NSN 4820-01-433-7148 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-433-7148. Manufacturer of record part number: SA-5D20-1020069.
Pressure Rating: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS
Temp Rating: 160.0 FAHRENHEIT MAXIMUM DEGF
Media for Which Designed: WATER
1 manufacturer part number on file
Manufacturer of record: Watts Regulator Company
Identification
NSN: 4820-01-433-7148
NIIN: 014337148
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: SA-5D20-1020069
Manufacturer: Watts Regulator Company
General Description
The Diaphragm,valve,flat, cataloged under National Stock Number 4820-01-433-7148, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Watts Regulator Company. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
C/1Advisory reference — outside the item-of-supply concept
Watts Regulator Company
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 4820-01-433-7148?
NSN 4820-01-433-7148 is a Diaphragm,valve,flat, manufactured by Watts Regulator Company, classified under FSC 4820, Valves, Nonpowered. Status: active.
What part numbers are listed for NSN 4820-01-433-7148?
NSN 4820-01-433-7148 has 1 manufacturer part number on file: SA-5D20-1020069 (Watts Regulator Company).
What are the specifications of SA-5D20-1020069?
Key specifications for SA-5D20-1020069: Pressure Rating: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS; Temp Rating: 160.0 FAHRENHEIT MAXIMUM DEGF; Media for Which Designed: WATER; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 3 specifications are documented in the U.S. Government catalog.
Is NSN 4820-01-433-7148 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.