Valve, Restrictor Check 4820-01-503-2457 NSN 4820-01-503-2457 · NIIN 015032457 · Part number 45271236
Hamworthy Inc. · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 0CBL5
NSN 4820-01-503-2457 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-503-2457. Manufacturer of record part number: 45271236 .
Also searched as
4820-01-503-2457 ·
4820015032457 ·
NIIN 015032457 ·
01-503-2457 ·
FSC 4820 Valves, Nonpowered · CAGE 0CBL5 · 45271236
Nearby stock numbers
← 4820-01-503-2452 Retainer, Disk, Valve
·
4820-01-503-2462 Regulator, Thermostatic Temperatu →
4820-01-503-2457 — Valves, Nonpowered
Features
Valve,restrictor Check — FSC 4820 1 manufacturer part number on file Manufacturer of record: Hamworthy Inc.
Identification
NSN: 4820-01-503-2457
NIIN: 015032457
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 45271236
Manufacturer: Hamworthy Inc.
General Description
The Valve,restrictor Check, cataloged under National Stock Number 4820-01-503-2457, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Hamworthy 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 4820-01-503-2457 Primary Part Number 45271236 Item Name Valve,restrictor Check FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Hamworthy 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
45271236 PRIMARY Hamworthy Inc. (USA)
Reference documents
Reference Meaning
45271236
C/1 Advisory reference — outside the item-of-supply concept Wartsila Water Systems Limited
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 4820-01-503-2457?
NSN 4820-01-503-2457 is a Valve,restrictor Check, manufactured by Hamworthy Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-503-2457?
NSN 4820-01-503-2457 has 1 manufacturer part number on file: 45271236 (Hamworthy Inc.).
What are the specifications of 45271236?
Key specifications for 45271236: End Item Identification: COMPRESSOR, JP5 FUELING. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-503-2457 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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