PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2631316Stem,needle Valve

Parker Hannifin Corporation Div Aerospace Group Headquarters · NSN 4820-00-220-9108 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-220-9108 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-220-9108. Primary manufacturer part number: 2631316.
Features
  • Stem,needle Valve — FSC 4820
  • Largest Outside Diameter: 0.287 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • Disk Style: CONE
  • 3 verified cross-references
  • Primary manufacturer: Parker Hannifin Corporation Div Aerospace Group Headquarters
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy construction
General Description

The Stem,needle Valve, cataloged under National Stock Number 4820-00-220-9108, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Parker Hannifin Corporation Div Aerospace Group Headquarters. 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-220-9108
Primary Part Number2631316
Item NameStem,needle Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerParker Hannifin Corporation Div Aerospace Group Headquarters
StatusACTIVE
Largest Outside Diameter0.287 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Disk StyleCONE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5133-01-234-2155 INTERCHANGEABLE
Drill,twist
4820-01-287-9430 INTERCHANGEABLE
Stem,fluid Valve
Cross-Reference Index
Part NumberManufacturer
2631316 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
2631316 PRIMARY Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
2740033 ITEM 8 Parker Hannifin Corporation Div Aerospace Group Headquarters (USA)
Related Parts
5133-01-234-2155INTERCHANGEABLE
DRILL,TWIST
4820-01-287-9430INTERCHANGEABLE
STEM,FLUID VALVE

Frequently Asked Questions

What is NSN 4820-00-220-9108?

NSN 4820-00-220-9108 is a Stem,needle Valve, manufactured by Parker Hannifin Corporation Div Aerospace Group Headquarters, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-220-9108?

NSN 4820-00-220-9108 has 3 cross-referenced part numbers: 2631316 (Electric Boat Corporation Div General Dynamics Electric Boat), 2631316 (Parker Hannifin Corporation Div Aerospace Group Headquarters), 2740033 ITEM 8 (Parker Hannifin Corporation Div Aerospace Group Headquarters).

What NSN replaces 4820-00-220-9108?

There are 2 known substitutes for 4820-00-220-9108: 5133-01-234-2155, 4820-01-287-9430. Verify interchangeability with system specifications before substitution.

What are the specifications of 2631316?

Key specifications for 2631316: Largest Outside Diameter: 0.287 INCHES NOMINAL IN; Material: COPPER ALLOY; Disk Style: CONE; Overall Length: 1.755 INCHES NOMINAL IN. 4 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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