The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-170-3087, 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 15 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 | 5999-01-170-3087 |
| Primary Part Number | L356001257 |
| 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 | THROUGHOUT RF SHIELDING GASKET |
| Cross-Sectional Height | 0.062 INCHES NOMINAL IN |
| Inside Corner Radius | 0.060 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | UNABLE TO DECODE |
| Cross-Sectional Shape Style | EMI |
| Aperture Width | 5.240 INCHES NOMINAL IN |
| Aperture Length | 7.240 INCHES NOMINAL IN |
| Bolt Hole Quantity | 14 |
| Center to Center Distance Between Bolt Holes Along Length | 1.910 INCHES NOMINAL IN |
| Center to Center Distance Between Bolt Holes Along Width | 1.880 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.380 INCHES NOMINAL IN |
| Material | UNABLE TO DECODE |
| Hole Diameter | 0.193 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.380 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 |
| Weight | 0.1000 lbs |
| Cube | 0.0010 cu ft |
| Part Number | Manufacturer |
|---|---|
| B4012785 | Department of the Army Hq United States Army Communications Research and Development Command (USA) |
| L356001257 PRIMARY | Lockheed Martin Librascope Corporation (USA) |
NSN 5999-01-170-3087 is a Shielding Gasket,electronic, manufactured by Lockheed Martin Librascope Corporation, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-170-3087 has 2 manufacturer part numbers on file: B4012785 (Department of the Army Hq United States Army Communications Research and Development Command), L356001257 (Lockheed Martin Librascope Corporation).
Key specifications for L356001257: Environmental Protection Material Location: THROUGHOUT RF SHIELDING GASKET; Cross-Sectional Height: 0.062 INCHES NOMINAL IN; Inside Corner Radius: 0.060 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR. 15 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.