PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

101-530Valve,ball

Legend Valve and Fitting Inc · NSN 4820-01-657-1572 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-657-1572 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-657-1572. Primary manufacturer part number: 101-530.
Features
  • Valve,ball — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Legend Valve and Fitting Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,ball, cataloged under National Stock Number 4820-01-657-1572, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Legend Valve and Fitting Inc. This item has 1 commercial cross-reference 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
NSN4820-01-657-1572
Primary Part Number101-530
Item NameValve,ball
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLegend Valve and Fitting Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5962-00-355-0816970503-55 INTERCHANGEABLE
Microcircuit,digital-Linear
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5998-00-478-5239101530 INTERCHANGEABLE
Circuit Card Assembly
Aimtron Systems, Llc
5905-00-534-66656096573-1 INTERCHANGEABLE
Resistor Set,matched
Lockheed Martin Corporation Div Rotary and Mission Systems
5305-00-576-5417MS35307-360 INTERCHANGEABLE
Screw,cap,hexagon Head
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5998-00-939-3740 INTERCHANGEABLE
Circuit Card Assembly
6660-01-310-8924 INTERCHANGEABLE
Anemometer
3655-01-467-621310-1530 INTERCHANGEABLE
Generator Nitrogen
Peak Scientific Inc
Cross-Reference Index
Part NumberManufacturer
101-530 PRIMARY Legend Valve and Fitting Inc (USA)
Related Parts
5962-00-355-0816INTERCHANGEABLE
MICROCIRCUIT,DIGITAL-LINEAR
970503-55
5998-00-478-5239INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
101530
5905-00-534-6665INTERCHANGEABLE
RESISTOR SET,MATCHED
6096573-1
5305-00-576-5417INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
MS35307-360
5998-00-939-3740INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
6660-01-310-8924INTERCHANGEABLE
ANEMOMETER
3655-01-467-6213INTERCHANGEABLE
GENERATOR NITROGEN
10-1530

Frequently Asked Questions

What is NSN 4820-01-657-1572?

NSN 4820-01-657-1572 is a Valve,ball, manufactured by Legend Valve and Fitting Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-657-1572?

NSN 4820-01-657-1572 has 1 cross-referenced part number: 101-530 (Legend Valve and Fitting Inc).

What NSN replaces 4820-01-657-1572?

There are 7 known substitutes for 4820-01-657-1572: 5962-00-355-0816, 5998-00-478-5239, 5905-00-534-6665 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 101-530?

Key specifications for 101-530: Part Name Assigned by Controlling Agency: T-900MXF-T. 1 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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