PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

084333Seat,valve

Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. · NSN 4820-01-021-9300 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-021-9300 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-021-9300. Primary manufacturer part number: 084333.
Features
  • Seat,valve — FSC 4820
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • Seating Surface Shape: FLAT
  • Style Designator: PLAIN
  • Body Inside Diameter: 3.000 INCHES NOMINAL IN
  • Body Outside Diameter: 3.747 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Polytetrafluoroethylene Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-021-9300, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-021-9300
Primary Part Number084333
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCrane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
StatusACTIVE
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Seating Surface ShapeFLAT
Style DesignatorPLAIN
Body Inside Diameter3.000 INCHES NOMINAL IN
Body Outside Diameter3.747 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5999-00-469-496610280876-2 INTERCHANGEABLE
Shielding Gasket,electronic
Us Army Aviation and Missile Command
5930-00-655-1575 INTERCHANGEABLE
Switch,toggle
5340-00-680-8617 INTERCHANGEABLE
Hinge,butt
6150-00-943-2263 INTERCHANGEABLE
Cable Assembly,special Purpose,e
5999-01-082-1649 INTERCHANGEABLE
Heat Sink,electrical-Electronic
4730-01-357-9591 INTERCHANGEABLE
Coupling,pipe
Cross-Reference Index
Part NumberManufacturer
59220 Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
084333 PRIMARY Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp. (USA)
Related Parts
5999-00-469-4966INTERCHANGEABLE
SHIELDING GASKET,ELECTRONIC
10280876-2
5930-00-655-1575INTERCHANGEABLE
SWITCH,TOGGLE
5340-00-680-8617INTERCHANGEABLE
HINGE,BUTT
6150-00-943-2263INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5999-01-082-1649INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
4730-01-357-9591INTERCHANGEABLE
COUPLING,PIPE

Frequently Asked Questions

What is NSN 4820-01-021-9300?

NSN 4820-01-021-9300 is a Seat,valve, manufactured by Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-021-9300?

NSN 4820-01-021-9300 has 2 cross-referenced part numbers: 59220 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.), 084333 (Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.).

What NSN replaces 4820-01-021-9300?

There are 6 known substitutes for 4820-01-021-9300: 5999-00-469-4966, 5930-00-655-1575, 5340-00-680-8617 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 084333?

Key specifications for 084333: Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL; Overall Height: 0.330 INCHES NOMINAL IN; Seating Surface Shape: FLAT; Style Designator: PLAIN. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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