The Valve Assembly, cataloged under National Stock Number 4820-01-319-2316, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Westfield Hydraulics Inc Dba Westfield Hydraulics Inc. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-319-2316 |
| Primary Part Number | 520110 |
| Item Name | Valve Assembly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Westfield Hydraulics Inc Dba Westfield Hydraulics Inc |
| Status | ACTIVE |
| Valve Quantity | 1 |
| End Connection Quantity | 3 |
| Valve Operation Method | HYDRAULIC |
| 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 |
|---|---|
| 520110 | Westfield Hydraulics Inc Dba Westfield Hydraulics Inc (USA) |
| Reference | Meaning |
|---|---|
| 60244-40683 | 3/2 Design control — primary reference U.S. Government activity |
| 60244-40683 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4820-01-319-2316 is a Valve Assembly, manufactured by Westfield Hydraulics Inc Dba Westfield Hydraulics Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-319-2316 has 1 manufacturer part number on file: 520110 (Westfield Hydraulics Inc Dba Westfield Hydraulics Inc).
Key specifications for 520110: Valve Quantity: 1; End Connection Quantity: 3; Special Features: COUNTER BALANCE VALVE; CONSISTS OF THE FOLLOWING PORTS: CYL (3 PL), PILOT, & PRESSURE PORT; THIS IS A ALTERED ITEM DRAWING; End Item Identification: MHU-196/204/M; NHA 60244-40364. 3 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.
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.