The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-266-4079, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-266-4079 |
| Item Name | Shielding Gasket,electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Status | ACTIVE |
| Environmental Protection Material Location | THROUGHOUT RF SHIELDING GASKET |
| Cross-Sectional Height | 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | UNABLE TO DECODE |
| Cross-Sectional Shape Style | EMI |
| Aperture Diameter | 1.062 INCHES MINIMUM AND 1.078 INCHES MAXIMUM IN |
| Specification/standard Data | 81349-MIL-C-28840/24 GOVERNMENT SPECIFICATION |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 0.958 INCHES MINIMUM AND 0.978 INCHES MAXIMUM IN |
| Center to Center Distance Between Bolt Holes Along Width | 0.958 INCHES MINIMUM AND 0.978 INCHES MAXIMUM IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.100 INCHES MINIMUM AND 0.158 INCHES MAXIMUM IN |
| Test Data Document | 81349-MIL-C-28840 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Outside Corner Radius | 0.120 INCHES NOMINAL IN |
| Material | UNABLE TO DECODE |
| Hole Diameter | 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.100 INCHES MINIMUM AND 0.158 INCHES MAXIMUM 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 | Z |
| Weight | 0.0200 lbs |
| Cube | 0.0005 cu ft |
| Reference | Meaning |
|---|---|
| MIL-DTL-28840/24 | 4/1 Identification reference U.S. Government activity |
| M28840/24CB | 2/2 Government specification standardization U.S. Government activity |
| MIL-C-28840 | 5/9 Secondary reference U.S. Government activity |
NSN 5999-01-266-4079 is a Shielding Gasket,electronic, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 5999-01-276-0609, 5999-01-354-5164, 5330-01-419-8598. Verify interchangeability with system specifications before substitution.
Key specifications for 5999-01-266-4079: Environmental Protection Material Location: THROUGHOUT RF SHIELDING GASKET; Cross-Sectional Height: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN; Style Designator: NON-CIRCULAR; Material Document and Classification: UNABLE TO DECODE. 16 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.