NSN 4820-01-370-4897 · NIIN 013704897 · Part number 8190 PC 6
William E Williams Valve Corp · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 79342
Government record, cited
NSN 4820-01-370-4897 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-370-4897. Manufacturer of record part number: 8190 PC 6.
Also searched as4820-01-370-4897 ·
4820013704897 ·
NIIN 013704897 ·
01-370-4897 ·
FSC 4820 Valves, Nonpowered · CAGE 79342 · 8190 PC 6 · 8190
Manufacturer of record: William E Williams Valve Corp
Identification
NSN: 4820-01-370-4897
NIIN: 013704897
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 8190 PC 6
Manufacturer: William E Williams Valve Corp
General Description
The Seat,valve, cataloged under National Stock Number 4820-01-370-4897, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is William E Williams Valve Corp. Government technical data includes 1 specification, 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. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-370-4897
Primary Part Number
8190 PC 6
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
William E Williams Valve Corp
Status
ACTIVE
Material
STEEL OVERALL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-370-82358190 PC 3POSSIBLE MATCH
DISK,VALVE
Possible match (shared part number)William E Williams Valve Corp
5330-01-382-99078190POSSIBLE MATCH
SEAL,PLAIN
Possible match (shared part number)Alfa Laval Inc
3110-01-396-18128190POSSIBLE MATCH
BEARING,ROLLER,TAPERED
Possible match (shared part number)Karl Senner, L.l.c. Dba Karl Senner Inc
5940-01-586-44118190POSSIBLE MATCH
TERMINAL,LUG
Possible match (shared part number)Keystone Electronics Corp
NSN 4820-01-370-4897 is a Seat,valve, manufactured by William E Williams Valve Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-370-4897?
NSN 4820-01-370-4897 has 2 manufacturer part numbers on file: 8190 (William E Williams Valve Corp), 8190 PC 6 (William E Williams Valve Corp).
What NSN replaces 4820-01-370-4897?
4 possible matches (shared part number, not a government interchangeability claim): 4820-01-370-8235, 5330-01-382-9907, 3110-01-396-1812. Verify interchangeability with system specifications before substitution.
What are the specifications of 8190 PC 6?
Key specifications for 8190 PC 6: Material: STEEL OVERALL. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-370-4897 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.