PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

615842Cap,valve

The Walworth Company · NSN 4820-01-132-9148 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-132-9148 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-132-9148. Primary manufacturer part number: 615842.
Features
  • Cap,valve — FSC 4820
  • Valve Type for Which Designed: GLOBE
  • Valve Size for Which Designed: 3.000 INCHES IN
  • Attachment Method: BOLTS
  • Valve Model Number for Which Designed: 845-1889550 ASSY AS
  • Material: STEEL
  • 5 verified cross-references
  • Primary manufacturer: The Walworth Company
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Cap,valve, cataloged under National Stock Number 4820-01-132-9148, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is The Walworth Company. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-132-9148
Primary Part Number615842
Item NameCap,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerThe Walworth Company
StatusACTIVE
Valve Type for Which DesignedGLOBE
Valve Size for Which Designed3.000 INCHES IN
Attachment MethodBOLTS
Valve Model Number for Which Designed845-1889550 ASSY AS
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4820-01-058-23491889561PC41X42X44X45 INTERCHANGEABLE
Stem and Disk Assembly
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-108-8662845-1889550ASSYGS5IN PIECE37 INTERCHANGEABLE
Cap,valve
Naval Ship Systems Command
4820-01-116-68682620-922X1ASSYGS4IN PIECE 38 INTERCHANGEABLE
Cap,valve
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-116-7681700736033 INTERCHANGEABLE
Cap,valve
The Walworth Company
4820-01-123-41322620-922X1 PC 5/3 INCH INTERCHANGEABLE
Disk,valve
Electric Boat Corporation Div General Dynamics Electric Boat
4820-01-125-2152845-1889550ASSY5INCH PIECE INTERCHANGEABLE
Yoke,valve
The Walworth Company
4820-01-184-4414 INTERCHANGEABLE
Clamp,bonnet
4820-01-184-45530653379 INTERCHANGEABLE
Cap,valve
The Walworth Company
4820-01-201-67330605453 INTERCHANGEABLE
Clamp,bonnet
The Walworth Company
Cross-Reference Index
Part NumberManufacturer
845-1889550 Naval Ship Systems Command (USA)
2620-922X1ASSYAS3IN PIECE66 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
615842 PRIMARY The Walworth Company (USA)
845-1889550ASSYAS3IN PIECE66 Naval Ship Systems Command (USA)
2620-922X1 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
Related Parts
4820-01-058-2349INTERCHANGEABLE
STEM AND DISK ASSEMBLY
1889561PC41X42X44X45
4820-01-108-8662INTERCHANGEABLE
CAP,VALVE
845-1889550ASSYGS5IN PIECE37
4820-01-116-6868INTERCHANGEABLE
CAP,VALVE
2620-922X1ASSYGS4IN PIECE 38
4820-01-116-7681INTERCHANGEABLE
CAP,VALVE
700736033
4820-01-123-4132INTERCHANGEABLE
DISK,VALVE
2620-922X1 PC 5/3 INCH
4820-01-125-2152INTERCHANGEABLE
YOKE,VALVE
845-1889550ASSY5INCH PIECE
4820-01-184-4414INTERCHANGEABLE
CLAMP,BONNET
4820-01-184-4553INTERCHANGEABLE
CAP,VALVE
0653379
4820-01-201-6733INTERCHANGEABLE
CLAMP,BONNET
0605453

Frequently Asked Questions

What is NSN 4820-01-132-9148?

NSN 4820-01-132-9148 is a Cap,valve, manufactured by The Walworth Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-132-9148?

NSN 4820-01-132-9148 has 5 cross-referenced part numbers: 845-1889550 (Naval Ship Systems Command), 2620-922X1ASSYAS3IN PIECE66 (Electric Boat Corporation Div General Dynamics Electric Boat), 615842 (The Walworth Company), 845-1889550ASSYAS3IN PIECE66 (Naval Ship Systems Command), 2620-922X1 (Electric Boat Corporation Div General Dynamics Electric Boat).

What NSN replaces 4820-01-132-9148?

There are 9 known substitutes for 4820-01-132-9148: 4820-01-058-2349, 4820-01-108-8662, 4820-01-116-6868 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 615842?

Key specifications for 615842: Valve Type for Which Designed: GLOBE; Valve Size for Which Designed: 3.000 INCHES IN; Attachment Method: BOLTS; Overall Length: 7.250 INCHES NOMINAL IN. 6 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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