PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

502929Ball,check

Huck International, Inc. Div Kingston Operations · NSN 4820-01-521-6397 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-521-6397 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-521-6397. Primary manufacturer part number: 502929.
Features
  • Ball,check — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Huck International, Inc. Div Kingston Operations
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Ball,check, cataloged under National Stock Number 4820-01-521-6397, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Huck International, Inc. Div Kingston Operations. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-521-6397
Primary Part Number502929
Item NameBall,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHuck International, Inc. Div Kingston Operations
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
3110-00-838-5033MS19060-4812 INTERCHANGEABLE
Ball,bearing
American Society for Testing and Materials Dba Astm International
5360-01-190-1645 INTERCHANGEABLE
Spring
Cross-Reference Index
Part NumberManufacturer
502929 PRIMARY Huck International, Inc. Div Kingston Operations (USA)
Related Parts
3110-00-838-5033INTERCHANGEABLE
BALL,BEARING
MS19060-4812
5360-01-190-1645INTERCHANGEABLE
SPRING

Frequently Asked Questions

What is NSN 4820-01-521-6397?

NSN 4820-01-521-6397 is a Ball,check, manufactured by Huck International, Inc. Div Kingston Operations, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-521-6397?

NSN 4820-01-521-6397 has 1 cross-referenced part number: 502929 (Huck International, Inc. Div Kingston Operations).

What NSN replaces 4820-01-521-6397?

There are 2 known substitutes for 4820-01-521-6397: 3110-00-838-5033, 5360-01-190-1645. Verify interchangeability with system specifications before substitution.

What are the specifications of 502929?

Key specifications for 502929: End Item Identification: VALVE, BALL; Special Features: MODEL 256, 256 CAN INSTALL UP TO 1/8 INCH STEEL, MAGNA-GRIP FASTENERS, WEIGHT: 11.1 POUNDS 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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