The Valve,plug, cataloged under National Stock Number 4820-01-545-0918, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves 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 16 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 17 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-545-0918 |
| Primary Part Number | 751-6402406 ITEM 19L1 |
| Item Name | Valve,plug |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| 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 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 751-6402406 ITEM 19L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 751-6402404 ITEM 65L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 751-6402405 FIND 65L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 211032838L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 751-6402201 ITEM 67L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 751-6402402 ITEM 19L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 751-6402401 ITEM 19L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 751-6402403 ITEM 65L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 751-6402724 FIND AY83L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 751-6402401 ITEM 65L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 751-6402201 FIND 67L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 751-6402405 ITEM 19L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 751-6402403 ITEM 19L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 751-6402405 ITEM 65L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 751-6402202 ITEM 67L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 751-6402402 ITEM 65L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 751-6402402 ITEM 19 | 5/1 Secondary reference Naval Sea Systems Command |
| 751-6402405 ITEM 65 | 5/1 Secondary reference Naval Sea Systems Command |
| 751-6402405 ITEM 19 | 5/1 Secondary reference Naval Sea Systems Command |
| 751-6402402 ITEM 65 | 5/1 Secondary reference Naval Sea Systems Command |
| 751-6402201 ITEM 67 | 5/1 Secondary reference Naval Sea Systems Command |
| 751-6402401 ITEM 19 | 5/1 Secondary reference Naval Sea Systems Command |
| 751-6402404 ITEM 65 | 5/1 Secondary reference Naval Sea Systems Command |
| 211023838 | 5/1 Secondary reference U.S. Government activity |
| 751-6402405 FIND 65 | 5/1 Secondary reference Naval Sea Systems Command |
| 751-6402724 FIND AY83 | 5/1 Secondary reference Naval Sea Systems Command |
| 751-6402201 FIND 67 | 5/1 Secondary reference Naval Sea Systems Command |
| 211032838 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 751-6402202 ITEM 67 | 5/1 Secondary reference Naval Sea Systems Command |
| 751-6402401 ITEM 65 | 5/1 Secondary reference Naval Sea Systems Command |
| 751-6402406 ITEM 19 | 5/1 Secondary reference Naval Sea Systems Command |
| 751-6402403 ITEM 19 | 5/1 Secondary reference Naval Sea Systems Command |
| 751-6402403 ITEM 65 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 4820-01-545-0918 is a Valve,plug, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-545-0918 has 16 manufacturer part numbers on file: 751-6402406 ITEM 19L1 (Naval Inventory Control Point Mechanicsburg), 751-6402404 ITEM 65L1 (Naval Inventory Control Point Mechanicsburg), 751-6402405 FIND 65L1 (Naval Inventory Control Point Mechanicsburg), 211032838L1 (Naval Inventory Control Point Mechanicsburg), 751-6402201 ITEM 67L1 (Naval Inventory Control Point Mechanicsburg) and 11 more.
Key specifications for 751-6402406 ITEM 19L1: Criticality Code Justification: ZZZY; End Item Identification: TORPEDO TUBE,SUBMERGED,UPR RH,MK69,MOD 1; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 4820-01-545-0918 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.