PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51.5.22Seat,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-514-1752 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-514-1752 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-514-1752. Primary manufacturer part number: 51.5.22.
Features
  • Seat,valve — FSC 4820
  • Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
  • Material: NICKEL ALLOY SEAT
  • Style Designator: PLAIN
  • Seat Radius: 5.500 INCHES NOMINAL IN
  • Seat Angle in Deg: 45.000 NOMINAL
  • Seating Surface Shape: ANGULAR
  • 3 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Seat construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-514-1752, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-514-1752
Primary Part Number51.5.22
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Material Document and ClassificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
MaterialNICKEL ALLOY SEAT
Style DesignatorPLAIN
Seat Radius5.500 INCHES NOMINAL IN
Seat Angle in Deg45.000 NOMINAL
Seating Surface ShapeANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5905-00-786-2959 INTERCHANGEABLE
Resistor,fixed,wire Wound
2530-01-030-81155152-2 INTERCHANGEABLE
Disc,wheel,inner
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
2940-01-261-240351522 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
4820-01-310-4729012.500.0013 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4730-01-412-95015-1522 INTERCHANGEABLE
Clamp,hose
Bird Electronic Corporation Div Bird Electronic Corp
4820-01-514-169918.5.50 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
NMP-176 L-2210-C PC. NO. 51 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
51.5.22 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
NMP-176 L-2210-C Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
5905-00-786-2959INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
2530-01-030-8115INTERCHANGEABLE
DISC,WHEEL,INNER
5152-2
2940-01-261-2403INTERCHANGEABLE
FILTER ELEMENT,FLUID
51522
4820-01-310-4729INTERCHANGEABLE
SEAT,VALVE
012.500.0013
4730-01-412-9501INTERCHANGEABLE
CLAMP,HOSE
5-1522
4820-01-514-1699INTERCHANGEABLE
DISK,VALVE
18.5.50

Frequently Asked Questions

What is NSN 4820-01-514-1752?

NSN 4820-01-514-1752 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: active.

What are the part numbers for NSN 4820-01-514-1752?

NSN 4820-01-514-1752 has 3 cross-referenced part numbers: NMP-176 L-2210-C PC. NO. 51 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 51.5.22 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), NMP-176 L-2210-C (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4820-01-514-1752?

There are 6 known substitutes for 4820-01-514-1752: 5905-00-786-2959, 2530-01-030-8115, 2940-01-261-2403 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 51.5.22?

Key specifications for 51.5.22: Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT; Material: NICKEL ALLOY SEAT; Style Designator: PLAIN; End Item Identification: 4820-01-514-1698 SAFETY RELIEF VALVE. 8 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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