Valve, Safety Relief 4820-00-494-9404 NSN 4820-00-494-9404 · NIIN 004949404 · Part number 511R45373
Frick Co · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 23587
NSN 4820-00-494-9404 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-494-9404. Manufacturer of record part number: 511R45373 .
Also searched as
4820-00-494-9404 ·
4820004949404 ·
NIIN 004949404 ·
00-494-9404 ·
FSC 4820 Valves, Nonpowered · CAGE 23587 · 511R45373
Nearby stock numbers
← 4820-00-494-9403
·
4820-00-494-9405 →
4820-00-494-9404 — Valves, Nonpowered
Features
Valve,safety Relief — FSC 4820 Valve Operation Method: AUTOMATIC 1 manufacturer part number on file Manufacturer of record: Frick Co
Identification
NSN: 4820-00-494-9404
NIIN: 004949404
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 511R45373
Manufacturer: Frick Co
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-00-494-9404, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Frick Co. Government technical data includes 1 specification, 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. Current acquisition status: Active.
Technical Specifications
Parameter Value NSN 4820-00-494-9404 Primary Part Number 511R45373 Item Name Valve,safety Relief FSC / FSG 4820 / 48 — Valves, Nonpowered Manufacturer Frick Co Status ACTIVE Valve Operation Method AUTOMATIC
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
511R45373 PRIMARY Frick Co (USA)
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 4820-00-494-9404?
NSN 4820-00-494-9404 is a Valve,safety Relief, manufactured by Frick Co, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-494-9404?
NSN 4820-00-494-9404 has 1 manufacturer part number on file: 511R45373 (Frick Co).
What are the specifications of 511R45373?
Key specifications for 511R45373: Valve Operation Method: AUTOMATIC. 1 specification is documented in the U.S. Government catalog.
Is NSN 4820-00-494-9404 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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