Radius: 0.250 INCHES NOMINAL IN; Precious Material: SILVER. 11 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.