NSN 4820-01-322-3999 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-322-3999. Manufacturer of record part number: VC-250T-2.00IN.
Also searched as4820-01-322-3999 ·
4820013223999 ·
NIIN 013223999 ·
01-322-3999 ·
FSC 4820 Valves, Nonpowered · CAGE 73124 · VC-250T-2.00IN
Style Designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
Material: STEEL BODY
Material: COPPER FLOW CONTROL DEVICE
Valve Operation Method: AUTOMATIC
1 manufacturer part number on file
Identification
NSN: 4820-01-322-3999
NIIN: 013223999
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: VC-250T-2.00IN
Manufacturer: Haywardindl. Products, Inc.
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-322-3999, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Haywardindl. Products, Inc.. Government technical data includes 6 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
4820-01-322-3999
Primary Part Number
VC-250T-2.00IN
Item Name
Valve,safety Relief
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Haywardindl. Products, Inc.
Status
ACTIVE
Flow Control Device
BALL
Connection Type
THREADED INTERNAL PIPE FIRST END
Style Designator
STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.
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 4820-01-322-3999?
NSN 4820-01-322-3999 is a Valve,safety Relief, manufactured by Haywardindl. Products, Inc., classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-322-3999?
NSN 4820-01-322-3999 has 1 manufacturer part number on file: VC-250T-2.00IN (Haywardindl. Products, Inc.).
What are the specifications of VC-250T-2.00IN?
Key specifications for VC-250T-2.00IN: Flow Control Device: BALL; Connection Type: THREADED INTERNAL PIPE FIRST END; Style Designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF ONE SECTION ONLY.; Special Features: BALL FLOAT. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-322-3999 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.