NSN 4820-01-397-5417 · NIIN 013975417 · Part number 2852-0099-3
Mission Systems Orchard Park Inc · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 04577
Government record, cited
NSN 4820-01-397-5417 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-397-5417. Manufacturer of record part number: 2852-0099-3.
Nearby stock numbers← 4820-01-397-5411 Head and Disk, Safety, Pressure Re
·
4820-01-397-5418 Parts Kit, Valve →
4820-01-397-5417 — Valves, Nonpowered
Features
Seat,valve — FSC 4820
Material: ELASTOMER FLUOROCARBON SEAT
2 manufacturer part numbers on file
Manufacturer of record: Mission Systems Orchard Park Inc
Identification
NSN: 4820-01-397-5417
NIIN: 013975417
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 2852-0099-3
Manufacturer: Mission Systems Orchard Park Inc
General Description
The Seat,valve, cataloged under National Stock Number 4820-01-397-5417, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Mission Systems Orchard Park Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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
4820-01-397-5417
Primary Part Number
2852-0099-3
Item Name
Seat,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Mission Systems Orchard Park Inc
Status
ACTIVE
Material
ELASTOMER FLUOROCARBON SEAT
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 Items7
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4820-01-529-8191POSSIBLE MATCH
VALVE,REGULATING,FLUID PRESSURE
Possible match (shared part number)
4820-01-529-81947550478-2852200111A-7POSSIBLE MATCH
SEAT,VALVE
Possible match (shared part number)Naval Sea Systems Command
5360-01-529-8199POSSIBLE MATCH
SPRING,HELICAL,COMPRESSION
Possible match (shared part number)
4820-01-529-8204POSSIBLE MATCH
VALVE,REGULATING,SYSTEM PRESSURE
Possible match (shared part number)
4820-01-542-44752852-2001-11POSSIBLE MATCH
VALVE,REGULATING,FLUID PRESSURE
Possible match (shared part number)Mission Systems Orchard Park Inc
NSN 4820-01-397-5417 is a Seat,valve, manufactured by Mission Systems Orchard Park Inc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-397-5417?
NSN 4820-01-397-5417 has 2 manufacturer part numbers on file: 2852-2001-11-7 (Mission Systems Orchard Park Inc), 2852-0099-3 (Mission Systems Orchard Park Inc).
What NSN replaces 4820-01-397-5417?
7 possible matches (shared part number, not a government interchangeability claim): 4820-01-529-8191, 4820-01-529-8194, 5360-01-529-8199. Verify interchangeability with system specifications before substitution.
What are the specifications of 2852-0099-3?
Key specifications for 2852-0099-3: Material: ELASTOMER FLUOROCARBON SEAT. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-01-397-5417 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.