The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-258-3949, 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 Technical Wire Products, Llc Dba Twp. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5999-01-258-3949 |
| Primary Part Number | 84-00242A |
| Item Name | Shielding Gasket,electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Technical Wire Products, Llc Dba Twp |
| Status | ACTIVE |
| Environmental Protection Material Location | THROUGHOUT RF SHIELDING GASKET |
| Precious Material | SILVER |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | EMI |
| Aperture Diameter | 2.040 INCHES MINIMUM AND 2.060 INCHES MAXIMUM IN |
| Precious Material and Location | DISPERSED UNIFORMLY THROUGHOUT SILVER |
| Cross Section Outside Diameter | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Material | UNABLE TO DECODE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Weight | 0.0010 lbs |
| Cube | 0.0000 cu ft |
| Part Number | Manufacturer |
|---|---|
| 2907786-3 | Laird Technologies, Inc Dba Laird Technologies (USA) |
| 84-00242A PRIMARY | Technical Wire Products, Llc Dba Twp (USA) |
| Reference | Meaning |
|---|---|
| 2907786-3 | 7/2 Vendor item drawing reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| 85-30263 | 5/9 Secondary reference Technical Wire Products, Llc Dba Twp |
| 23-0200-0639 | 5/9 Secondary reference Metal Textiles Corporation Dba Metal Textiles Div Electronic Shielding Group |
NSN 5999-01-258-3949 is a Shielding Gasket,electronic, manufactured by Technical Wire Products, Llc Dba Twp, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-258-3949 has 2 manufacturer part numbers on file: 2907786-3 (Laird Technologies, Inc Dba Laird Technologies), 84-00242A (Technical Wire Products, Llc Dba Twp).
1 possible match (shared part number, not a government interchangeability claim): 5365-01-288-9464. Verify interchangeability with system specifications before substitution.
Key specifications for 84-00242A: Environmental Protection Material Location: THROUGHOUT RF SHIELDING GASKET; Precious Material: SILVER; Style Designator: CIRCULAR; Cross-Sectional Shape Style: EMI. 8 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.
NSN 5999-01-258-3949 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.