The Seat,valve, cataloged under National Stock Number 4820-00-852-5380, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sloan Valve Company. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-852-5380 |
| Primary Part Number | D019A 0337036 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sloan Valve Company |
| Status | ACTIVE |
| Body Outside Diameter | 1.375 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Body Inside Diameter | 1.062 INCHES NOMINAL IN |
| Material | PLASTIC ACETAL OVERALL |
| Seating Surface Shape | RADIAL |
| 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 |
|---|---|
| D019A 0337036 PRIMARY | Sloan Valve Company (USA) |
| Reference | Meaning |
|---|---|
| D019 | 5/9 Secondary reference Sloan Valve Company |
| A17368 | 5/9 Secondary reference Sloan Valve Company |
NSN 4820-00-852-5380 is a Seat,valve, manufactured by Sloan Valve Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-852-5380 has 1 manufacturer part number on file: D019A 0337036 (Sloan Valve Company).
2 possible matches (shared part number, not a government interchangeability claim): 5136-01-028-4305, 5136-01-604-5279. Verify interchangeability with system specifications before substitution.
Key specifications for D019A 0337036: Overall Height: 0.375 INCHES NOMINAL IN; Body Outside Diameter: 1.375 INCHES NOMINAL IN; Style Designator: PLAIN; Body Inside Diameter: 1.062 INCHES NOMINAL 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.