PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1VS4AValve,angle

Swagelok Co · NSN 4820-00-622-6854 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-622-6854 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-622-6854. Primary manufacturer part number: 1VS4A.
Features
  • Valve,angle — FSC 4820
  • Nominal Thread Size: 0.250 INCHES ALL ENDS IN
  • Material: COPPER ALLOY SEAT
  • Thread Class: 2A ALL ENDS A
  • Bonnet Attachment Method: THREADED
  • Material: COPPER ALLOY BODY
  • Flow Control Device: STEM
  • Valve Operation Method: MANUAL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Seat construction
General Description

The Valve,angle, cataloged under National Stock Number 4820-00-622-6854, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Swagelok Co. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-622-6854
Primary Part Number1VS4A
Item NameValve,angle
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSwagelok Co
StatusCANCELLED
Nominal Thread Size0.250 INCHES ALL ENDS IN
MaterialCOPPER ALLOY SEAT
Thread Class2A ALL ENDS A
Bonnet Attachment MethodTHREADED
MaterialCOPPER ALLOY BODY
Flow Control DeviceSTEM
Valve Operation MethodMANUAL
Style DesignatorANGLE
Operating Pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Connection TypeTHREADED EXTERNAL TUBE ALL ENDS
Features ProvidedBONNET PACKING
Thread DirectionRIGHT-HAND ALL ENDS
Bonnet TypeINSIDE SCREW
Maximum Operating Temp450.0 FAHRENHEIT SINGLE RESPONSE DEGF
Mounting FacilityPANEL
Thread Series DesignatorUNF ALL ENDS
MaterialSTEEL CORROSION RESISTING STEM
Furnished Items and Quantity2 FERRULE AND 2 NUT
Connection StylePLAIN (TUBE) ALL ENDS
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
5961-00-068-90645396 INTERCHANGEABLE
Semiconductor Devices,unitized
Diodes Inc
6105-00-084-385356020902 INTERCHANGEABLE
Parts Kit,electric Motor
Hydro-Aire Aerospace Corp
5998-00-202-288869-765 INTERCHANGEABLE
Circuit Card Assembly
Department of Defense Project Manager-Mobile Electric Power
6210-00-224-5213380615-1 INTERCHANGEABLE
Light,indicator
Te Connectivity Corporation
9150-00-306-6901 INTERCHANGEABLE
Lubricant,solid Film
4810-00-415-147334844 INTERCHANGEABLE
Plunger,actuator
Essex Industries, Inc. Dba Essex Industries
5935-00-497-9051 INTERCHANGEABLE
Guide,electrical Connector
5935-00-821-6362 INTERCHANGEABLE
Connector,plug,electrical
Cross-Reference Index
Part NumberManufacturer
B-1VS4-A Whitey Co (USA)
8772667-1 Libby Power Systems, Llc (USA)
1VS4A Whitey Co (USA)
S1E10039PC7 Vacco Industries (USA)
4Z-V4AR-B Parker-Hannifin Corp Div Instrumentation Products Division (USA)
S5B10204-01 Vacco Industries (USA)
5396 Howell Laboratories Inc Dba Howell Laboratories Inc (USA)
1VS4A PRIMARY Swagelok Co (USA)
Related Parts
5961-00-068-9064INTERCHANGEABLE
SEMICONDUCTOR DEVICES,UNITIZED
5396
6105-00-084-3853INTERCHANGEABLE
PARTS KIT,ELECTRIC MOTOR
56020902
5998-00-202-2888INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
69-765
6210-00-224-5213INTERCHANGEABLE
LIGHT,INDICATOR
380615-1
9150-00-306-6901INTERCHANGEABLE
LUBRICANT,SOLID FILM
4810-00-415-1473INTERCHANGEABLE
PLUNGER,ACTUATOR
34844
5935-00-497-9051INTERCHANGEABLE
GUIDE,ELECTRICAL CONNECTOR
5935-00-821-6362INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL

Frequently Asked Questions

What is NSN 4820-00-622-6854?

NSN 4820-00-622-6854 is a Valve,angle, manufactured by Swagelok Co, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-622-6854?

NSN 4820-00-622-6854 has 8 cross-referenced part numbers: B-1VS4-A (Whitey Co), 8772667-1 (Libby Power Systems, Llc), 1VS4A (Whitey Co), S1E10039PC7 (Vacco Industries), 4Z-V4AR-B (Parker-Hannifin Corp Div Instrumentation Products Division) and 3 more.

What NSN replaces 4820-00-622-6854?

There are 8 known substitutes for 4820-00-622-6854: 5961-00-068-9064, 6105-00-084-3853, 5998-00-202-2888 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1VS4A?

Key specifications for 1VS4A: Nominal Thread Size: 0.250 INCHES ALL ENDS IN; Material: COPPER ALLOY SEAT; Thread Class: 2A ALL ENDS A; Bonnet Attachment Method: THREADED. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-622-6854 still in active supply?

NSN 4820-00-622-6854 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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