Ring Seat 4820-01-562-0756 NSN 4820-01-562-0756 · NIIN 015620756 · Part number 999-80-2.5-18
Hunt Valve Company, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 11859
NSN 4820-01-562-0756 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-562-0756. Manufacturer of record part number: 999-80-2.5-18 .
Also searched as
4820-01-562-0756 ·
4820015620756 ·
NIIN 015620756 ·
01-562-0756 ·
FSC 4820 Valves, Nonpowered · CAGE 11859 · 999-80-2.5-18
Nearby stock numbers
← 4820-01-562-0753 Seat, Valve
·
4820-01-562-0761 Valve, Counterblc →
4820-01-562-0756 — Valves, Nonpowered
Features
Ring Seat — FSC 4820 1 manufacturer part number on file Manufacturer of record: Hunt Valve Company, Inc.
Identification
NSN: 4820-01-562-0756
NIIN: 015620756
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 999-80-2.5-18
Manufacturer: Hunt Valve Company, Inc.
General Description
The Ring Seat, cataloged under National Stock Number 4820-01-562-0756, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hunt Valve Company, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter Value NSN 4820-01-562-0756 Primary Part Number 999-80-2.5-18 Item Name Ring Seat FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Hunt Valve Company, Inc. Status ACTIVE
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
Cross-Reference Index
Part Number Manufacturer
999-80-2.5-18 PRIMARY Hunt Valve Company, Inc. (USA)
Reference documents
Reference Meaning
999-80-2.5-18
3/9 Design control — primary reference Pima Valve, Llc
No interchangeability data on file.
Other items in FSC 4820 — Valves, Nonpowered
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 4820-01-562-0756?
NSN 4820-01-562-0756 is a Ring Seat, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-562-0756?
NSN 4820-01-562-0756 has 1 manufacturer part number on file: 999-80-2.5-18 (Hunt Valve Company, Inc.).
What are the specifications of 999-80-2.5-18?
Key specifications for 999-80-2.5-18: End Item Identification: NSC-420(WMSL-750). 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-562-0756 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.
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