The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-394-8239, 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 Lockheed Martin Corporation Div Rms. Government technical data includes 7 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-394-8239 |
| Primary Part Number | 77C955897P1 |
| Item Name | Shielding Gasket,electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Style Designator | NON-CIRCULAR |
| Material Document and Classification | UNABLE TO DECODE |
| Cross-Sectional Shape Style | EMI HOLLOW |
| Aperture Width | 8.100 INCHES NOMINAL IN |
| Cross Section Inside Diameter | 0.125 INCHES NOMINAL IN |
| Aperture Length | 12.100 INCHES NOMINAL IN |
| Cross Section Outside Diameter | 0.250 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 |
|---|---|
| 77C955897P1 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 19-06-W574-1285 | Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division (USA) |
| 89-00114 | Technical Wire Products, Llc Dba Twp (USA) |
NSN 5999-01-394-8239 is a Shielding Gasket,electronic, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-394-8239 has 3 manufacturer part numbers on file: 77C955897P1 (Lockheed Martin Corporation Div Rms), 19-06-W574-1285 (Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division), 89-00114 (Technical Wire Products, Llc Dba Twp).
Key specifications for 77C955897P1: Style Designator: NON-CIRCULAR; Material Document and Classification: UNABLE TO DECODE; Overall Length: 13.100 INCHES NOMINAL IN; Cross-Sectional Shape Style: EMI HOLLOW. 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.