The Interlock Assembly, cataloged under National Stock Number 4820-01-475-2192, 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 8 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-475-2192 |
| Primary Part Number | 751-6402006 ITEM3L1 |
| Item Name | Interlock Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | QUALITY CONTROL INA CCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION OF LEVEL 1 ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 751-6402006 ITEM3L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 751-6402002 FIND3L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 751-6402004 ITEM3L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 751-6402008 ITEM3L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 751-6402002 ITEM 3L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 751-6402002-3L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 751-6402302 ASSEMBLY 96L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 211086292L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 751-6402002 FIND3 | 5/1 Secondary reference Naval Sea Systems Command |
| 751-6402002 ITEM 3 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 751-6402002-3 | 5/1 Secondary reference Naval Sea Systems Command |
| 211086292 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 4820-01-475-2192 is a Interlock Assembly, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-475-2192 has 8 manufacturer part numbers on file: 751-6402006 ITEM3L1 (Naval Inventory Control Point Mechanicsburg), 751-6402002 FIND3L1 (Naval Inventory Control Point Mechanicsburg), 751-6402004 ITEM3L1 (Naval Inventory Control Point Mechanicsburg), 751-6402008 ITEM3L1 (Naval Inventory Control Point Mechanicsburg), 751-6402002 ITEM 3L1 (Naval Inventory Control Point Mechanicsburg) and 3 more.
Key specifications for 751-6402006 ITEM3L1: Criticality Code Justification: ZZZY; End Item Identification: DWG CC:MAIL 7/26/95; Reference Number Differentiating Characteristics: QUALITY CONTROL INA CCORDANCE WITH NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION OF LEVEL 1 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 4820-01-475-2192 has DEMIL Code B. 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.