The Plug,leakproof Seal, cataloged under National Stock Number 5340-01-355-7406, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 12 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 16 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-355-7406 |
| Primary Part Number | 7550478-S1E10205-14-23C1 |
| Item Name | Plug,leakproof Seal |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS AND REQUIRES CLEANING, PACKING, AND MARKING IAW MIL-STD-1330 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 7550478-S1E10205-14-23C1 | Naval Inventory Control Point Mechanicsburg (USA) |
| G547-0002-V3D10431-12C1 | Naval Inventory Control Point Mechanicsburg (USA) |
| V3D10431-12C1 | Naval Inventory Control Point Mechanicsburg (USA) |
| V3D10506 ITEM 12C1 | Naval Inventory Control Point Mechanicsburg (USA) |
| S1E10086 ITEM 4C1 | Naval Inventory Control Point Mechanicsburg (USA) |
| G547-0002-V3D10506-12C1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7550478-V3D10431-12C1 | Naval Inventory Control Point Mechanicsburg (USA) |
| S1E10205-12-23C1 | Naval Inventory Control Point Mechanicsburg (USA) |
| G547-0002-S1E10205-14-23C1 | Naval Inventory Control Point Mechanicsburg (USA) |
| V3D10506-12C1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7550478-V3D10506-12C1 | Naval Inventory Control Point Mechanicsburg (USA) |
| S2B10128-3TAC1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| G547-0002-V3D10506-12 | 5/9 Secondary reference U.S. Government activity |
| S1E10205-12-23 | 5/9 Secondary reference U.S. Government activity |
| V3D10431 ITEM 12C1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| S1E10068 ITEM 4 | 3/1 Design control — primary reference U.S. Government activity |
| G547-0002-V3D10431-12 | 5/9 Secondary reference U.S. Government activity |
| G547-0002-S1E10205-14-23 | 5/9 Secondary reference U.S. Government activity |
| V3D10506-12 | 5/9 Secondary reference U.S. Government activity |
| S1E10205 ITEM 23 | 5/9 Secondary reference U.S. Government activity |
| V3D10431-12 | 5/9 Secondary reference U.S. Government activity |
| 7550478-V3D10431-12 | 5/1 Secondary reference Naval Sea Systems Command |
| 7550478-V3D10506-12 | 5/1 Secondary reference Naval Sea Systems Command |
| 7550478-S1E10205-14-23 | 5/1 Secondary reference Naval Sea Systems Command |
| S1E10205 ITEM 23C1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| S2B10128-3TA | 5/1 Secondary reference U.S. Government activity |
| V3D10506 ITEM 12 | 5/9 Secondary reference U.S. Government activity |
| V3D10431 ITEM 12 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-01-355-7406 is a Plug,leakproof Seal, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-355-7406 has 12 manufacturer part numbers on file: 7550478-S1E10205-14-23C1 (Naval Inventory Control Point Mechanicsburg), G547-0002-V3D10431-12C1 (Naval Inventory Control Point Mechanicsburg), V3D10431-12C1 (Naval Inventory Control Point Mechanicsburg), V3D10506 ITEM 12C1 (Naval Inventory Control Point Mechanicsburg), S1E10086 ITEM 4C1 (Naval Inventory Control Point Mechanicsburg) and 7 more.
2 possible matches (shared part number, not a government interchangeability claim): 4710-01-422-2663, 5340-01-698-7832. Verify interchangeability with system specifications before substitution.
Key specifications for 7550478-S1E10205-14-23C1: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS AND REQUIRES CLEANING, PACKING, AND MARKING IAW MIL-STD-1330. 2 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.