PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8742-2Disc,seat,valve

Lincoln Electric Co the Harris Calorific Div · NSN 2990-01-211-6865 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-211-6865 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-211-6865. Primary manufacturer part number: 8742-2.
Features
  • Disc,seat,valve — FSC 2990
  • 1 verified cross-reference
  • Primary manufacturer: Lincoln Electric Co the Harris Calorific Div
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Disc,seat,valve, cataloged under National Stock Number 2990-01-211-6865, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Lincoln Electric Co the Harris Calorific Div. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-211-6865
Primary Part Number8742-2
Item NameDisc,seat,valve
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerLincoln Electric Co the Harris Calorific Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
8030-01-127-3683 INTERCHANGEABLE
Corrosion Preventive Compound
Cross-Reference Index
Part NumberManufacturer
8742-2 Lincoln Electric Co the Harris Calorific Div (USA)
Related Parts
8030-01-127-3683INTERCHANGEABLE
CORROSION PREVENTIVE COMPOUND

Frequently Asked Questions

What is NSN 2990-01-211-6865?

NSN 2990-01-211-6865 is a Disc,seat,valve, manufactured by Lincoln Electric Co the Harris Calorific Div, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-211-6865?

NSN 2990-01-211-6865 has 1 cross-referenced part number: 8742-2 (Lincoln Electric Co the Harris Calorific Div).

What NSN replaces 2990-01-211-6865?

There is 1 known substitute for 2990-01-211-6865: 8030-01-127-3683. Verify interchangeability with system specifications before substitution.

What are the specifications of 8742-2?

Key specifications for 8742-2: End Item Identification: 4210-01-176-3511. 1 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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