PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6" M1011-222B1AValve,butterfly

Dover Resources, Inc. Div Norriseal · NSN 4820-01-301-4245 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-301-4245 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-301-4245. Primary manufacturer part number: 6" M1011-222B1A.
Features
  • Valve,butterfly — FSC 4820
  • Material: IRON ALLOY BODY
  • Material: STEEL COMP 316 FLOW CONTROL DEVICE
  • Material Document and Classification: ASTM A395, 60-40-18 ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Valve Size: 6.000 INCHES IN
  • Mounting Facility: WAFER
  • Material Document and Classification: ASTM A296, CF-8M ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
  • Material Document and Classification: ASTM A296, CF-8M ASSN STD SINGLE MATERIAL RESPONSE SEAT
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Iron Alloy Body construction
General Description

The Valve,butterfly, cataloged under National Stock Number 4820-01-301-4245, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dover Resources, Inc. Div Norriseal. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-301-4245
Primary Part Number6" M1011-222B1A
Item NameValve,butterfly
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDover Resources, Inc. Div Norriseal
StatusACTIVE
MaterialIRON ALLOY BODY
MaterialSTEEL COMP 316 FLOW CONTROL DEVICE
Material Document and ClassificationASTM A395, 60-40-18 ASSN STD SINGLE MATERIAL RESPONSE BODY
Valve Size6.000 INCHES IN
Mounting FacilityWAFER
Material Document and ClassificationASTM A296, CF-8M ASSN STD SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
Material Document and ClassificationASTM A296, CF-8M ASSN STD SINGLE MATERIAL RESPONSE SEAT
Style DesignatorSTRAIGHT THRU
MaterialSTEEL COMP 316 SEAT
Valve Operation MethodMANUAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
1650-00-761-134221-10349 INTERCHANGEABLE
Filter Element,fluid
Pti Technologies Inc.
6220-00-897-5862920109 INTERCHANGEABLE
Lens,light
Betts Industries, Inc.
5330-01-147-1121920109 INTERCHANGEABLE
Parts Kit,seal Replacement,mecha
Eaton Aerospace, Llc Dba Jackson South
5315-01-462-8389 INTERCHANGEABLE
Pin,straight,headless
Cross-Reference Index
Part NumberManufacturer
6" M1011-222B Norriseal Norris Values Div Dba Dover Co (USA)
920-109-6.00IPS Dover Resources, Inc. Div Norriseal (USA)
6" M1011-222B1A PRIMARY Dover Resources, Inc. Div Norriseal (USA)
920-109-6.00IPS Norriseal Norris Values Div Dba Dover Co (USA)
6" M1011-222B Dover Resources, Inc. Div Norriseal (USA)
920-109 Norriseal Norris Values Div Dba Dover Co (USA)
Related Parts
1650-00-761-1342INTERCHANGEABLE
FILTER ELEMENT,FLUID
21-10349
6220-00-897-5862INTERCHANGEABLE
LENS,LIGHT
920109
5330-01-147-1121INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
920109
5315-01-462-8389INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS

Frequently Asked Questions

What is NSN 4820-01-301-4245?

NSN 4820-01-301-4245 is a Valve,butterfly, manufactured by Dover Resources, Inc. Div Norriseal, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-301-4245?

NSN 4820-01-301-4245 has 6 cross-referenced part numbers: 6" M1011-222B (Norriseal Norris Values Div Dba Dover Co), 920-109-6.00IPS (Dover Resources, Inc. Div Norriseal), 6" M1011-222B1A (Dover Resources, Inc. Div Norriseal), 920-109-6.00IPS (Norriseal Norris Values Div Dba Dover Co), 6" M1011-222B (Dover Resources, Inc. Div Norriseal) and 1 more.

What NSN replaces 4820-01-301-4245?

There are 4 known substitutes for 4820-01-301-4245: 1650-00-761-1342, 6220-00-897-5862, 5330-01-147-1121 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6" M1011-222B1A?

Key specifications for 6" M1011-222B1A: Material: IRON ALLOY BODY; Material: STEEL COMP 316 FLOW CONTROL DEVICE; Material Document and Classification: ASTM A395, 60-40-18 ASSN STD SINGLE MATERIAL RESPONSE BODY; Valve Size: 6.000 INCHES IN. 10 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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