The Shielding Gasket,electronic, cataloged under National Stock Number 5999-01-342-3920, 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 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5999-01-342-3920 |
| Primary Part Number | LO4403 |
| Item Name | Shielding Gasket,electronic |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| Status | ACTIVE |
| Environmental Protection Material Location | THROUGHOUT RF SHIELDING GASKET |
| Cross-Sectional Height | 0.048 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN |
| Inside Corner Radius | 0.030 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZY |
| Style Designator | NON-CIRCULAR |
| Cross-Sectional Shape Style | EMI |
| Aperture Width | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| Aperture Length | 4.860 INCHES MINIMUM AND 4.900 INCHES MAXIMUM IN |
| Bolt Hole Quantity | 6 |
| Center to Center Distance Between Bolt Holes Along Length | 2.680 INCHES MINIMUM AND 2.720 INCHES MAXIMUM IN |
| Center to Center Distance Between Bolt Holes Along Width | 0.780 INCHES MINIMUM AND 0.820 INCHES MAXIMUM IN |
| Outside Edge to Bolt Hole Center Distance Along Length | 0.180 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Material | UNABLE TO DECODE |
| Hole Diameter | 0.160 INCHES NOMINAL IN |
| Outside Edge to Bolt Hole Center Distance Along Width | 0.180 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN |
| Reference Number Differentiating Characteristics | REFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT ACTIVITY HX QUALITY CONTROL. MANUFACTURING AND TESTING SPECIFICATIONS AVAILABLE AT THE DLA ICP. |
| 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 | S |
| Unit of Issue | EA |
| Acquisition advice code | Z |
| Weight | 0.0400 lbs |
| Cube | 0.0020 cu ft |
| Part Number | Manufacturer |
|---|---|
| LO4403 | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| Reference | Meaning |
|---|---|
| 86-10578A | 5/1 Secondary reference Technical Wire Products, Llc Dba Twp |
| KPY121 | 5/9 Secondary reference Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution |
| KPY121 | 3/1 Design control — primary reference Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
NSN 5999-01-342-3920 is a Shielding Gasket,electronic, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-342-3920 has 1 manufacturer part number on file: LO4403 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).
Key specifications for LO4403: Environmental Protection Material Location: THROUGHOUT RF SHIELDING GASKET; Cross-Sectional Height: 0.048 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN; Inside Corner Radius: 0.030 INCHES MAXIMUM IN; Criticality Code Justification: ZZZY. 16 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.