The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-178-5884, 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 L3 Technologies, Inc. Div Ocean Systems. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5999-01-178-5884 |
| Primary Part Number | 3322221 |
| Item Name | Shielding Gasket,electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | L3 Technologies, Inc. Div Ocean Systems |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.020 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Aperture Diameter | 1.000 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 2.560 INCHES NOMINAL IN |
| Center to Center Distance Between Bolt Holes Along Width | 2.380 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.180 INCHES NOMINAL IN |
| Outside Corner Radius | 0.100 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Material | UNABLE TO DECODE |
| Hole Diameter | 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.180 INCHES NOMINAL IN |
| 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 |
| Weight | 0.0200 lbs |
| Cube | 0.0001 cu ft |
| Part Number | Manufacturer |
|---|---|
| 3322221 | Shielding Express, Inc. Dba Shielding Express Inc (USA) |
| 3322221 PRIMARY | L3 Technologies, Inc. Div Ocean Systems (USA) |
| Reference | Meaning |
|---|---|
| 3322221 | 5/9 Secondary reference Allied-Signal Inc Dba Allied-Signal Aerospace Co Electrodynamics Div |
NSN 5999-01-178-5884 is a Shielding Gasket,electronic, manufactured by L3 Technologies, Inc. Div Ocean Systems, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-178-5884 has 2 manufacturer part numbers on file: 3322221 (Shielding Express, Inc. Dba Shielding Express Inc), 3322221 (L3 Technologies, Inc. Div Ocean Systems).
Key specifications for 3322221: Cross-Sectional Thickness: 0.020 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR; Overall Length: 2.900 INCHES MINIMUM AND 2.940 INCHES MAXIMUM IN; Overall Width: 2.720 INCHES MINIMUM AND 2.760 INCHES MAXIMUM IN. 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.