The Valve,gate, cataloged under National Stock Number 4820-01-465-0185, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Bonney Forge Valve. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-465-0185 |
| Primary Part Number | H18L-SW-0.25IN |
| Item Name | Valve,gate |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Bonney Forge Valve |
| Status | ACTIVE |
| Inlet Relationship with Outlet | IDENTICAL |
| Nominal Pipe Size Accommodated | 0.563 INCHES IN |
| Stem Type | NONRISING |
| Connection Type | SOCKET, WELD, PIPE |
| Material Document and Classification | A182-F316L ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Material Document and Classification | A182-F316L ASSN STD SINGLE MATERIAL RESPONSE SEAT |
| Material Document and Classification | A182-F316L ASSN STD SINGLE MATERIAL RESPONSE STEM |
| Material Document and Classification | F316L+STELLITE ASSN STD SINGLE MATERIAL RESPONSE DISK |
| Valve Size | 0.315 INCHES IN |
| Bonnet Type | INSIDE SCREW |
| Bonnet Attachment Method | BOLTED |
| Material | STEEL COMP 316L STEM |
| Material | STEEL COMP 316L BODY |
| Material | STEEL CORROSION RESISTING DISK |
| Material | STEEL COMP 316L SEAT |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| H18L-SW-0.25IN PRIMARY | Bonney Forge Valve (USA) |
| Reference | Meaning |
|---|---|
| H-18L | D/9 Drawing number reference only Bonney Forge Valve |
NSN 4820-01-465-0185 is a Valve,gate, manufactured by Bonney Forge Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-465-0185 has 1 manufacturer part number on file: H18L-SW-0.25IN (Bonney Forge Valve).
Key specifications for H18L-SW-0.25IN: Inlet Relationship with Outlet: IDENTICAL; Nominal Pipe Size Accommodated: 0.563 INCHES IN; Stem Type: NONRISING; Connection Type: SOCKET, WELD, PIPE. 16 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.