PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1UA23000C/SD131Disk,rupturable

Bs&b Safety Systems Llc · NSN 4820-00-050-6516 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-050-6516 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-050-6516. Primary manufacturer part number: 1UA23000C/SD131.
Features
  • Disk,rupturable — FSC 4820
  • Disk Material: ALUMINUM
  • Cross-Sectional Shape: CONCAVE
  • Criticality Code Justification: ZZZY
  • Burst Pressure: 75.0 PRESSURE POUNDS PER SQUARE INCH GAGE
  • Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
  • 2 verified cross-references
  • Primary manufacturer: Bs&b Safety Systems Llc
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Disk,rupturable, cataloged under National Stock Number 4820-00-050-6516, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Bs&b Safety Systems Llc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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: Active.

Technical Specifications
ParameterValue
NSN4820-00-050-6516
Primary Part Number1UA23000C/SD131
Item NameDisk,rupturable
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBs&b Safety Systems Llc
StatusACTIVE
Disk MaterialALUMINUM
Cross-Sectional ShapeCONCAVE
Criticality Code JustificationZZZY
Burst Pressure75.0 PRESSURE POUNDS PER SQUARE INCH GAGE
Reference Number Differentiating CharacteristicsCLEANING, PACKAGING, AND MARKING IAW THE LATEST REVISION OF MIL-STD-1330
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5120-00-264-3795 INTERCHANGEABLE
Wrench,adjustable
5930-00-971-0918FS132P1 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
5136-01-542-061866320 INTERCHANGEABLE
Die,thread Cutting
Ridge Tool Company
5120-01-658-2144 INTERCHANGEABLE
Punch,drive Pin
6230-01-719-838366320 INTERCHANGEABLE
Flashlight
Streamlight Inc Dba Streamlight Inc
Cross-Reference Index
Part NumberManufacturer
1UA23000C/SD131 Bs&b Safety Systems Llc (USA)
66320 Ryan Industries Div of Cordon International Corp (USA)
Related Parts
5120-00-264-3795INTERCHANGEABLE
WRENCH,ADJUSTABLE
5930-00-971-0918INTERCHANGEABLE
SWITCH,FLOW
FS132P1
5136-01-542-0618INTERCHANGEABLE
DIE,THREAD CUTTING
66320
5120-01-658-2144INTERCHANGEABLE
PUNCH,DRIVE PIN
6230-01-719-8383INTERCHANGEABLE
FLASHLIGHT
66320

Frequently Asked Questions

What is NSN 4820-00-050-6516?

NSN 4820-00-050-6516 is a Disk,rupturable, manufactured by Bs&b Safety Systems Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-050-6516?

NSN 4820-00-050-6516 has 2 cross-referenced part numbers: 1UA23000C/SD131 (Bs&b Safety Systems Llc), 66320 (Ryan Industries Div of Cordon International Corp).

What NSN replaces 4820-00-050-6516?

There are 5 known substitutes for 4820-00-050-6516: 5120-00-264-3795, 5930-00-971-0918, 5136-01-542-0618 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1UA23000C/SD131?

Key specifications for 1UA23000C/SD131: Disk Material: ALUMINUM; Cross-Sectional Shape: CONCAVE; Criticality Code Justification: ZZZY; Burst Pressure: 75.0 PRESSURE POUNDS PER SQUARE INCH GAGE. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com