PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9015-007-033-SSeat,valve

Velan Valve Corp. · NSN 4820-01-466-4158 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-466-4158 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-466-4158. Primary manufacturer part number: 9015-007-033-S.
Features
  • Seat,valve — FSC 4820
  • Seating Surface Shape: ANGULAR
  • Material: STEEL OVERALL
  • Style Designator: PLAIN
  • Seat Angle in Deg: 0.067 MAXIMUM
  • Body Inside Diameter: 0.821 INCHES MAXIMUM IN
  • Body Outside Diameter: 1.963 INCHES MAXIMUM IN
  • 3 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-466-4158, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Velan Valve Corp.. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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
NSN4820-01-466-4158
Primary Part Number9015-007-033-S
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVelan Valve Corp.
StatusACTIVE
Seating Surface ShapeANGULAR
MaterialSTEEL OVERALL
Style DesignatorPLAIN
Seat Angle in Deg0.067 MAXIMUM
Body Inside Diameter0.821 INCHES MAXIMUM IN
Body Outside Diameter1.963 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4730-00-279-2435835-015 INTERCHANGEABLE
Coupling,pipe
Nibco Inc Chemtrol Div
4820-00-862-5033 INTERCHANGEABLE
Valve,gate
4820-01-156-71639015-007-148 INTERCHANGEABLE
Seat,valve
Velan Valve Corp.
4820-01-237-28918995-005-031-S INTERCHANGEABLE
Disk,valve
Velan Valve Corp.
4730-01-251-09873835-015 INTERCHANGEABLE
Coupling,pipe
Ryan Herco Products Corp
4820-01-253-35668350-15 ITEM 8 INTERCHANGEABLE
Stem,fluid Valve
Velan Valve Corp.
4820-01-266-3630B12-2054P-02TSG INTERCHANGEABLE
Valve,gate
Velan Valve Corp.
4820-01-461-05609015-007-031-S INTERCHANGEABLE
Seat,valve
Velan Valve Corp.
5310-01-466-05128350-15 ITEM 17B INTERCHANGEABLE
Nut,plain,hexagon
Velan Valve Corp.
4820-01-466-43289095-005-339 INTERCHANGEABLE
Stem,fluid Valve
Velan Valve Corp.
Cross-Reference Index
Part NumberManufacturer
8350-15 ITEM 5B Velan Valve Corp. (USA)
9015-007-033-S PRIMARY Velan Valve Corp. (USA)
8350-15 Velan Valve Corp. (USA)
Related Parts
4730-00-279-2435INTERCHANGEABLE
COUPLING,PIPE
835-015
4820-00-862-5033INTERCHANGEABLE
VALVE,GATE
4820-01-156-7163INTERCHANGEABLE
SEAT,VALVE
9015-007-148
4820-01-237-2891INTERCHANGEABLE
DISK,VALVE
8995-005-031-S
4730-01-251-0987INTERCHANGEABLE
COUPLING,PIPE
3835-015
4820-01-253-3566INTERCHANGEABLE
STEM,FLUID VALVE
8350-15 ITEM 8
4820-01-266-3630INTERCHANGEABLE
VALVE,GATE
B12-2054P-02TSG
4820-01-461-0560INTERCHANGEABLE
SEAT,VALVE
9015-007-031-S
5310-01-466-0512INTERCHANGEABLE
NUT,PLAIN,HEXAGON
8350-15 ITEM 17B
4820-01-466-4328INTERCHANGEABLE
STEM,FLUID VALVE
9095-005-339

Frequently Asked Questions

What is NSN 4820-01-466-4158?

NSN 4820-01-466-4158 is a Seat,valve, manufactured by Velan Valve Corp., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-466-4158?

NSN 4820-01-466-4158 has 3 cross-referenced part numbers: 8350-15 ITEM 5B (Velan Valve Corp.), 9015-007-033-S (Velan Valve Corp.), 8350-15 (Velan Valve Corp.).

What NSN replaces 4820-01-466-4158?

There are 10 known substitutes for 4820-01-466-4158: 4730-00-279-2435, 4820-00-862-5033, 4820-01-156-7163 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9015-007-033-S?

Key specifications for 9015-007-033-S: End Item Identification: GATE VALVE; Seating Surface Shape: ANGULAR; Special Features: W/S WASP CLASS LHN; Material: STEEL OVERALL. 9 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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