The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-243-6777, 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 Communication Systems-East. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5999-01-243-6777 |
| Primary Part Number | 8683391-1 |
| Item Name | Shielding Gasket,electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | ACTIVE |
| Environmental Protection Material Location | THROUGHOUT RF SHIELDING GASKET |
| Cross-Sectional Thickness | 0.125 INCHES NOMINAL IN |
| Material Document and Classification | UNABLE TO DECODE |
| Cross-Sectional Shape Style | METAL AND SYNTHETIC RUBBER |
| Aperture Width | 4.810 INCHES NOMINAL IN |
| Aperture Length | 7.260 INCHES NOMINAL IN |
| Bolt Hole Quantity | 16 |
| Center to Center Distance Between Bolt Holes Along Length | 2.000 INCHES NOMINAL IN |
| Surface Treatment | UNABLE TO DECODE |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.380 INCHES NOMINAL IN |
| Material | UNABLE TO DECODE |
| Hole Diameter | 0.234 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 | JN |
| Weight | 0.2500 lbs |
| Cube | 0.0017 cu ft |
| Part Number | Manufacturer |
|---|---|
| 8683391-1 | Majr Products Corp (USA) |
| 8683391-1 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| 03-0204-B334 | Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division (USA) |
| Reference | Meaning |
|---|---|
| 8683391-1 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5999-01-243-6777 is a Shielding Gasket,electronic, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-243-6777 has 3 manufacturer part numbers on file: 8683391-1 (Majr Products Corp), 8683391-1 (L3 Technologies, Inc. Div Communication Systems-East), 03-0204-B334 (Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division).
Key specifications for 8683391-1: Environmental Protection Material Location: THROUGHOUT RF SHIELDING GASKET; Cross-Sectional Thickness: 0.125 INCHES NOMINAL IN; Material Document and Classification: UNABLE TO DECODE; Overall Length: 8.760 INCHES NOMINAL IN. 13 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.