The Valve,angle, cataloged under National Stock Number 4820-01-459-4604, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Sfc Valve Corporation. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-459-4604 |
| Primary Part Number | 525-S321-XKL |
| Item Name | Valve,angle |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Sfc Valve Corporation |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING OVERALL |
| Valve Operation Method | MANUAL |
| 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 |
|---|---|
| 525-S321-XKL PRIMARY | Sfc Valve Corporation (USA) |
| Reference | Meaning |
|---|---|
| 525-S321-XKL | 3/9 Design control — primary reference Sfc Valve Corp |
| 803-2177525 REV K | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 4820-01-459-4604 is a Valve,angle, manufactured by Sfc Valve Corporation, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-459-4604 has 1 manufacturer part number on file: 525-S321-XKL (Sfc Valve Corporation).
Key specifications for 525-S321-XKL: Special Features: 1/2 INCH ANGLE VALVE IN; End Item Identification: W/S CODE ARLEIGH BURKE CLASS DDG; Material: STEEL CORROSION RESISTING OVERALL; Valve Operation Method: MANUAL. 2 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.