NSN 4820-01-352-9497 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-352-9497. Manufacturer of record part number: B300-210-8/52.
Also searched as4820-01-352-9497 ·
4820013529497 ·
NIIN 013529497 ·
01-352-9497 ·
FSC 4820 Valves, Nonpowered · CAGE 33714 · B300-210-8/52
Nearby stock numbers← 4820-01-352-9347 Valve, Tee
·
4820-01-352-9668 →
4820-01-352-9497 — Valves, Nonpowered
Features
Seat,valve — FSC 4820
1 manufacturer part number on file
Manufacturer of record: Environmental Tectonics Corp
Identification
NSN: 4820-01-352-9497
NIIN: 013529497
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: B300-210-8/52
Manufacturer: Environmental Tectonics Corp
General Description
The Seat,valve, cataloged under National Stock Number 4820-01-352-9497, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Environmental Tectonics Corp. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
4820-00-001-0020
4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
4820-00-001-0032
4820-00-001-0032 · Item name not on file
4820-00-001-0037
VALVE,SAFETY RELIEF
4820-00-001-0042
4820-00-001-0042 · Item name not on file
4820-00-001-1230
4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-352-9497?
NSN 4820-01-352-9497 is a Seat,valve, manufactured by Environmental Tectonics Corp, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-352-9497?
NSN 4820-01-352-9497 has 1 manufacturer part number on file: B300-210-8/52 (Environmental Tectonics Corp).
What are the specifications of B300-210-8/52?
Key specifications for B300-210-8/52: Special Features: CARBON AND GRAPHITE COMPOSITION; 1.825 IN. DIA; 3-HOLES 0.250 IN. DIA DRILLED ON 1.125 IN. DIA BOLT CIRCLE; 0.250 IN. DEEP SLOT FROM CENTER TO BOLT CIRCLE IN; End Item Identification: 6530-00-926-2151. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-352-9497 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.