The Shielding Gasket,electronic, cataloged under National Stock Number 5999-00-252-4901, 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 - Mitchel Field. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-00-252-4901 |
| Primary Part Number | 1201208 |
| Item Name | Shielding Gasket,electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Environmental Protection Material Location | AROUND RF SHIELDING GASKET OUTER PERIMETER |
| Cross-Sectional Thickness | 0.250 INCHES NOMINAL IN |
| Material Document and Classification | UNABLE TO DECODE |
| Aperture Width | 2.188 INCHES NOMINAL IN |
| Aperture Length | 16.250 INCHES NOMINAL IN |
| Bolt Hole Quantity | 10 |
| Center to Center Distance Between Bolt Holes Along Length | 4.375 INCHES NOMINAL IN |
| Center to Center Distance Between Bolt Holes Along Width | 1.406 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.312 INCHES NOMINAL IN |
| Material | UNABLE TO DECODE |
| Hole Diameter | 0.245 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.312 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 |
| Weight | 0.0100 lbs |
| Cube | 0.0010 cu ft |
| Part Number | Manufacturer |
|---|---|
| 1201208 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
NSN 5999-00-252-4901 is a Shielding Gasket,electronic, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-00-252-4901 has 1 manufacturer part number on file: 1201208 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 1201208: Environmental Protection Material Location: AROUND RF SHIELDING GASKET OUTER PERIMETER; Cross-Sectional Thickness: 0.250 INCHES NOMINAL IN; Material Document and Classification: UNABLE TO DECODE; Overall Length: 17.500 INCHES NOMINAL IN. 12 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.