The Seat,valve, cataloged under National Stock Number 4820-01-229-4209, 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 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-229-4209 |
| Primary Part Number | VS88RV15H11352R1 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tate Andale, Llc |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.687 INCHES NOMINAL IN |
| Flange Diameter | 1.750 INCHES NOMINAL IN |
| Body Outside Diameter | 1.375 INCHES NOMINAL IN |
| Body Inside Diameter | 0.718 INCHES NOMINAL IN |
| Material | COPPER ALLOY SEAT |
| Seating Surface Shape | FLAT |
| 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 |
|---|---|
| N5557 PIECE 3 | Tate Andale, Llc (USA) |
| VS88RV15H11352R1 PRIMARY | Tate Andale, Llc (USA) |
| Reference | Meaning |
|---|---|
| VS88RV15H11352R | C/1 Advisory reference — outside the item-of-supply concept Tate Andale, Llc |
| N5557 | D/9 Drawing number reference only Tate Andale, Llc |
NSN 4820-01-229-4209 is a Seat,valve, manufactured by Tate Andale, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-229-4209 has 2 manufacturer part numbers on file: N5557 PIECE 3 (Tate Andale, Llc), VS88RV15H11352R1 (Tate Andale, Llc).
Key specifications for VS88RV15H11352R1: Flange Seat to Disk End Height: 0.687 INCHES NOMINAL IN; Flange Diameter: 1.750 INCHES NOMINAL IN; Body Outside Diameter: 1.375 INCHES NOMINAL IN; Body Inside Diameter: 0.718 INCHES NOMINAL IN. 6 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.