The Disk,valve, cataloged under National Stock Number 4820-00-447-0049, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tate Andale, Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4820-00-447-0049 |
| Primary Part Number | N5375PC4 |
| Item Name | Disk,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tate Andale, Llc |
| Status | ACTIVE |
| Shank Diameter | 0.628 INCHES NOMINAL IN |
| Flange Seat to Disk End Height | 2.438 INCHES NOMINAL IN |
| Flange Diameter | 2.188 INCHES NOMINAL IN |
| Outside Diameter | 2.210 INCHES NOMINAL IN |
| Style Designator | POPPET |
| Seat Angle | 45.0 DEGREES NOMINAL |
| Under Flange Height | 0.139 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| N5375PC4 PRIMARY | Tate Andale, Llc (USA) |
| Reference | Meaning |
|---|---|
| VD81RV15H14751R1 | 5/9 Secondary reference Tate Andale, Llc |
| VD81RV15H14751R | C/1 Advisory reference — outside the item-of-supply concept Tate Andale, Llc |
| N5375 | D/9 Drawing number reference only Tate Andale, Llc |
NSN 4820-00-447-0049 is a Disk,valve, manufactured by Tate Andale, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-00-447-0049 has 1 manufacturer part number on file: N5375PC4 (Tate Andale, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-185-6075, 4820-01-192-1625. Verify interchangeability with system specifications before substitution.
Key specifications for N5375PC4: Shank Diameter: 0.628 INCHES NOMINAL IN; Flange Seat to Disk End Height: 2.438 INCHES NOMINAL IN; Flange Diameter: 2.188 INCHES NOMINAL IN; Overall Height: 2.875 INCHES NOMINAL IN. 8 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.