NSN 4820-01-285-8437 · NIIN 012858437 · Part number 51310E173
Dover Resources, Inc. Div Norriseal · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 1NB39
Government record, cited
NSN 4820-01-285-8437 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-285-8437. Manufacturer of record part number: 51310E173.
Also searched as4820-01-285-8437 ·
4820012858437 ·
NIIN 012858437 ·
01-285-8437 ·
FSC 4820 Valves, Nonpowered · CAGE 1NB39 · 51310E173
Pressure Rating: 200.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Outside Diameter: 4.000 INCHES NOMINAL IN
Style Designator: BUTTERFLY
Material: COPPER ALLOY
1 manufacturer part number on file
Manufacturer of record: Dover Resources, Inc. Div Norriseal
Identification
NSN: 4820-01-285-8437
NIIN: 012858437
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 51310E173
Manufacturer: Dover Resources, Inc. Div Norriseal
General Description
The Disk,valve, cataloged under National Stock Number 4820-01-285-8437, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Dover Resources, Inc. Div Norriseal. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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4820-00-000-0097 · Item name not on file
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4820-00-001-0020 · Item name not on file
4820-00-001-0021
4820-00-001-0021 · Item name not on file
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4820-00-001-0032 · Item name not on file
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VALVE,SAFETY RELIEF
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4820-00-001-0042 · Item name not on file
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4820-00-001-1230 · Item name not on file
Frequently Asked Questions
What is NSN 4820-01-285-8437?
NSN 4820-01-285-8437 is a Disk,valve, manufactured by Dover Resources, Inc. Div Norriseal, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-285-8437?
NSN 4820-01-285-8437 has 1 manufacturer part number on file: 51310E173 (Dover Resources, Inc. Div Norriseal).
What are the specifications of 51310E173?
Key specifications for 51310E173: Pressure Rating: 200.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS; Outside Diameter: 4.000 INCHES NOMINAL IN; Style Designator: BUTTERFLY; End Item Identification: NORRIS BUTTERFLY VALVE,M-SERIES. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-285-8437 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.