The Stem,fluid Valve, cataloged under National Stock Number 4820-01-284-4915, 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 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-284-4915 |
| Primary Part Number | 18483 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Bonney Forge Valve |
| Status | ACTIVE |
| Valve Type for Which Designed | GATE |
| Stem Actuating End Type | THREADED EXTERNALLY |
| Valve Model Number for Which Designed | HL-11 |
| Valve Size for Which Designed | 1.500 INCHES IN |
| Material | STEEL COMP 410 |
| 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 |
|---|---|
| 18483 PRIMARY | Bonney Forge Valve (USA) |
| HL11 ITEM 13 1.50IN | Bonney Forge Valve (USA) |
| Reference | Meaning |
|---|---|
| HL1-11 ITEM 13 1.50IN | 5/9 Secondary reference Bonney Forge Corp |
NSN 4820-01-284-4915 is a Stem,fluid Valve, manufactured by Bonney Forge Valve, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-284-4915 has 2 manufacturer part numbers on file: 18483 (Bonney Forge Valve), HL11 ITEM 13 1.50IN (Bonney Forge Valve).
4 possible matches (shared part number, not a government interchangeability claim): 3010-01-502-0829, 5975-01-535-6454, 1680-01-553-5648. Verify interchangeability with system specifications before substitution.
Key specifications for 18483: Valve Type for Which Designed: GATE; Stem Actuating End Type: THREADED EXTERNALLY; Valve Model Number for Which Designed: HL-11; Valve Size for Which Designed: 1.500 INCHES IN. 5 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.