PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

VPA2A1-3/8Valve,ball

Schuler Inc · NSN 4820-00-256-2224 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-256-2224 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-256-2224. Primary manufacturer part number: VPA2A1-3/8.
Features
  • Valve,ball — FSC 4820
  • Bonnet Type: PACKING RETAINING
  • Style Designator: STRAIGHT THRU
  • Thread Series Designator: NPT ALL ENDS
  • Operating Pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Media for Which Designed: AIR SINGLE RESPONSE
  • Material: COPPER ALLOY OVERALL
  • Nominal Thread Size: 0.375 INCHES ALL ENDS IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Overall construction
General Description

The Valve,ball, cataloged under National Stock Number 4820-00-256-2224, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Schuler Inc. Government technical data includes 11 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
NSN4820-00-256-2224
Primary Part NumberVPA2A1-3/8
Item NameValve,ball
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSchuler Inc
StatusACTIVE
Bonnet TypePACKING RETAINING
Style DesignatorSTRAIGHT THRU
Thread Series DesignatorNPT ALL ENDS
Operating Pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which DesignedAIR SINGLE RESPONSE
MaterialCOPPER ALLOY OVERALL
Nominal Thread Size0.375 INCHES ALL ENDS IN
Connection StylePLAIN,OPTIONAL END(PIPE) ALL ENDS
Thread DirectionRIGHT-HAND ALL ENDS
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Valve Operation MethodMANUAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-052-4646 INTERCHANGEABLE
Valve,ball
4820-00-052-4647MSSSP110-TY 2 CL A ST 3 SZ .375 INTERCHANGEABLE
Valve,ball
Sae International Dba Sae International
4820-00-052-4651 INTERCHANGEABLE
Valve,ball
4820-00-052-4652MSSSP110-TY 2 CL 600 ST 3 SZ 1.5 INTERCHANGEABLE
Valve,ball
Sae International Dba Sae International
4820-00-052-4653MSS-SP110 TY2,CLA,ST3,SZ2 IN INTERCHANGEABLE
Valve,ball
Manufacturers Standardization Society of the Valve and Fittings Industry Inc
4820-00-242-3183BA-300 INTERCHANGEABLE
Valve,ball
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4820-00-331-1777 INTERCHANGEABLE
Valve,ball
4820-01-131-95215X716 INTERCHANGEABLE
Valve,ball
W.w. Grainger, Inc. Div Government Sales Division
4820-01-161-091170-101-01 INTERCHANGEABLE
Valve,ball
Aalberts Integrated Piping Systems Americas, Inc.
4820-01-163-99826-1-6200-44 INTERCHANGEABLE
Valve,ball
W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center
Cross-Reference Index
Part NumberManufacturer
MSS-SP-110 Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA)
VPA2A1-3/8 PRIMARY Schuler Inc (USA)
MSS-SP-110 3/8IN FIG1C PRIMARY Manufacturers Standardization Society of the Valve and Fittings Industry Inc (USA)
Related Parts
4820-00-052-4646INTERCHANGEABLE
VALVE,BALL
4820-00-052-4647INTERCHANGEABLE
VALVE,BALL
MSSSP110-TY 2 CL A ST 3 SZ .375
4820-00-052-4651INTERCHANGEABLE
VALVE,BALL
4820-00-052-4652INTERCHANGEABLE
VALVE,BALL
MSSSP110-TY 2 CL 600 ST 3 SZ 1.5
4820-00-052-4653INTERCHANGEABLE
VALVE,BALL
MSS-SP110 TY2,CLA,ST3,SZ2 IN
4820-00-242-3183INTERCHANGEABLE
VALVE,BALL
BA-300
4820-00-331-1777INTERCHANGEABLE
VALVE,BALL
4820-01-131-9521INTERCHANGEABLE
VALVE,BALL
5X716
4820-01-161-0911INTERCHANGEABLE
VALVE,BALL
70-101-01
4820-01-163-9982INTERCHANGEABLE
VALVE,BALL
6-1-6200-44
4820-01-172-8229INTERCHANGEABLE
VALVE,BALL
SP-B-12-S-2
4820-01-216-4319INTERCHANGEABLE
VALVE,BALL

Frequently Asked Questions

What is NSN 4820-00-256-2224?

NSN 4820-00-256-2224 is a Valve,ball, manufactured by Schuler Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-256-2224?

NSN 4820-00-256-2224 has 3 cross-referenced part numbers: MSS-SP-110 (Manufacturers Standardization Society of the Valve and Fittings Industry Inc), VPA2A1-3/8 (Schuler Inc), MSS-SP-110 3/8IN FIG1C (Manufacturers Standardization Society of the Valve and Fittings Industry Inc).

What NSN replaces 4820-00-256-2224?

There are 12 known substitutes for 4820-00-256-2224: 4820-00-052-4646, 4820-00-052-4647, 4820-00-052-4651 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of VPA2A1-3/8?

Key specifications for VPA2A1-3/8: Bonnet Type: PACKING RETAINING; Style Designator: STRAIGHT THRU; Thread Series Designator: NPT ALL ENDS; Operating Pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 11 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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