The Parts Kit,ball Valve, cataloged under National Stock Number 4820-01-271-0164, 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 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Parts Kit,ball Valve |
| FSC / FSG | 4820 — Valves, Nonpowered (FSG 48) |
| Manufacturers | Tyco Fire Products Lp (CAGE 03670) |
| Parameter | Value |
|---|---|
| NSN | 4820-01-271-0164 |
| Primary Part Number | 420869 AND 420365 |
| Item Name | Parts Kit,ball Valve |
| 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 |
|---|---|
| 420869 AND 420365 PRIMARY | Tyco Fire Products Lp (USA) |
| Reference | Meaning |
|---|---|
| 101-7285 AND 101-8195 | 5/9 Secondary reference Tyco Fire Products Lp |
| 501-0331 PC 3 AND 14 | 5/9 Secondary reference Tyco Fire Products Lp |
| 501-0331 | D/9 Drawing number reference only Tyco Fire Products Lp |
NSN 4820-01-271-0164 is a Parts Kit,ball Valve, manufactured by Tyco Fire Products Lp, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-271-0164 has 1 manufacturer part number on file: 420869 AND 420365 (Tyco Fire Products Lp).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-271-0169. 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.