The Compensator Vent VA, cataloged under National Stock Number 4820-01-441-5244, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-441-5244 |
| Primary Part Number | 2B3-06565 |
| Item Name | Compensator Vent VA |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | INCLUDES VENT VALVE; SANDWICH BLOCK; SAE O-RING PLUGS; O-RING; CAPSCREW; LOCKNUT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2D3-05192 IT NO 25 | Lake Shore Systems, Inc. (USA) |
| 2B3-06565 | Lake Shore Systems, Inc. (USA) |
| 2D3-05192 IT NO 25 | Lake Shore Systems, Inc. (USA) |
| 2B3-06565 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 14DS61-T8-1-F-1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 2D3-05192 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
NSN 4820-01-441-5244 is a Compensator Vent VA, manufactured by Lake Shore Systems, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-441-5244 has 4 manufacturer part numbers on file: 2D3-05192 IT NO 25 (Lake Shore Systems, Inc.), 2B3-06565 (Lake Shore Systems, Inc.), 2D3-05192 IT NO 25 (Lake Shore Systems, Inc.), 2B3-06565 (Lake Shore Systems, Inc.).
Key specifications for 2B3-06565: General Characteristics Item Description: INCLUDES VENT VALVE; SANDWICH BLOCK; SAE O-RING PLUGS; O-RING; CAPSCREW; LOCKNUT; Part Name Assigned by Controlling Agency: COMPENSATOR VENT VALVE ASSEMBLY; End Item Identification: WASP CLASS LHD. 1 specification is 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.
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.