The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-231-3299, 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 Northrop Grumman Systems Corporation. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5999-01-231-3299 |
| Primary Part Number | 166237 |
| Item Name | Shielding Gasket,electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Environmental Protection Material Location | RF SHIELDING GASKET OUTER EDGE |
| Cross-Sectional Height | 0.036 INCHES NOMINAL IN |
| Precious Material | SILVER |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | UNABLE TO DECODE |
| Cross-Sectional Shape Style | EMI |
| Aperture Diameter | 1.090 INCHES NOMINAL IN |
| Bolt Hole Quantity | 2 |
| Center to Center Distance Between Bolt Holes Along Length | 1.040 INCHES NOMINAL IN |
| Surface Treatment | UNABLE TO DECODE |
| Center to Center Distance Between Bolt Holes Along Width | 1.040 INCHES NOMINAL IN |
| Precious Material and Location | COPPER CONDUCTIVE SURFACE OF GASKET SILVER |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.170 INCHES NOMINAL IN |
| Outside Corner Radius | 0.160 INCHES NOMINAL IN |
| Material | UNABLE TO DECODE |
| Hole Diameter | 0.136 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.170 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 |
| Part Number | Manufacturer |
|---|---|
| 166237 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 573512-00024-31 | 5/9 Secondary reference Spectrum Control Inc |
NSN 5999-01-231-3299 is a Shielding Gasket,electronic, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-231-3299 has 1 manufacturer part number on file: 166237 (Northrop Grumman Systems Corporation).
Key specifications for 166237: Environmental Protection Material Location: RF SHIELDING GASKET OUTER EDGE; Cross-Sectional Height: 0.036 INCHES NOMINAL IN; Precious Material: SILVER; Style Designator: NON-CIRCULAR. 17 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.