The Stem,fluid Valve, cataloged under National Stock Number 4820-01-214-1599, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-214-1599 |
| Primary Part Number | 21525-4 |
| Item Name | Stem,fluid Valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| N356 PIECE 5 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 21525-4 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| N356 | D/9 Drawing number reference only Leslie Controls, Inc. Dba Leslie Controls Inc |
NSN 4820-01-214-1599 is a Stem,fluid Valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-214-1599 has 2 manufacturer part numbers on file: N356 PIECE 5 (Leslie Controls, Inc. Dba Leslie Controls Inc), 21525-4 (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for 21525-4: Special Features: MONEL,QQ-N-281,CLASS A; LOWER END THD 5/8-18 UNF-2A THD; 8.000 IN. O/A LG; TOP END THD IDENTICAL WITH BOTTOM THD A. 0 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.