PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-355Disk,valve

G. a. Braun, Inc. · NSN 4820-00-115-3720 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-115-3720 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-115-3720. Primary manufacturer part number: 1-355.
Features
  • Disk,valve — FSC 4820
  • Inside Diameter: 0.438 INCHES NOMINAL IN
  • Style Designator: PLAIN
  • Outside Diameter: 3.000 INCHES NOMINAL IN
  • Material: WOOL
  • 2 verified cross-references
  • Primary manufacturer: G. a. Braun, Inc.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Wool construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-115-3720, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is G. a. Braun, Inc.. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, 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
NSN4820-00-115-3720
Primary Part Number1-355
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerG. a. Braun, Inc.
StatusACTIVE
Inside Diameter0.438 INCHES NOMINAL IN
Style DesignatorPLAIN
Outside Diameter3.000 INCHES NOMINAL IN
MaterialWOOL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-148-55111855 INTERCHANGEABLE
Diaphragm,valve,flat
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
2590-00-247-66451355 INTERCHANGEABLE
Cartridge,air Valve
Williams Controls Inc
5310-00-543-2410MS35338-40 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5940-00-552-51021073 INTERCHANGEABLE
Terminal Board
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5330-00-599-9632470181 INTERCHANGEABLE
Retainer,packing
Naval Sea Systems Command
6650-00-833-4002 INTERCHANGEABLE
Magnifier
6680-01-023-5094 INTERCHANGEABLE
Meter,flow Rate Indicating
5342-01-139-2995 INTERCHANGEABLE
Feet,rubber
6680-01-145-67631255EA2EAAA1B INTERCHANGEABLE
Meter,flow Rate Indicating
Brooks Instrument Llc
6680-01-145-67641355EA2AGAA1B INTERCHANGEABLE
Meter,flow Rate Indicating
Brooks Instrument Llc
Cross-Reference Index
Part NumberManufacturer
1-355 PRIMARY G. a. Braun, Inc. (USA)
S531P G. a. Braun, Inc. (USA)
Related Parts
4820-00-148-5511INTERCHANGEABLE
DIAPHRAGM,VALVE,FLAT
1855
2590-00-247-6645INTERCHANGEABLE
CARTRIDGE,AIR VALVE
1355
5310-00-543-2410INTERCHANGEABLE
WASHER,LOCK
MS35338-40
5940-00-552-5102INTERCHANGEABLE
TERMINAL BOARD
1073
5330-00-599-9632INTERCHANGEABLE
RETAINER,PACKING
470181
6650-00-833-4002INTERCHANGEABLE
MAGNIFIER
6680-01-023-5094INTERCHANGEABLE
METER,FLOW RATE INDICATING
5342-01-139-2995INTERCHANGEABLE
FEET,RUBBER
6680-01-145-6763INTERCHANGEABLE
METER,FLOW RATE INDICATING
1255EA2EAAA1B
6680-01-145-6764INTERCHANGEABLE
METER,FLOW RATE INDICATING
1355EA2AGAA1B
5315-01-180-5270INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
330207 ITEM 6
4030-01-208-3744INTERCHANGEABLE
SOCKET,WIRE ROPE
9-053-100007

Frequently Asked Questions

What is NSN 4820-00-115-3720?

NSN 4820-00-115-3720 is a Disk,valve, manufactured by G. a. Braun, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-115-3720?

NSN 4820-00-115-3720 has 2 cross-referenced part numbers: 1-355 (G. a. Braun, Inc.), S531P (G. a. Braun, Inc.).

What NSN replaces 4820-00-115-3720?

There are 12 known substitutes for 4820-00-115-3720: 4820-00-148-5511, 2590-00-247-6645, 5310-00-543-2410 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1-355?

Key specifications for 1-355: Inside Diameter: 0.438 INCHES NOMINAL IN; Style Designator: PLAIN; Overall Height: 0.250 INCHES NOMINAL IN; Outside Diameter: 3.000 INCHES NOMINAL IN. 5 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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