The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-043-9144, 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 Multi-Flex Seals Inc. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5999-01-043-9144 |
| Primary Part Number | SM-B-524969 |
| Item Name | Shielding Gasket,electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Multi-Flex Seals Inc |
| Status | ACTIVE |
| Environmental Protection Material Location | AROUND RF SHIELDING GASKET OUTER PERIMETER |
| Surface Treatment Document and Classification | UNABLE TO DECODE |
| Cross-Sectional Height | 0.165 INCHES NOMINAL IN |
| Minor Height | 0.125 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | UNABLE TO DECODE |
| Cross-Sectional Shape Style | MESH AND COMPOSITION |
| Aperture Width | 4.100 INCHES NOMINAL IN |
| Minor Width | 0.125 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Aperture Length | 6.230 INCHES NOMINAL IN |
| Bolt Hole Quantity | 6 |
| Center to Center Distance Between Bolt Holes Along Length | 2.900 INCHES NOMINAL IN |
| Surface Treatment | UNABLE TO DECODE |
| Center to Center Distance Between Bolt Holes Along Width | 4.150 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.225 INCHES NOMINAL IN |
| Outside Corner Radius | 0.120 INCHES NOMINAL IN |
| Material | UNABLE TO DECODE |
| Hole Diameter | 0.250 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.465 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 | 0.2000 lbs |
| Cube | 0.0200 cu ft |
| Part Number | Manufacturer |
|---|---|
| SM-B-524969 | Multi-Flex Seals Inc (USA) |
| Reference | Meaning |
|---|---|
| SM-B-524969 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5999-01-043-9144 is a Shielding Gasket,electronic, manufactured by Multi-Flex Seals Inc, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-043-9144 has 1 manufacturer part number on file: SM-B-524969 (Multi-Flex Seals Inc).
Key specifications for SM-B-524969: Environmental Protection Material Location: AROUND RF SHIELDING GASKET OUTER PERIMETER; Surface Treatment Document and Classification: UNABLE TO DECODE; Cross-Sectional Height: 0.165 INCHES NOMINAL IN; Minor Height: 0.125 INCHES NOMINAL IN. 19 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.