PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

594WA21STValve,ball

Superior Controls Inc · NSN 4820-01-498-6529 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-498-6529 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-498-6529. Primary manufacturer part number: 594WA21ST.
Features
  • Valve,ball — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Superior Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,ball, cataloged under National Stock Number 4820-01-498-6529, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Superior Controls Inc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-498-6529
Primary Part Number594WA21ST
Item NameValve,ball
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSuperior Controls Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-282-282120-243-2 INTERCHANGEABLE
Felt,mechanical,preformed
Dresser Industries Inc Leroi Div
3020-00-335-5491 INTERCHANGEABLE
Gear,antibacklash,helical
5985-00-340-1615 INTERCHANGEABLE
Line,radio Frequency Transmissio
5935-00-463-8036202-33424-3 INTERCHANGEABLE
Connector,plug,electrical
Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division
5330-00-562-1604810349 INTERCHANGEABLE
Felt,mechanical,preformed
Dresser, Llc
2590-00-871-689412567 INTERCHANGEABLE
Cap,filler Opening
Westerbeke Corporation
4330-01-051-3098131136-01-20-0035 INTERCHANGEABLE
Filter,fluid
Solventum Purification Inc. Div Filtration and Separation Division
6140-01-180-5928 INTERCHANGEABLE
Battery,storage
3110-01-297-1045 INTERCHANGEABLE
Bearing,roller,needle
Cross-Reference Index
Part NumberManufacturer
594WA21ST Superior Controls Inc (USA)
12567 Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems (USA)
12567 Itw Gse Inc. (USA)
Related Parts
5330-00-282-2821INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
20-243-2
3020-00-335-5491INTERCHANGEABLE
GEAR,ANTIBACKLASH,HELICAL
5985-00-340-1615INTERCHANGEABLE
LINE,RADIO FREQUENCY TRANSMISSIO
5935-00-463-8036INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
202-33424-3
5330-00-562-1604INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
810349
2590-00-871-6894INTERCHANGEABLE
CAP,FILLER OPENING
12567
4330-01-051-3098INTERCHANGEABLE
FILTER,FLUID
131136-01-20-0035
6140-01-180-5928INTERCHANGEABLE
BATTERY,STORAGE
3110-01-297-1045INTERCHANGEABLE
BEARING,ROLLER,NEEDLE

Frequently Asked Questions

What is NSN 4820-01-498-6529?

NSN 4820-01-498-6529 is a Valve,ball, manufactured by Superior Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-498-6529?

NSN 4820-01-498-6529 has 3 cross-referenced part numbers: 594WA21ST (Superior Controls Inc), 12567 (Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems), 12567 (Itw Gse Inc.).

What NSN replaces 4820-01-498-6529?

There are 9 known substitutes for 4820-01-498-6529: 5330-00-282-2821, 3020-00-335-5491, 5985-00-340-1615 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 594WA21ST?

Key specifications for 594WA21ST: Part Name Assigned by Controlling Agency: VAVLE,BALL,2.13 OD; End Item Identification: F-22 ACFT. 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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