PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

82S0346R0010Stem,valve Assembly

Ametek Inc Schutte and Koerting Div · NSN 4820-00-672-6644 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-672-6644 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-672-6644. Primary manufacturer part number: 82S0346R0010.
Features
  • Stem,valve Assembly — FSC 4820
  • General Characteristics Item Description: 20.000 IN. LG; 3.500 IN. W; INCLUDES O RING SEALS; GUILDED BULB AND ONE THUMB SCREW IN
  • 2 verified cross-references
  • Primary manufacturer: Ametek Inc Schutte and Koerting Div
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,valve Assembly, cataloged under National Stock Number 4820-00-672-6644, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ametek Inc Schutte and Koerting Div. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN4820-00-672-6644
Primary Part Number82S0346R0010
Item NameStem,valve Assembly
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAmetek Inc Schutte and Koerting Div
StatusACTIVE
General Characteristics Item Description20.000 IN. LG; 3.500 IN. W; INCLUDES O RING SEALS; GUILDED BULB AND ONE THUMB SCREW IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3020-00-042-65711197054 INTERCHANGEABLE
Gear,spur
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5950-01-132-5008 INTERCHANGEABLE
Transformer,power
5962-01-222-875141510 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
4530-01-225-6537 INTERCHANGEABLE
Igniter Kit,oil Bur
5975-01-618-938341510 INTERCHANGEABLE
Conduit,nonmetallic,rigid
Southern Pipe, Inc.
5999-01-692-1771415-10 INTERCHANGEABLE
Strip,electrical Grounding
Lifesaving Systems Llc
Cross-Reference Index
Part NumberManufacturer
41510 Ametek Inc Schutte and Koerting Div (USA)
82S0346R0010 PRIMARY Ametek Inc Schutte and Koerting Div (USA)
Related Parts
3020-00-042-6571INTERCHANGEABLE
GEAR,SPUR
1197054
5950-01-132-5008INTERCHANGEABLE
TRANSFORMER,POWER
5962-01-222-8751INTERCHANGEABLE
MICROCIRCUIT,MEMORY
41510
4530-01-225-6537INTERCHANGEABLE
IGNITER KIT,OIL BUR
5975-01-618-9383INTERCHANGEABLE
CONDUIT,NONMETALLIC,RIGID
41510
5999-01-692-1771INTERCHANGEABLE
STRIP,ELECTRICAL GROUNDING
415-10

Frequently Asked Questions

What is NSN 4820-00-672-6644?

NSN 4820-00-672-6644 is a Stem,valve Assembly, manufactured by Ametek Inc Schutte and Koerting Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-672-6644?

NSN 4820-00-672-6644 has 2 cross-referenced part numbers: 41510 (Ametek Inc Schutte and Koerting Div), 82S0346R0010 (Ametek Inc Schutte and Koerting Div).

What NSN replaces 4820-00-672-6644?

There are 6 known substitutes for 4820-00-672-6644: 3020-00-042-6571, 5950-01-132-5008, 5962-01-222-8751 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 82S0346R0010?

Key specifications for 82S0346R0010: General Characteristics Item Description: 20.000 IN. LG; 3.500 IN. W; INCLUDES O RING SEALS; GUILDED BULB AND ONE THUMB SCREW IN. 1 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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