Dresser Industries Inc Leroi Div · NSN 4820-00-662-8839 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-662-8839 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-662-8839. Primary manufacturer part number: 64-31.
4820-00-662-8839 — No Item Name Available illustration
Features
Seat,valve — FSC 4820
Body Outside Diameter: 1.577 INCHES NOMINAL IN
Material: STEEL OVERALL
Seat Angle in Deg: 90.000 NOMINAL
Hardness Rating: 50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM BODY
Hardness Rating: 50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM FACE
Body Inside Diameter: 1.3145 INCHES NOMINAL IN
Style Designator: PLAIN
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 4820-00-662-8839, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dresser Industries Inc Leroi Div. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
Technical Specifications
Parameter
Value
NSN
4820-00-662-8839
Primary Part Number
64-31
Item Name
Seat,valve
FSC / FSG
4820 / 48 — No Item Name Available
Manufacturer
Dresser Industries Inc Leroi Div
Status
CANCELLED
Body Outside Diameter
1.577 INCHES NOMINAL IN
Material
STEEL OVERALL
Seat Angle in Deg
90.000 NOMINAL
Hardness Rating
50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM BODY
Hardness Rating
50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM FACE
NSN 4820-00-662-8839 is a Seat,valve, manufactured by Dresser Industries Inc Leroi Div, classified under FSC 4820 (No Item Name Available). Status: cancelled.
What are the part numbers for NSN 4820-00-662-8839?
NSN 4820-00-662-8839 has 2 cross-referenced part numbers: WAUG2203 (Wausau Plant- Machining Div Muskegon Piston Ring Co a Questor Co), 64-31 (Dresser Industries Inc Leroi Div).
What NSN replaces 4820-00-662-8839?
There are 12 known substitutes for 4820-00-662-8839: 6680-00-085-7589, 5950-00-137-4728, 3110-00-156-5451 and 9 more. Verify interchangeability with system specifications before substitution.
What are the specifications of 64-31?
Key specifications for 64-31: Body Outside Diameter: 1.577 INCHES NOMINAL IN; Material: STEEL OVERALL; Seat Angle in Deg: 90.000 NOMINAL; Hardness Rating: 50.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM BODY. 9 total characteristics are documented in the Federal Logistics Information System.
Is NSN 4820-00-662-8839 still in active supply?
NSN 4820-00-662-8839 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.