The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-170-3083, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-170-3083 |
| Primary Part Number | L356001238 |
| Item Name | Shielding Gasket,electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Lockheed Martin Librascope Corporation |
| Status | ACTIVE |
| Environmental Protection Material Location | AROUND RF SHIELDING GASKET APERTURE |
| Cross-Sectional Height | 0.156 INCHES NOMINAL IN |
| Minor Height | 0.125 INCHES NOMINAL IN |
| Material Document and Classification | UNABLE TO DECODE |
| Cross-Sectional Shape Style | MESH AND COMPOSITION |
| Aperture Width | 10.510 INCHES NOMINAL IN |
| Minor Width | 0.125 INCHES NOMINAL IN |
| Bolt Hole Quantity | 12 |
| Center to Center Distance Between Bolt Holes Along Length | 3.500 INCHES NOMINAL IN |
| Center to Center Distance Between Bolt Holes Along Width | 4.490 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.225 INCHES NOMINAL IN |
| Material | UNABLE TO DECODE |
| Hole Diameter | 0.234 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.225 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 | XN |
| Part Number | Manufacturer |
|---|---|
| B4012781 | Department of the Army Hq United States Army Communications Research and Development Command (USA) |
| L356001238 PRIMARY | Lockheed Martin Librascope Corporation (USA) |
NSN 5999-01-170-3083 is a Shielding Gasket,electronic, manufactured by Lockheed Martin Librascope Corporation, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-170-3083 has 2 manufacturer part numbers on file: B4012781 (Department of the Army Hq United States Army Communications Research and Development Command), L356001238 (Lockheed Martin Librascope Corporation).
Key specifications for L356001238: Environmental Protection Material Location: AROUND RF SHIELDING GASKET APERTURE; Cross-Sectional Height: 0.156 INCHES NOMINAL IN; Minor Height: 0.125 INCHES NOMINAL IN; 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.