PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

64414Seat,valve

Circor Aerospace, Inc. Dba Circor Aerospace Inc · NSN 4820-01-010-1629 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-010-1629 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-010-1629. Primary manufacturer part number: 64414.
Features
  • Seat,valve — FSC 4820
  • Style Designator: PLAIN
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
  • Seating Surface Shape: FLAT
  • Criticality Code Justification: FEAT
  • Body Inside Diameter: 0.085 INCHES NOMINAL IN
  • Body Outside Diameter: 1.060 INCHES NOMINAL IN
  • 4 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Polytetrafluoroethylene Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-010-1629, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Aerospace, Inc. Dba Circor Aerospace Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-010-1629
Primary Part Number64414
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCircor Aerospace, Inc. Dba Circor Aerospace Inc
StatusACTIVE
Style DesignatorPLAIN
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Seating Surface ShapeFLAT
Criticality Code JustificationFEAT
Body Inside Diameter0.085 INCHES NOMINAL IN
Body Outside Diameter1.060 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3040-00-125-81858157 INTERCHANGEABLE
Lever,manual Control
Telemechanics Inc
5330-00-179-143021158-1821 INTERCHANGEABLE
Seal,plain Encased
Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc
2825-00-388-68998157 INTERCHANGEABLE
Guide Assembly
Northrop Grumman Systems Corporation Div Marine Systems
5315-00-903-3971MS24665-834 INTERCHANGEABLE
Pin,cotter
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5977-01-026-763781-5-7 INTERCHANGEABLE
Brush,electrical Contact
Allard Nazarian Group, Inc. Dba Granite State Manufacturing
4730-01-208-92260031130-020 INTERCHANGEABLE
Elbow,pipe
Cleveland Service Center
5360-01-260-56488157 INTERCHANGEABLE
Spring,helical,compression
Consolidated Sewing Machine Corp
6850-01-281-5482 INTERCHANGEABLE
Scale Removing Compound
6240-01-350-6808M100/U/MED INTERCHANGEABLE
Lamp,metal Halide
Gte Products Corp Sylvania Miniature Lighting Div
5975-01-432-0900 INTERCHANGEABLE
Plate,wall,electrical
Cross-Reference Index
Part NumberManufacturer
8157-.093 Atkomatic Valve Co Inc (USA)
64414 PRIMARY Circor Aerospace, Inc. Dba Circor Aerospace Inc (USA)
8157 Atkomatic Valve Co Inc (USA)
2912558-15 Cosmodyne, Llc Dba Cosmodyne Llc (USA)
Related Parts
3040-00-125-8185INTERCHANGEABLE
LEVER,MANUAL CONTROL
8157
5330-00-179-1430INTERCHANGEABLE
SEAL,PLAIN ENCASED
21158-1821
2825-00-388-6899INTERCHANGEABLE
GUIDE ASSEMBLY
8157
5315-00-903-3971INTERCHANGEABLE
PIN,COTTER
MS24665-834
5977-01-026-7637INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
81-5-7
4730-01-208-9226INTERCHANGEABLE
ELBOW,PIPE
0031130-020
5360-01-260-5648INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
8157
6850-01-281-5482INTERCHANGEABLE
SCALE REMOVING COMPOUND
6240-01-350-6808INTERCHANGEABLE
LAMP,METAL HALIDE
M100/U/MED
5975-01-432-0900INTERCHANGEABLE
PLATE,WALL,ELECTRICAL
5340-01-462-7897INTERCHANGEABLE
PLATE,MOUNTING
741023-A
6850-01-474-9586INTERCHANGEABLE
TONER,DIRECT ELECTROSTATIC PROCE
815-7

Frequently Asked Questions

What is NSN 4820-01-010-1629?

NSN 4820-01-010-1629 is a Seat,valve, manufactured by Circor Aerospace, Inc. Dba Circor Aerospace Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-010-1629?

NSN 4820-01-010-1629 has 4 cross-referenced part numbers: 8157-.093 (Atkomatic Valve Co Inc), 64414 (Circor Aerospace, Inc. Dba Circor Aerospace Inc), 8157 (Atkomatic Valve Co Inc), 2912558-15 (Cosmodyne, Llc Dba Cosmodyne Llc).

What NSN replaces 4820-01-010-1629?

There are 12 known substitutes for 4820-01-010-1629: 3040-00-125-8185, 5330-00-179-1430, 2825-00-388-6899 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 64414?

Key specifications for 64414: Style Designator: PLAIN; Material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL; Seating Surface Shape: FLAT; Criticality Code Justification: FEAT. 9 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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