PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

46641PC21Stem,fluid Valve

Puget Sound Commerce Center, Inc. · NSN 4820-01-018-1903 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-018-1903 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-018-1903. Primary manufacturer part number: 46641PC21.
Features
  • Stem,fluid Valve — FSC 4820
  • Largest Outside Diameter: 1.072 INCHES NOMINAL IN
  • Material: STEEL
  • 7 verified cross-references
  • Primary manufacturer: Puget Sound Commerce Center, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-018-1903, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Puget Sound Commerce Center, Inc.. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-018-1903
Primary Part Number46641PC21
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPuget Sound Commerce Center, Inc.
StatusACTIVE
Largest Outside Diameter1.072 INCHES NOMINAL IN
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
2610-00-050-9560 INTERCHANGEABLE
Tire,pneumatic,vehicular
5910-00-052-7151BYA10D1 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Cornell-Dubilier Marketing Inc
2910-00-358-011723117 INTERCHANGEABLE
Retainer,needle Valve
Briggs and Stratton Corp
5999-00-991-3239SM-B-20741 INTERCHANGEABLE
Contact,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5315-01-413-373099123117 INTERCHANGEABLE
Pin,lock
Alfa Laval Inc
4320-01-438-309023117 INTERCHANGEABLE
Housing,liquid Pump
Parker Hannifin Corporation Div Hydraulic Systems Division
3040-01-724-41143330C14-2 INTERCHANGEABLE
Lever,manual Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
S13-1-26 Puget Sound Commerce Center, Inc. (USA)
46641PC21 PRIMARY Puget Sound Commerce Center, Inc. (USA)
46641PC21 Todd Shipyards Corp (USA)
S13-1-26 Todd Shipyards Corp (USA)
S13-1-26 Todd Combustion Inc (USA)
23117 Puget Sound Commerce Center, Inc. (USA)
23117 Todd Shipyards Corp (USA)
Related Parts
2610-00-050-9560INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
5910-00-052-7151INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
BYA10D1
2910-00-358-0117INTERCHANGEABLE
RETAINER,NEEDLE VALVE
23117
5999-00-991-3239INTERCHANGEABLE
CONTACT,ELECTRICAL
SM-B-20741
5315-01-413-3730INTERCHANGEABLE
PIN,LOCK
99123117
4320-01-438-3090INTERCHANGEABLE
HOUSING,LIQUID PUMP
23117
3040-01-724-4114INTERCHANGEABLE
LEVER,MANUAL CONTROL
3330C14-2

Frequently Asked Questions

What is NSN 4820-01-018-1903?

NSN 4820-01-018-1903 is a Stem,fluid Valve, manufactured by Puget Sound Commerce Center, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-018-1903?

NSN 4820-01-018-1903 has 7 cross-referenced part numbers: S13-1-26 (Puget Sound Commerce Center, Inc.), 46641PC21 (Puget Sound Commerce Center, Inc.), 46641PC21 (Todd Shipyards Corp), S13-1-26 (Todd Shipyards Corp), S13-1-26 (Todd Combustion Inc) and 2 more.

What NSN replaces 4820-01-018-1903?

There are 7 known substitutes for 4820-01-018-1903: 2610-00-050-9560, 5910-00-052-7151, 2910-00-358-0117 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 46641PC21?

Key specifications for 46641PC21: Overall Length: 1.443 INCHES NOMINAL IN; Largest Outside Diameter: 1.072 INCHES NOMINAL IN; Material: STEEL. 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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