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NSN 4820-01-453-3789Government record, cited

Valve, Butterfly4820-01-453-3789

NSN 4820-01-453-3789 · NIIN 014533789 · Part number 10R2030-44AA-1A
Dover Resources, Inc. Div Norriseal · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 1NB39
Government record, cited
NSN 4820-01-453-3789 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-453-3789. Manufacturer of record part number: 10R2030-44AA-1A.
Also searched as  4820-01-453-3789 · 4820014533789 · NIIN 014533789 · 01-453-3789 · FSC 4820 Valves, Nonpowered · CAGE 1NB39 · 10R2030-44AA-1A
Nearby stock numbers  ·
Features
  • Valve,butterfly — FSC 4820
  • Style Designator: STRAIGHT THRU
  • Valve Size: 10.000 INCHES IN
  • Material: COPPER ALLOY BODY
  • Valve Operation Method: MANUAL
  • 1 manufacturer part number on file
  • Manufacturer of record: Dover Resources, Inc. Div Norriseal
Identification
  • NSN: 4820-01-453-3789
  • NIIN: 014533789
  • FSC: 4820 — Valves, Nonpowered
  • FSG: 48 — Valves
  • Primary part number: 10R2030-44AA-1A
  • Manufacturer: Dover Resources, Inc. Div Norriseal
General Description

The Valve,butterfly, cataloged under National Stock Number 4820-01-453-3789, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Technical Specifications
ParameterValue
NSN4820-01-453-3789
Primary Part Number10R2030-44AA-1A
Item NameValve,butterfly
FSC / FSG4820 / 48 — Valves, Nonpowered
ManufacturerDover Resources, Inc. Div Norriseal
StatusACTIVE
Style DesignatorSTRAIGHT THRU
Valve Size10.000 INCHES IN
MaterialCOPPER ALLOY BODY
Valve Operation MethodMANUAL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
10R2030-44AA-1A PRIMARY Dover Resources, Inc. Div Norriseal (USA)
Reference documents
ReferenceMeaning
10R2030-44AA-1A 5/9 Secondary reference
U.S. Government activity
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
Related Parts in Valves
4820-00-000-0097
4820-00-000-0097 · Item name not on file
4820-00-001-0010
VALVE,ROTARY,SELECTOR
8171E-1/4HS2
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
D559A3M2
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 4820-01-453-3789?

NSN 4820-01-453-3789 is a Valve,butterfly, manufactured by Dover Resources, Inc. Div Norriseal, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-453-3789?

NSN 4820-01-453-3789 has 1 manufacturer part number on file: 10R2030-44AA-1A (Dover Resources, Inc. Div Norriseal).

What are the specifications of 10R2030-44AA-1A?

Key specifications for 10R2030-44AA-1A: Style Designator: STRAIGHT THRU; Valve Size: 10.000 INCHES IN; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS; Material: COPPER ALLOY BODY. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-453-3789 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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