PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14276Seat,valve

Moog Inc Div Moog Inc., Space and Defense - Salt Lake City · NSN 4820-00-701-7255 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-701-7255 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-701-7255. Primary manufacturer part number: 14276.
Features
  • Seat,valve — FSC 4820
  • Body Outside Diameter: 4.965 INCHES MINIMUM AND 4.985 INCHES MAXIMUM IN
  • Body Inside Diameter: 0.280 INCHES NOMINAL IN
  • Seat Angle in Deg: 90.000 NOMINAL
  • Seating Surface Shape: ANGULAR
  • Surface Treatment: PASSIVATE OVERALL
  • Flange Diameter: 0.497 INCHES NOMINAL IN
  • Flange Seat to Disk End Height: 0.040 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-00-701-7255, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Moog Inc Div Moog Inc., Space and Defense - Salt Lake City. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-701-7255
Primary Part Number14276
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMoog Inc Div Moog Inc., Space and Defense - Salt Lake City
StatusCANCELLED
Body Outside Diameter4.965 INCHES MINIMUM AND 4.985 INCHES MAXIMUM IN
Body Inside Diameter0.280 INCHES NOMINAL IN
Seat Angle in Deg90.000 NOMINAL
Seating Surface ShapeANGULAR
Surface TreatmentPASSIVATE OVERALL
Flange Diameter0.497 INCHES NOMINAL IN
Flange Seat to Disk End Height0.040 INCHES NOMINAL IN
Style DesignatorPLAIN FLANGED
MaterialSTEEL CORROSION RESISTING OVERALL
Under Flange Height0.305 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
4820-00-036-154914276 INTERCHANGEABLE
Disk,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
3110-00-100-0516 INTERCHANGEABLE
Cup,tapered Roller Bearing
3110-00-100-6008 INTERCHANGEABLE
Bearing,roller,tapered
5330-00-159-318314276 INTERCHANGEABLE
Gasket
Time Manufacturing Company Dba Time Manufacturing Company
5935-00-258-41231022867 INTERCHANGEABLE
Connector,receptacle,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5905-00-264-8749 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
6760-00-491-1546 INTERCHANGEABLE
Bracket,potentiomet
Cross-Reference Index
Part NumberManufacturer
14276 Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
14276 E-Systems Inc Montek Div Fluid Controls Opns (USA)
14276 Mid-America Aerotech, Llc (USA)
14276 Moog Inc (USA)
Related Parts
4820-00-036-1549INTERCHANGEABLE
DISK,VALVE
14276
3110-00-100-0516INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
3110-00-100-6008INTERCHANGEABLE
BEARING,ROLLER,TAPERED
5330-00-159-3183INTERCHANGEABLE
GASKET
14276
5935-00-258-4123INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
1022867
5905-00-264-8749INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
6760-00-491-1546INTERCHANGEABLE
BRACKET,POTENTIOMET

Frequently Asked Questions

What is NSN 4820-00-701-7255?

NSN 4820-00-701-7255 is a Seat,valve, manufactured by Moog Inc Div Moog Inc., Space and Defense - Salt Lake City, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-701-7255?

NSN 4820-00-701-7255 has 4 cross-referenced part numbers: 14276 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 14276 (E-Systems Inc Montek Div Fluid Controls Opns), 14276 (Mid-America Aerotech, Llc), 14276 (Moog Inc).

What NSN replaces 4820-00-701-7255?

There are 7 known substitutes for 4820-00-701-7255: 4820-00-036-1549, 3110-00-100-0516, 3110-00-100-6008 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 14276?

Key specifications for 14276: Body Outside Diameter: 4.965 INCHES MINIMUM AND 4.985 INCHES MAXIMUM IN; Body Inside Diameter: 0.280 INCHES NOMINAL IN; Seat Angle in Deg: 90.000 NOMINAL; Seating Surface Shape: ANGULAR. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-701-7255 still in active supply?

NSN 4820-00-701-7255 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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