PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4231-4Disk,valve

Bath Iron Works Corporation · NSN 4820-01-238-6288 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-238-6288 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-238-6288. Primary manufacturer part number: 4231-4.
Features
  • Disk,valve — FSC 4820
  • Material: STEEL
  • Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
  • 3 verified cross-references
  • Primary manufacturer: Bath Iron Works Corporation
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-238-6288, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Bath Iron Works Corporation. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-238-6288
Primary Part Number4231-4
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBath Iron Works Corporation
StatusACTIVE
MaterialSTEEL
Pressure Rating150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5305-00-432-4390 INTERCHANGEABLE
Screw,tapping
5340-00-550-5635P8495 INTERCHANGEABLE
Plug,expansion
Honeywell International Inc Div Aerospace-South Bend (bendix Dr)
5331-01-130-04744231-59 INTERCHANGEABLE
O-Ring
Norman Filter Company, L.l.c. Dba Norman Filter Co Llc
4820-01-238-02244231-3 INTERCHANGEABLE
Stem,fluid Valve
Bath Iron Works Corporation
4820-01-238-02254231-6 INTERCHANGEABLE
Stem,fluid Valve
Bath Iron Works Corporation
5310-01-280-7851 INTERCHANGEABLE
Washer,lock
5305-01-560-055842314 INTERCHANGEABLE
Screw,cap,hexagon Head
Barnes Group Inc. Dba Barnes Distribution
Cross-Reference Index
Part NumberManufacturer
S-4231 PIECE 4 Bath Iron Works Corporation (USA)
S-4231 Bath Iron Works Corporation (USA)
4231-4 PRIMARY Bath Iron Works Corporation (USA)
Related Parts
5305-00-432-4390INTERCHANGEABLE
SCREW,TAPPING
5340-00-550-5635INTERCHANGEABLE
PLUG,EXPANSION
P8495
5331-01-130-0474INTERCHANGEABLE
O-RING
4231-59
4820-01-238-0224INTERCHANGEABLE
STEM,FLUID VALVE
4231-3
4820-01-238-0225INTERCHANGEABLE
STEM,FLUID VALVE
4231-6
5310-01-280-7851INTERCHANGEABLE
WASHER,LOCK
5305-01-560-0558INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
42314

Frequently Asked Questions

What is NSN 4820-01-238-6288?

NSN 4820-01-238-6288 is a Disk,valve, manufactured by Bath Iron Works Corporation, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-238-6288?

NSN 4820-01-238-6288 has 3 cross-referenced part numbers: S-4231 PIECE 4 (Bath Iron Works Corporation), S-4231 (Bath Iron Works Corporation), 4231-4 (Bath Iron Works Corporation).

What NSN replaces 4820-01-238-6288?

There are 7 known substitutes for 4820-01-238-6288: 5305-00-432-4390, 5340-00-550-5635, 5331-01-130-0474 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4231-4?

Key specifications for 4231-4: Material: STEEL; Pressure Rating: 150.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS. 2 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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