Seat, Valve 4820-01-239-0053 NSN 4820-01-239-0053 · NIIN 012390053 · Part number D21001
Hunt Valve Company, Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 11859
NSN 4820-01-239-0053 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-239-0053. Manufacturer of record part number: D21001 .
Also searched as
4820-01-239-0053 ·
4820012390053 ·
NIIN 012390053 ·
01-239-0053 ·
FSC 4820 Valves, Nonpowered · CAGE 11859 · D21001 · AA45024 PIECE 7 · AA45024 PIECE 7
Nearby stock numbers
← 4820-01-239-0041
·
4820-01-239-0074 →
4820-01-239-0053 — Valves, Nonpowered
Features
Seat,valve — FSC 4820 2 manufacturer part numbers on file Manufacturer of record: Hunt Valve Company, Inc.
Identification
NSN: 4820-01-239-0053
NIIN: 012390053
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: D21001
Manufacturer: Hunt Valve Company, Inc.
General Description
The Seat,valve, cataloged under National Stock Number 4820-01-239-0053, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 Hunt Valve Company, Inc. (CAGE 11859)
Technical Specifications
Parameter Value NSN 4820-01-239-0053 Primary Part Number D21001 Item Name Seat,valve 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)
Cross-Reference Index
Part Number Manufacturer
D21001 PRIMARY Hunt Valve Company, Inc. (USA)
AA45024 PIECE 7 Hunt Valve Company, Inc. (USA)
Reference documents
Reference Meaning
D21001
3/9 Design control — primary reference Hunt Valve Company Inc Dba Union Flonetics
AA45024 PIECE 7
5/9 Secondary reference Hunt Valve Company Inc Dba Union Flonetics
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 4820-01-239-0053?
NSN 4820-01-239-0053 is a Seat,valve, manufactured by Hunt Valve Company, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-239-0053?
NSN 4820-01-239-0053 has 2 manufacturer part numbers on file: D21001 (Hunt Valve Company, Inc.), AA45024 PIECE 7 (Hunt Valve Company, Inc.).
Is NSN 4820-01-239-0053 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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