The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-209-5579, 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 Lockheed Martin Librascope Corporation. Government technical data includes 14 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-209-5579 |
| Primary Part Number | L356001225 |
| Item Name | Shielding Gasket,electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Lockheed Martin Librascope Corporation |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.125 INCHES NOMINAL IN |
| Inside Corner Radius | 0.120 INCHES MAXIMUM IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | UNABLE TO DECODE |
| Cross-Sectional Shape Style | METAL AND SYNTHETIC RUBBER |
| Aperture Width | 5.070 INCHES MINIMUM AND 5.100 INCHES MAXIMUM IN |
| Aperture Length | 6.190 INCHES MINIMUM AND 6.220 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 8 |
| Center to Center Distance Between Bolt Holes Along Length | 4.000 INCHES NOMINAL IN |
| Center to Center Distance Between Bolt Holes Along Width | 3.500 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.250 INCHES NOMINAL IN |
| Material | UNABLE TO DECODE |
| Hole Diameter | 0.168 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.250 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 | 0.0050 lbs |
| Cube | 0.0001 cu ft |
| Part Number | Manufacturer |
|---|---|
| L356001225 PRIMARY | Lockheed Martin Librascope Corporation (USA) |
NSN 5999-01-209-5579 is a Shielding Gasket,electronic, manufactured by Lockheed Martin Librascope Corporation, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-209-5579 has 1 manufacturer part number on file: L356001225 (Lockheed Martin Librascope Corporation).
Key specifications for L356001225: Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN; Inside Corner Radius: 0.120 INCHES MAXIMUM IN; Style Designator: NON-CIRCULAR; Material Document and Classification: UNABLE TO DECODE. 14 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.