PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

80331CSeat,valve

Griswold Industries Dba Cla-Val Co · NSN 4820-01-313-9436 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-313-9436 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-313-9436. Primary manufacturer part number: 80331C.
Features
  • Seat,valve — FSC 4820
  • Style Designator: PLAIN
  • Seating Surface Shape: FLAT
  • 4 verified cross-references
  • Primary manufacturer: Griswold Industries Dba Cla-Val Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-313-9436, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Griswold Industries Dba Cla-Val Co. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-313-9436
Primary Part Number80331C
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
Style DesignatorPLAIN
Seating Surface ShapeFLAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5930-01-173-9029 INTERCHANGEABLE
Bar,actuator,electrical Switch
3040-01-307-376384498 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
4820-01-313-542980345 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Griswold Industries Dba Cla-Val Co
4820-01-313-544780332A INTERCHANGEABLE
Stem,fluid Valve
Griswold Industries Dba Cla-Val Co
4820-01-313-546580333J INTERCHANGEABLE
Piston,valve
Griswold Industries Dba Cla-Val Co
Cross-Reference Index
Part NumberManufacturer
84498 ITEM 21 Griswold Industries Dba Cla-Val Co (USA)
84498 Griswold Industries Dba Cla-Val Co (USA)
80331C PRIMARY Griswold Industries Dba Cla-Val Co (USA)
PL-80345C REF .21 Griswold Industries Dba Cla-Val Co (USA)
Related Parts
5930-01-173-9029INTERCHANGEABLE
BAR,ACTUATOR,ELECTRICAL SWITCH
3040-01-307-3763INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
84498
4820-01-313-5429INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
80345
4820-01-313-5447INTERCHANGEABLE
STEM,FLUID VALVE
80332A
4820-01-313-5465INTERCHANGEABLE
PISTON,VALVE
80333J

Frequently Asked Questions

What is NSN 4820-01-313-9436?

NSN 4820-01-313-9436 is a Seat,valve, manufactured by Griswold Industries Dba Cla-Val Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-313-9436?

NSN 4820-01-313-9436 has 4 cross-referenced part numbers: 84498 ITEM 21 (Griswold Industries Dba Cla-Val Co), 84498 (Griswold Industries Dba Cla-Val Co), 80331C (Griswold Industries Dba Cla-Val Co), PL-80345C REF .21 (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-01-313-9436?

There are 5 known substitutes for 4820-01-313-9436: 5930-01-173-9029, 3040-01-307-3763, 4820-01-313-5429 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 80331C?

Key specifications for 80331C: Style Designator: PLAIN; Seating Surface Shape: FLAT. 2 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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