PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2620-902X6ASSYCL1 1-2INValve,globe

Electric Boat Corporation Div General Dynamics Electric Boat · NSN 4820-01-115-1995 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-115-1995 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-115-1995. Primary manufacturer part number: 2620-902X6ASSYCL1 1-2IN.
Features
  • Valve,globe — FSC 4820
  • Nominal Pipe Size Accommodated: 1.500 INCHES ALL ENDS IN
  • Valve Operation Method: MANUAL
  • Material: COPPER ALLOY 922 BODY
  • Bonnet Type: INSIDE SCREW
  • Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
  • Connection Type: UNTHREADED INTERNAL PIPE ALL ENDS
  • Connection Style: SOCKET WITH BRAZING RING ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 922 Body construction
General Description

The Valve,globe, cataloged under National Stock Number 4820-01-115-1995, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Electric Boat Corporation Div General Dynamics Electric Boat. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-115-1995
Primary Part Number2620-902X6ASSYCL1 1-2IN
Item NameValve,globe
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerElectric Boat Corporation Div General Dynamics Electric Boat
StatusCANCELLED
Nominal Pipe Size Accommodated1.500 INCHES ALL ENDS IN
Valve Operation MethodMANUAL
MaterialCOPPER ALLOY 922 BODY
Bonnet TypeINSIDE SCREW
Material Document and ClassificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE SEAT
Connection TypeUNTHREADED INTERNAL PIPE ALL ENDS
Connection StyleSOCKET WITH BRAZING RING ALL ENDS
Material Document and ClassificationQQ-N-281,CLASS B FED SPEC SINGLE MATERIAL RESPONSE FLOW CONTROL DEVICE
MaterialNICKEL ALLOY SEAT
MaterialNICKEL ALLOY STEM
Bonnet Attachment MethodTHREADED
Material Document and ClassificationQQ-C-390,ALLOY D5 FED SPEC SINGLE MATERIAL RESPONSE BODY
Flow Control DeviceDISK
MaterialNICKEL ALLOY FLOW CONTROL DEVICE
Material Document and ClassificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE STEM
Operating Pressure700.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Style DesignatorSTRAIGHT THRU
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
4820-01-067-39572620-902X6 PIECE 23 1 1/2IN INTERCHANGEABLE
Disk,valve
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-075-6588803-2177934-X7XX-19 INTERCHANGEABLE
Seat,valve
Naval Ship Systems Command
4820-01-129-8013803-2177934-B716AF INTERCHANGEABLE
Valve,globe
Naval Ship Systems Command
4820-01-185-93982620-902X6 PIECE 22 1 1/2IN INTERCHANGEABLE
Valve,gate
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-310-76901889568 ASSEMBLY C 1/2IN INTERCHANGEABLE
Valve,globe
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
SS845-1889568ASSYC1 1-2IN Naval Ship Systems Command (USA)
SS845-1889568 Naval Ship Systems Command (USA)
SS845-1889568ASSYCL1 1-2IN Naval Ship Systems Command (USA)
2620-902X6 ASSE Electric Boat Corporation Div General Dynamics Electric Boat (USA)
2620-902X6 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
2620-902X6ASSYCL1 1-2IN PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
2620-902X6ASSYC1 1-2IN Electric Boat Corporation Div General Dynamics Electric Boat (USA)
2620-902X6 ASSYC PRIMARY Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
4820-01-067-3957INTERCHANGEABLE
DISK,VALVE
2620-902X6 PIECE 23 1 1/2IN
4820-01-075-6588INTERCHANGEABLE
SEAT,VALVE
803-2177934-X7XX-19
4820-01-129-8013INTERCHANGEABLE
VALVE,GLOBE
803-2177934-B716AF
4820-01-185-9398INTERCHANGEABLE
VALVE,GATE
2620-902X6 PIECE 22 1 1/2IN
4820-01-310-7690INTERCHANGEABLE
VALVE,GLOBE
1889568 ASSEMBLY C 1/2IN

Frequently Asked Questions

What is NSN 4820-01-115-1995?

NSN 4820-01-115-1995 is a Valve,globe, manufactured by Electric Boat Corporation Div General Dynamics Electric Boat, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-115-1995?

NSN 4820-01-115-1995 has 8 cross-referenced part numbers: SS845-1889568ASSYC1 1-2IN (Naval Ship Systems Command), SS845-1889568 (Naval Ship Systems Command), SS845-1889568ASSYCL1 1-2IN (Naval Ship Systems Command), 2620-902X6 ASSE (Electric Boat Corporation Div General Dynamics Electric Boat), 2620-902X6 (Electric Boat Corporation Div General Dynamics Electric Boat) and 3 more.

What NSN replaces 4820-01-115-1995?

There are 5 known substitutes for 4820-01-115-1995: 4820-01-067-3957, 4820-01-075-6588, 4820-01-129-8013 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2620-902X6ASSYCL1 1-2IN?

Key specifications for 2620-902X6ASSYCL1 1-2IN: Nominal Pipe Size Accommodated: 1.500 INCHES ALL ENDS IN; Valve Operation Method: MANUAL; Material: COPPER ALLOY 922 BODY; Bonnet Type: INSIDE SCREW. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-115-1995 still in active supply?

NSN 4820-01-115-1995 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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