NSN 4820-00-718-6979 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-718-6979. Manufacturer of record part number: H0321ASSYV.
Also searched as4820-00-718-6979 ·
4820007186979 ·
NIIN 007186979 ·
00-718-6979 ·
FSC 4820 Valves, Nonpowered · CAGE 53154 · H0321ASSYV
Connection Type: UNTHREADED INTERNAL TUBE FIRST END
Connection Type: UNTHREADED INTERNAL TUBE SECOND END
Style Designator: STRAIGHT THRU
Nominal Outside Diameter Tube Accommodated: 1.000 INCHES SECOND END IN
Nominal Outside Diameter Tube Accommodated: 1.000 INCHES FIRST END IN
Operating Pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which Designed: WATER, SALT SINGLE RESPONSE
Identification
NSN: 4820-00-718-6979
NIIN: 007186979
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: H0321ASSYV
Manufacturer: Portland Valve Llc
General Description
The Valve,ball, cataloged under National Stock Number 4820-00-718-6979, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Portland Valve Llc. Government technical data includes 8 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
4820-00-718-6979
Primary Part Number
H0321ASSYV
Item Name
Valve,ball
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Portland Valve Llc
Status
ACTIVE
Connection Type
UNTHREADED INTERNAL TUBE FIRST END
Connection Type
UNTHREADED INTERNAL TUBE SECOND END
Style Designator
STRAIGHT THRU
Nominal Outside Diameter Tube Accommodated
1.000 INCHES SECOND END IN
Nominal Outside Diameter Tube Accommodated
1.000 INCHES FIRST END IN
Operating Pressure
3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
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 4820-00-718-6979?
NSN 4820-00-718-6979 is a Valve,ball, manufactured by Portland Valve Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-00-718-6979?
NSN 4820-00-718-6979 has 1 manufacturer part number on file: H0321ASSYV (Portland Valve Llc).
What are the specifications of H0321ASSYV?
Key specifications for H0321ASSYV: Connection Type: UNTHREADED INTERNAL TUBE FIRST END; Connection Type: UNTHREADED INTERNAL TUBE SECOND END; Style Designator: STRAIGHT THRU; Nominal Outside Diameter Tube Accommodated: 1.000 INCHES SECOND END IN. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4820-00-718-6979 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.