The Valve,ball, cataloged under National Stock Number 4820-01-062-6527, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tyco Fire Products Lp. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,ball |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Tyco Fire Products Lp (CAGE 03670); Portland Valve Llc (CAGE 53154) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-062-6527 |
| Primary Part Number | V3273ASSEMBLY A |
| Item Name | Valve,ball |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Tyco Fire Products Lp |
| 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 |
|---|---|
| V3273ASSEMBLY A PRIMARY | Tyco Fire Products Lp (USA) |
| V-3273ASSEMBLY A PRIMARY | Portland Valve Llc (USA) |
| Reference | Meaning |
|---|---|
| V3273ASSYA1 1-2 | C/1 Advisory reference — outside the item-of-supply concept Portland Valve Llc |
| V3273 | D/9 Drawing number reference only Tyco Fire Products Lp |
| V3273ASSYA1 1-2 | C/1 Advisory reference — outside the item-of-supply concept Rockwood Systems Corp |
NSN 4820-01-062-6527 is a Valve,ball, manufactured by Tyco Fire Products Lp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-062-6527 has 2 manufacturer part numbers on file: V3273ASSEMBLY A (Tyco Fire Products Lp), V-3273ASSEMBLY A (Portland Valve Llc).
3 possible matches (shared part number, not a government interchangeability claim): 4820-01-062-8757, 4820-01-063-3880, 4820-01-067-2036. Verify interchangeability with system specifications before substitution.
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.