PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

WH-330-J-691-41/2Stem,fluid Valve

Haltec Corp · NSN 4820-01-579-4807 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-579-4807 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-579-4807. Primary manufacturer part number: WH-330-J-691-41/2.
Features
  • Stem,fluid Valve — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Haltec Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-579-4807, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Haltec Corp. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-579-4807
Primary Part NumberWH-330-J-691-41/2
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHaltec Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2640-01-563-2367WH-330-J-691-4 1/2 INTERCHANGEABLE
Valve,pneumatic Tire
Haltec Corp
Cross-Reference Index
Part NumberManufacturer
WH-330-J-691-41/2 PRIMARY Haltec Corp (USA)
Related Parts
2640-01-563-2367INTERCHANGEABLE
VALVE,PNEUMATIC TIRE
WH-330-J-691-4 1/2

Frequently Asked Questions

What is NSN 4820-01-579-4807?

NSN 4820-01-579-4807 is a Stem,fluid Valve, manufactured by Haltec Corp, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-579-4807?

NSN 4820-01-579-4807 has 1 cross-referenced part number: WH-330-J-691-41/2 (Haltec Corp).

What NSN replaces 4820-01-579-4807?

There is 1 known substitute for 4820-01-579-4807: 2640-01-563-2367. Verify interchangeability with system specifications before substitution.

What are the specifications of WH-330-J-691-41/2?

Key specifications for WH-330-J-691-41/2: End Item Identification: 2355-01-529-2246. 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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