The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-443-8784, 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 Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5999-01-443-8784 |
| Primary Part Number | 77C721234P8 |
| Item Name | Shielding Gasket,electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division |
| Status | ACTIVE |
| Environmental Protection Material Location | THROUGHOUT RF SHIELDING GASKET |
| Cross-Sectional Height | 0.020 INCHES NOMINAL IN |
| Style Designator | NON-CIRCULAR |
| Cross-Sectional Shape Style | WIRE AND COMPOSITION |
| Aperture Diameter | 1.500 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Material | UNABLE TO DECODE |
| Hole Diameter | 0.140 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 | J |
| Part Number | Manufacturer |
|---|---|
| 77C721234P8 PRIMARY | Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division (USA) |
| 77C721234P8 | Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division (USA) |
| 77C721234P8 | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 77C721234P8 | 5/9 Secondary reference Technical Wire Products, Llc Dba Twp |
NSN 5999-01-443-8784 is a Shielding Gasket,electronic, manufactured by Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-443-8784 has 3 manufacturer part numbers on file: 77C721234P8 (Navy, United States Department of the Dba Naval Surface Warfare Center Div Naval Surface Warfare Center Crane Division), 77C721234P8 (Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division), 77C721234P8 (Lockheed Martin Corporation Div Rms).
Key specifications for 77C721234P8: Environmental Protection Material Location: THROUGHOUT RF SHIELDING GASKET; Cross-Sectional Height: 0.020 INCHES NOMINAL IN; Style Designator: NON-CIRCULAR; Overall Length: 1.420 INCHES NOMINAL IN. 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.
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.