PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16870-2Disk,valve

Norriseal Norris Values Div Dba Dover Co · NSN 4820-01-193-3630 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-193-3630 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-193-3630. Primary manufacturer part number: 16870-2.
Features
  • Disk,valve — FSC 4820
  • Outside Diameter: 16.000 INCHES NOMINAL IN
  • Style Designator: BUTTERFLY
  • Material: NICKEL ALLOY
  • 5 verified cross-references
  • Primary manufacturer: Norriseal Norris Values Div Dba Dover Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-193-3630, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Norriseal Norris Values Div Dba Dover Co. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-193-3630
Primary Part Number16870-2
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNorriseal Norris Values Div Dba Dover Co
StatusACTIVE
Outside Diameter16.000 INCHES NOMINAL IN
Style DesignatorBUTTERFLY
MaterialNICKEL ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5330-00-262-9350900085 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Hydraulic Filter Division Div Hydraulic & Fuel Filter Division
5935-00-557-968533-5270-1 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corporation Div Amphenol Rf
5330-01-085-4907168702 INTERCHANGEABLE
Gasket
Hdt Expeditionary Systems Inc
5340-01-175-6033900085 INTERCHANGEABLE
Cup,compression
W.f. Wells, Inc.
6130-01-286-1948SM-D-993181 INTERCHANGEABLE
Charger,battery
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
8430-01-606-26719000-8.5 INTERCHANGEABLE
Boots,combat
Ridge Outdoors Usa Inc
5340-01-615-6373900085 INTERCHANGEABLE
Cap-Plug Set,protective,dust and
Tim Price Inc. Dba Tim Price Inc
6150-01-625-5328900085 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Atlantic Signal Llc
4320-01-721-3196900085 INTERCHANGEABLE
Valve Head,hydraulic Motor-Pump
Parker-Hannifin Corporation Dba Pneutronics Div Tube Fittings Division
5310-01-736-1597900085 INTERCHANGEABLE
Washer,flat
Buckeye Fire Equipment Co
Cross-Reference Index
Part NumberManufacturer
16870-2 Norriseal Norris Values Div Dba Dover Co (USA)
16870-2 Dover Resources, Inc. Div Norriseal (USA)
900-085 PART 16870-2 Norriseal Norris Values Div Dba Dover Co (USA)
900-085 PART 16870-2 Dover Resources, Inc. Div Norriseal (USA)
900-085 Norriseal Norris Values Div Dba Dover Co (USA)
Related Parts
5330-00-262-9350INTERCHANGEABLE
GASKET
900085
5935-00-557-9685INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
33-5270-1
5330-01-085-4907INTERCHANGEABLE
GASKET
168702
5340-01-175-6033INTERCHANGEABLE
CUP,COMPRESSION
900085
6130-01-286-1948INTERCHANGEABLE
CHARGER,BATTERY
SM-D-993181
8430-01-606-2671INTERCHANGEABLE
BOOTS,COMBAT
9000-8.5
5340-01-615-6373INTERCHANGEABLE
CAP-PLUG SET,PROTECTIVE,DUST AND
900085
6150-01-625-5328INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
900085
4320-01-721-3196INTERCHANGEABLE
VALVE HEAD,HYDRAULIC MOTOR-PUMP
900085
5310-01-736-1597INTERCHANGEABLE
WASHER,FLAT
900085

Frequently Asked Questions

What is NSN 4820-01-193-3630?

NSN 4820-01-193-3630 is a Disk,valve, manufactured by Norriseal Norris Values Div Dba Dover Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-193-3630?

NSN 4820-01-193-3630 has 5 cross-referenced part numbers: 16870-2 (Norriseal Norris Values Div Dba Dover Co), 16870-2 (Dover Resources, Inc. Div Norriseal), 900-085 PART 16870-2 (Norriseal Norris Values Div Dba Dover Co), 900-085 PART 16870-2 (Dover Resources, Inc. Div Norriseal), 900-085 (Norriseal Norris Values Div Dba Dover Co).

What NSN replaces 4820-01-193-3630?

There are 10 known substitutes for 4820-01-193-3630: 5330-00-262-9350, 5935-00-557-9685, 5330-01-085-4907 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16870-2?

Key specifications for 16870-2: Outside Diameter: 16.000 INCHES NOMINAL IN; Style Designator: BUTTERFLY; Material: NICKEL ALLOY. 3 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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