PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

118680Insert,engine Valve Seat

Dresser, Llc · NSN 2815-00-091-8036 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-091-8036 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-091-8036. Primary manufacturer part number: 118680.
Features
  • Insert,engine Valve Seat — FSC 2815
  • Style Designator: PLAIN
  • Material: COBALT COMP 3 OVERALL
  • Seating Surface Shape: FLAT
  • Hardness Rating: 50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
  • Body Outside Diameter: 1.503 INCHES MINIMUM AND 1.504 INCHES MAXIMUM IN
  • Body Inside Diameter: 1.245 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
  • 2 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Mechanical power generation
  • Drive system operation
General Description

The Insert,engine Valve Seat, cataloged under National Stock Number 2815-00-091-8036, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Dresser, Llc. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2815-00-091-8036
Primary Part Number118680
Item NameInsert,engine Valve Seat
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerDresser, Llc
StatusACTIVE
Style DesignatorPLAIN
MaterialCOBALT COMP 3 OVERALL
Seating Surface ShapeFLAT
Hardness Rating50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL
Body Outside Diameter1.503 INCHES MINIMUM AND 1.504 INCHES MAXIMUM IN
Body Inside Diameter1.245 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2815-00-091-8035118679 INTERCHANGEABLE
Insert,engine Valve Seat
Dresser, Llc
4810-00-325-5313118664 INTERCHANGEABLE
Seat,valve
Dresser, Llc
4820-00-569-1388S-2568-1 INTERCHANGEABLE
Seat,valve
Dresser, Llc
4820-00-827-1914118617 INTERCHANGEABLE
Seat,valve
Dresser, Llc
4320-00-888-9122PZ3118 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
Itt Marlow a Unit of Itt Pumps and Compressors Div
Cross-Reference Index
Part NumberManufacturer
118680 PRIMARY Dresser, Llc (USA)
S-2568-1 Dresser, Llc (USA)
Related Parts
2815-00-091-8035INTERCHANGEABLE
INSERT,ENGINE VALVE SEAT
118679
4810-00-325-5313INTERCHANGEABLE
SEAT,VALVE
118664
4820-00-569-1388INTERCHANGEABLE
SEAT,VALVE
S-2568-1
4820-00-827-1914INTERCHANGEABLE
SEAT,VALVE
118617
4320-00-888-9122INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
PZ3118

Frequently Asked Questions

What is NSN 2815-00-091-8036?

NSN 2815-00-091-8036 is a Insert,engine Valve Seat, manufactured by Dresser, Llc, classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-00-091-8036?

NSN 2815-00-091-8036 has 2 cross-referenced part numbers: 118680 (Dresser, Llc), S-2568-1 (Dresser, Llc).

What NSN replaces 2815-00-091-8036?

There are 5 known substitutes for 2815-00-091-8036: 2815-00-091-8035, 4810-00-325-5313, 4820-00-569-1388 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 118680?

Key specifications for 118680: Style Designator: PLAIN; Material: COBALT COMP 3 OVERALL; Seating Surface Shape: FLAT; Overall Height: 0.217 INCHES MINIMUM AND 0.219 INCHES MAXIMUM IN. 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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