NSN 4820-00-446-2570 · NIIN 004462570 · Part number T520-5
Flair Corporation Dba S P X Air Treatment Div Dehydration · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 00819
Government record, cited
NSN 4820-00-446-2570 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-446-2570. Manufacturer of record part number: T520-5.
Also searched as4820-00-446-2570 ·
4820004462570 ·
NIIN 004462570 ·
00-446-2570 ·
FSC 4820 Valves, Nonpowered · CAGE 00819 · T520-5
Manufacturer of record: Flair Corporation Dba S P X Air Treatment Div Dehydration
Identification
NSN: 4820-00-446-2570
NIIN: 004462570
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: T520-5
Manufacturer: Flair Corporation Dba S P X Air Treatment Div Dehydration
General Description
The Disk,valve, cataloged under National Stock Number 4820-00-446-2570, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Flair Corporation Dba S P X Air Treatment Div Dehydration. 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-00-446-2570
Primary Part Number
T520-5
Item Name
Disk,valve
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Flair Corporation Dba S P X Air Treatment Div Dehydration
Flair Corporation Dba S P X Air Treatment Div Dehydration (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 4820-00-446-2570?
NSN 4820-00-446-2570 is a Disk,valve, manufactured by Flair Corporation Dba S P X Air Treatment Div Dehydration, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-446-2570?
NSN 4820-00-446-2570 has 1 manufacturer part number on file: T520-5 (Flair Corporation Dba S P X Air Treatment Div Dehydration).
What are the specifications of T520-5?
Key specifications for T520-5: Overall Height: 0.115 INCHES NOMINAL IN; Outside Diameter: 0.734 INCHES NOMINAL IN; Style Designator: PLAIN; Inside Diameter: 0.312 INCHES NOMINAL IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-446-2570 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.