NSN 4820-00-443-9581 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-443-9581. Manufacturer of record part number: 1519.
Also searched as4820-00-443-9581 ·
4820004439581 ·
NIIN 004439581 ·
00-443-9581 ·
FSC 4820 Valves, Nonpowered · CAGE 13669 · 1519
Manufacturer of record: Tescom Corp Dba Tescom Div Tescom
Identification
NSN: 4820-00-443-9581
NIIN: 004439581
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 1519
Manufacturer: Tescom Corp Dba Tescom Div Tescom
General Description
The Diaphragm,valve,flat, cataloged under National Stock Number 4820-00-443-9581, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Tescom Corp Dba Tescom Div Tescom. Government technical data includes 5 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.
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 4820-00-443-9581?
NSN 4820-00-443-9581 is a Diaphragm,valve,flat, manufactured by Tescom Corp Dba Tescom Div Tescom, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-443-9581?
NSN 4820-00-443-9581 has 1 manufacturer part number on file: 1519 (Tescom Corp Dba Tescom Div Tescom).
What are the specifications of 1519?
Key specifications for 1519: Outside Diameter: 2.175 INCHES NOMINAL IN; Style Designator: FLAT; Material Thickness: 0.075 INCHES NOMINAL IN; Center Hole Diameter: 0.370 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-443-9581 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.