PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W2515-2N2-6Seat,valve

Cooper Cameron Corp Cooper Cameron Valves Div · NSN 4820-00-878-0173 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-878-0173 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-878-0173. Primary manufacturer part number: W2515-2N2-6.
Features
  • Seat,valve — FSC 4820
  • Seating Surface Shape: ANGULAR
  • Body Inside Diameter: 2.875 INCHES NOMINAL IN
  • Style Designator: PLAIN
  • Seat Angle in Deg: 15.000 NOMINAL
  • Material: COPPER ALLOY OVERALL
  • Body Outside Diameter: 3.525 INCHES NOMINAL IN
  • 2 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-878-0173, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Cooper Cameron Corp Cooper Cameron Valves Div. Government technical data includes 6 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-878-0173
Primary Part NumberW2515-2N2-6
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCooper Cameron Corp Cooper Cameron Valves Div
StatusACTIVE
Seating Surface ShapeANGULAR
Body Inside Diameter2.875 INCHES NOMINAL IN
Style DesignatorPLAIN
Seat Angle in Deg15.000 NOMINAL
MaterialCOPPER ALLOY OVERALL
Body Outside Diameter3.525 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5985-00-465-3736 INTERCHANGEABLE
Antenna
4130-00-532-82080675-10 INTERCHANGEABLE
Filter Element,air Conditioning
Lockheed Martin Corporation Div Rms - Mitchel Field
Cross-Reference Index
Part NumberManufacturer
W2515-2N2-6 PRIMARY Cooper Cameron Corp Cooper Cameron Valves Div (USA)
1757-021 Cooper Cameron Corp Cooper Cameron Valves Div (USA)
Related Parts
5985-00-465-3736INTERCHANGEABLE
ANTENNA
4130-00-532-8208INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
0675-10

Frequently Asked Questions

What is NSN 4820-00-878-0173?

NSN 4820-00-878-0173 is a Seat,valve, manufactured by Cooper Cameron Corp Cooper Cameron Valves Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-878-0173?

NSN 4820-00-878-0173 has 2 cross-referenced part numbers: W2515-2N2-6 (Cooper Cameron Corp Cooper Cameron Valves Div), 1757-021 (Cooper Cameron Corp Cooper Cameron Valves Div).

What NSN replaces 4820-00-878-0173?

There are 2 known substitutes for 4820-00-878-0173: 5985-00-465-3736, 4130-00-532-8208. Verify interchangeability with system specifications before substitution.

What are the specifications of W2515-2N2-6?

Key specifications for W2515-2N2-6: Overall Height: 1.797 INCHES NOMINAL IN; Seating Surface Shape: ANGULAR; Body Inside Diameter: 2.875 INCHES NOMINAL IN; Style Designator: PLAIN. 7 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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