The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-504-2140, 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 The Gund Company, Inc.. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-504-2140 |
| Primary Part Number | 4973766-9 |
| Item Name | Shielding Gasket,electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | The Gund Company, Inc. |
| Status | ACTIVE |
| Precious Material | SILVER |
| Style Designator | CIRCULAR |
| Cross-Sectional Shape Style | EMI |
| Outside Diameter | 2.052 INCHES MINIMUM AND 2.078 INCHES MAXIMUM IN |
| Aperture Diameter | 1.962 INCHES MINIMUM AND 1.982 INCHES MAXIMUM IN |
| Precious Material and Location | PERMEATED THRU ELASTOMER SILVER |
| Cross Section Outside Diameter | 0.093 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 | ZZ |
| Weight | 0.0400 lbs |
| Cube | 0.0036 cu ft |
| Part Number | Manufacturer |
|---|---|
| 4973766-9 | The Gund Company, Inc. (USA) |
| 19-04-20549-1285 | Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division (USA) |
| Reference | Meaning |
|---|---|
| 19-04-14920-1285 | 5/9 Secondary reference United Seal & Rubber Company, Inc. Dba United Seal & Rubber Co Inc |
| 4973766-5 | 5/9 Secondary reference U.S. Government activity |
| 4973766-9 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5999-01-504-2140 is a Shielding Gasket,electronic, manufactured by The Gund Company, Inc., classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-504-2140 has 2 manufacturer part numbers on file: 4973766-9 (The Gund Company, Inc.), 19-04-20549-1285 (Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division).
Key specifications for 4973766-9: Precious Material: SILVER; Style Designator: CIRCULAR; Cross-Sectional Shape Style: EMI; Outside Diameter: 2.052 INCHES MINIMUM AND 2.078 INCHES MAXIMUM IN. 7 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.