PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

010-303-0068Seat,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-00-036-1774 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-1774 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-1774. Primary manufacturer part number: 010-303-0068.
Features
  • Seat,valve — FSC 4820
  • Under Flange Height: 2.375 INCHES NOMINAL IN
  • Seating Surface Shape: ANGULAR
  • Material: STEEL OVERALL
  • Body Outside Diameter: 1.005 INCHES NOMINAL IN
  • Material Document and Classification: QQ-S-763,CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: PLAIN FLANGED
  • Seat Angle in Deg: 45.000 NOMINAL
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 4820-00-036-1774, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-036-1774
Primary Part Number010-303-0068
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusCANCELLED
Under Flange Height2.375 INCHES NOMINAL IN
Seating Surface ShapeANGULAR
MaterialSTEEL OVERALL
Body Outside Diameter1.005 INCHES NOMINAL IN
Material Document and ClassificationQQ-S-763,CLASS 303 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorPLAIN FLANGED
Seat Angle in Deg45.000 NOMINAL
Body Inside Diameter0.750 INCHES NOMINAL IN
Flange Seat to Disk End Height0.406 INCHES NOMINAL IN
Flange Diameter1.219 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5120-00-224-3103 INTERCHANGEABLE
Wrench,open End Box
6810-00-270-3245 INTERCHANGEABLE
Thymolphthalein
5305-00-349-81854132 INTERCHANGEABLE
Screw,train Breach
Wakmann Watch Company Inc
1730-00-478-366341-32 INTERCHANGEABLE
Cable Assy,hoist Un
Didsbury Engineering Co.limited
5940-00-636-60251382B INTERCHANGEABLE
Terminal Board
Birnbach Co Inc
5950-01-049-2338514496-2 INTERCHANGEABLE
Transformer,power
Naval Air Warfare Center Aircraft Division Joint Base Jbmdl
5120-01-335-9045 INTERCHANGEABLE
Socket,socket Wrench
4930-01-361-367641-32-617-25-26-15.5 B INTERCHANGEABLE
Reel Assembly,hose
Hannay Reels Inc
5305-01-618-74654132 INTERCHANGEABLE
Screw,cap,hexagon Head
Harley Davidson Motor Co Inc
Cross-Reference Index
Part NumberManufacturer
010-303-0068 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
B2071S-L-3110-B PIECE 41 1/2 IN Kunkle Industries Inc Lonergan Valve Div (USA)
B2071S-L-3110-B Kunkle Industries Inc Lonergan Valve Div (USA)
C2559 Kunkle Industries Inc Lonergan Valve Div (USA)
010-303-0068 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
010-303-0068 Kunkle Industries Inc Lonergan Valve Div (USA)
41-3-2 Kunkle Industries Inc Lonergan Valve Div (USA)
Related Parts
5120-00-224-3103INTERCHANGEABLE
WRENCH,OPEN END BOX
6810-00-270-3245INTERCHANGEABLE
THYMOLPHTHALEIN
5305-00-349-8185INTERCHANGEABLE
SCREW,TRAIN BREACH
4132
1730-00-478-3663INTERCHANGEABLE
CABLE ASSY,HOIST UN
41-32
5940-00-636-6025INTERCHANGEABLE
TERMINAL BOARD
1382B
5950-01-049-2338INTERCHANGEABLE
TRANSFORMER,POWER
514496-2
5120-01-335-9045INTERCHANGEABLE
SOCKET,SOCKET WRENCH
4930-01-361-3676INTERCHANGEABLE
REEL ASSEMBLY,HOSE
41-32-617-25-26-15.5 B
5305-01-618-7465INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
4132

Frequently Asked Questions

What is NSN 4820-00-036-1774?

NSN 4820-00-036-1774 is a Seat,valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-036-1774?

NSN 4820-00-036-1774 has 7 cross-referenced part numbers: 010-303-0068 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), B2071S-L-3110-B PIECE 41 1/2 IN (Kunkle Industries Inc Lonergan Valve Div), B2071S-L-3110-B (Kunkle Industries Inc Lonergan Valve Div), C2559 (Kunkle Industries Inc Lonergan Valve Div), 010-303-0068 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 2 more.

What NSN replaces 4820-00-036-1774?

There are 9 known substitutes for 4820-00-036-1774: 5120-00-224-3103, 6810-00-270-3245, 5305-00-349-8185 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 010-303-0068?

Key specifications for 010-303-0068: Under Flange Height: 2.375 INCHES NOMINAL IN; Seating Surface Shape: ANGULAR; Material: STEEL OVERALL; Body Outside Diameter: 1.005 INCHES NOMINAL IN. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-036-1774 still in active supply?

NSN 4820-00-036-1774 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.
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