NSN 4820-01-645-0997 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-645-0997. Manufacturer of record part number: S35DZ3.
Operating Pressure: 450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size: 0.500 INCHES IN
Maximum Operating Temp: 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
Surface Treatment: CHROMATE
Face to Face Distance: 2.125 INCHES IN
Material: COPPER ALLOY OVERALL
Material: PLASTIC POLYTETRAFLUOROETHYLENE SEAT
Identification
NSN: 4820-01-645-0997
NIIN: 016450997
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: S35DZ3
Manufacturer: Rub Incorporated
General Description
The Valve,ball, cataloged under National Stock Number 4820-01-645-0997, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Rub Incorporated. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
4820-01-645-0997
Primary Part Number
S35DZ3
Item Name
Valve,ball
FSC / FSG
4820 / 48 — Valves, Nonpowered
Manufacturer
Rub Incorporated
Status
ACTIVE
Operating Pressure
450.0 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 4820-01-645-0997?
NSN 4820-01-645-0997 is a Valve,ball, manufactured by Rub Incorporated, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-645-0997?
NSN 4820-01-645-0997 has 2 manufacturer part numbers on file: 4912K54 (Mcmaster-Carr Supply Co), S35DZ3 (Rub Incorporated).
What are the specifications of S35DZ3?
Key specifications for S35DZ3: Operating Pressure: 450.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Valve Size: 0.500 INCHES IN; Maximum Operating Temp: 200.0 FAHRENHEIT SINGLE RESPONSE DEGF; Surface Treatment: CHROMATE. 8 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-645-0997 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.