The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-498-0508, 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 Boeing Company Div Defense. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5999-01-498-0508 |
| Primary Part Number | 5M988-11M |
| Item Name | Shielding Gasket,electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Cross-Sectional Thickness | 0.045 INCHES NOMINAL IN |
| Cross-Sectional Height | 0.062 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | UNABLE TO DECODE |
| Cross-Sectional Shape Style | EMI |
| Aperture Diameter | 0.750 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 4 |
| Center to Center Distance Between Bolt Holes Along Length | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN |
| Center to Center Distance Between Bolt Holes Along Width | 1.563 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.218 INCHES NOMINAL IN |
| Outside Corner Radius | 0.125 INCHES NOMINAL IN |
| Material | UNABLE TO DECODE |
| Hole Diameter | 1.015 INCHES MINIMUM AND 1.035 INCHES MAXIMUM IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.218 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 | ZN |
| Weight | 0.0100 lbs |
| Cube | 0.0001 cu ft |
| Part Number | Manufacturer |
|---|---|
| 07-0501-7512 | Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division (USA) |
| 1214-0773 | Conductive Systems, Inc. Dba Conductive Systems Inc (USA) |
| 5M988-11M PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 5M988 | 7/1 Vendor item drawing reference The Boeing Company Div Defense |
NSN 5999-01-498-0508 is a Shielding Gasket,electronic, manufactured by The Boeing Company Div Defense, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-498-0508 has 3 manufacturer part numbers on file: 07-0501-7512 (Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division), 1214-0773 (Conductive Systems, Inc. Dba Conductive Systems Inc), 5M988-11M (The Boeing Company Div Defense).
Key specifications for 5M988-11M: Overall Height: 1.045 INCHES MINIMUM AND 1.075 INCHES MAXIMUM IN; Cross-Sectional Thickness: 0.045 INCHES NOMINAL IN; Cross-Sectional Height: 0.062 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR. 14 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.