Seat, Valve 4820-01-309-0831 NSN 4820-01-309-0831 · NIIN 013090831 · Part number H46276
Defense Maritime Solutions, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0EYA6
NSN 4820-01-309-0831 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-309-0831. Manufacturer of record part number: H46276 .
Also searched as
4820-01-309-0831 ·
4820013090831 ·
NIIN 013090831 ·
01-309-0831 ·
FSC 4820 Valves, Nonpowered · CAGE 0EYA6 · H46276 · H-46276 · H-46276 · US-70610 ITEM 27 · US-70610 ITEM 27
Nearby stock numbers
← 4820-01-309-0830 Seat, Valve
·
4820-01-309-0851 Cap, Valve →
4820-01-309-0831 — Valves, Nonpowered
Features
Seat,valve — FSC 4820 1 manufacturer part number on file Manufacturer of record: Defense Maritime Solutions, Inc.
Identification
NSN: 4820-01-309-0831
NIIN: 013090831
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: H46276
Manufacturer: Defense Maritime Solutions, Inc.
General Description
The Seat,valve, cataloged under National Stock Number 4820-01-309-0831, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Defense Maritime Solutions, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name Seat,valve FSC / FSG 4820 — Valves, Nonpowered (FSG 48) Manufacturers Defense Maritime Solutions, Inc. (CAGE 0EYA6)
Technical Specifications
Parameter Value NSN 4820-01-309-0831 Primary Part Number H46276 Item Name Seat,valve FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Defense Maritime Solutions, 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)
Cross-Reference Index
Part Number Manufacturer
H46276 PRIMARY Defense Maritime Solutions, Inc. (USA)
Reference documents
Reference Meaning
H-46276
5/9 Secondary reference John Crane, Inc
H-46276
5/9 Secondary reference Wartsila Lips Inc
US-70610 ITEM 27
5/9 Secondary reference Wartsila Lips Inc
US-70610 ITEM 27
5/9 Secondary reference John Crane, Inc
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 4820-01-309-0831?
NSN 4820-01-309-0831 is a Seat,valve, manufactured by Defense Maritime Solutions, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-309-0831?
NSN 4820-01-309-0831 has 1 manufacturer part number on file: H46276 (Defense Maritime Solutions, Inc.).
Is NSN 4820-01-309-0831 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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