PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-S-10Seat,valve

Meyer Company, the · NSN 4820-01-063-4864 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-063-4864 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-063-4864. Primary manufacturer part number: 3-S-10.
Features
  • Seat,valve — FSC 4820
  • Taper Minor Diameter: 1.250 INCHES NOMINAL IN
  • Material: RUBBER SILICONE OVERALL
  • Taper Length: 1.188 INCHES NOMINAL IN
  • 3 verified cross-references
  • Primary manufacturer: Meyer Company, the
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Silicone Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-063-4864, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Meyer Company, the. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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: Active.

Technical Specifications
ParameterValue
NSN4820-01-063-4864
Primary Part Number3-S-10
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMeyer Company, the
StatusACTIVE
Taper Minor Diameter1.250 INCHES NOMINAL IN
MaterialRUBBER SILICONE OVERALL
Taper Length1.188 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5910-00-101-5767 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
5905-00-165-3209315-022-091 INTERCHANGEABLE
Resistor,variable,wire Wound,non
L3harris Interstate Electronics Corporation
3460-00-230-2293 INTERCHANGEABLE
Holder,cutting Tool
6635-00-530-0009 INTERCHANGEABLE
Balancing Machine,dynamic-Static
5130-00-595-8339AVC12A1 INTERCHANGEABLE
Hammer,pneumatic,portable
Ingersoll-Rand Company Dba Ingersoll-Rand Div Tool & Hoist Division
5325-00-639-0359 INTERCHANGEABLE
Stud,snapslide Fastener
5640-00-808-2562 INTERCHANGEABLE
Insulation,thermal
5340-00-911-817621407 INTERCHANGEABLE
Plug Assembly,sealing
Moog Inc. Dba Ampac-Isp Corp
6645-01-167-5814AX605SBLKIT INTERCHANGEABLE
Stopwatch
Accusplit Inc
4730-01-199-1818 INTERCHANGEABLE
Coupling
Cross-Reference Index
Part NumberManufacturer
3-S-10 PRIMARY Meyer Company, the (USA)
3S Meyer Company, the (USA)
522102 American Metal Ware Co (USA)
Related Parts
5910-00-101-5767INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
5905-00-165-3209INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
315-022-091
3460-00-230-2293INTERCHANGEABLE
HOLDER,CUTTING TOOL
6635-00-530-0009INTERCHANGEABLE
BALANCING MACHINE,DYNAMIC-STATIC
5130-00-595-8339INTERCHANGEABLE
HAMMER,PNEUMATIC,PORTABLE
AVC12A1
5325-00-639-0359INTERCHANGEABLE
STUD,SNAPSLIDE FASTENER
5640-00-808-2562INTERCHANGEABLE
INSULATION,THERMAL
5340-00-911-8176INTERCHANGEABLE
PLUG ASSEMBLY,SEALING
21407
6645-01-167-5814INTERCHANGEABLE
STOPWATCH
AX605SBLKIT
4730-01-199-1818INTERCHANGEABLE
COUPLING
6525-01-518-9313INTERCHANGEABLE
PROBE,ULTRASONIC UNIT,DIAGNOSTIC
3S
5998-01-603-8362INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3S

Frequently Asked Questions

What is NSN 4820-01-063-4864?

NSN 4820-01-063-4864 is a Seat,valve, manufactured by Meyer Company, the, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-063-4864?

NSN 4820-01-063-4864 has 3 cross-referenced part numbers: 3-S-10 (Meyer Company, the), 3S (Meyer Company, the), 522102 (American Metal Ware Co).

What NSN replaces 4820-01-063-4864?

There are 12 known substitutes for 4820-01-063-4864: 5910-00-101-5767, 5905-00-165-3209, 3460-00-230-2293 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-S-10?

Key specifications for 3-S-10: Taper Minor Diameter: 1.250 INCHES NOMINAL IN; Material: RUBBER SILICONE OVERALL; Taper Length: 1.188 INCHES NOMINAL IN. 3 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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