The Yoke,valve, cataloged under National Stock Number 4820-01-110-3574, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is The Walworth Company. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-110-3574 |
| Primary Part Number | 845-1889580ASSYGS3IN PIECE 38 |
| Item Name | Yoke,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | The Walworth Company |
| Status | ACTIVE |
| General Characteristics Item Description | CAST IRON,5.250-4 ACME INTERNAL THD IN BASE,2.312-12 NS INTERNAL STEM BUSHING THD IN TOP,6.125 IN. BASE DIA,10.875 IN. O/A H IN |
| 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 |
|---|---|
| 845-1889580ASSYGS3IN PIECE 38 PRIMARY | The Walworth Company (USA) |
| Reference | Meaning |
|---|---|
| 845-1889580ASSY | C/1 Advisory reference — outside the item-of-supply concept The Walworth Company |
NSN 4820-01-110-3574 is a Yoke,valve, manufactured by The Walworth Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-110-3574 has 1 manufacturer part number on file: 845-1889580ASSYGS3IN PIECE 38 (The Walworth Company).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-110-8633. Verify interchangeability with system specifications before substitution.
Key specifications for 845-1889580ASSYGS3IN PIECE 38: General Characteristics Item Description: CAST IRON,5.250-4 ACME INTERNAL THD IN BASE,2.312-12 NS INTERNAL STEM BUSHING THD IN TOP,6.125 IN. BASE DIA,10.875 IN. O/A H IN. 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.