PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

W-52Valve and Sprinkler Unit

Wardrup Valve Co · NSN 4820-01-138-3062 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-138-3062 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-138-3062. Primary manufacturer part number: W-52.
Features
  • Valve and Sprinkler Unit — FSC 4820
  • General Characteristics Item Description: ALUMINUM;CONNECTING END GROOVED;90.0 TO ZERO DEG SPRAY
  • 3 verified cross-references
  • Primary manufacturer: Wardrup Valve Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve and Sprinkler Unit, cataloged under National Stock Number 4820-01-138-3062, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Wardrup Valve Co. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-138-3062
Primary Part NumberW-52
Item NameValve and Sprinkler Unit
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWardrup Valve Co
StatusACTIVE
General Characteristics Item DescriptionALUMINUM;CONNECTING END GROOVED;90.0 TO ZERO DEG SPRAY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2930-00-211-8759896 INTERCHANGEABLE
Pump,cooling System,engine
Elgin Industries Inc. Dba
5325-00-457-6959 INTERCHANGEABLE
Ring,retaining
5999-01-330-518060A1516 INTERCHANGEABLE
Heater,thermal Release
Eagle Crusher Co Inc Dba Stedman Machine Co
4920-01-344-2695A-6814 INTERCHANGEABLE
Test Set,bleeding
Lockheed Martin Corp
Cross-Reference Index
Part NumberManufacturer
D-7506 NO. 14 Elliott Machine Works Inc (USA)
W-52 PRIMARY Wardrup Valve Co (USA)
A-6814 Elliott Machine Works Inc (USA)
Related Parts
2930-00-211-8759INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
896
5325-00-457-6959INTERCHANGEABLE
RING,RETAINING
5999-01-330-5180INTERCHANGEABLE
HEATER,THERMAL RELEASE
60A1516
4920-01-344-2695INTERCHANGEABLE
TEST SET,BLEEDING
A-6814

Frequently Asked Questions

What is NSN 4820-01-138-3062?

NSN 4820-01-138-3062 is a Valve and Sprinkler Unit, manufactured by Wardrup Valve Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-138-3062?

NSN 4820-01-138-3062 has 3 cross-referenced part numbers: D-7506 NO. 14 (Elliott Machine Works Inc), W-52 (Wardrup Valve Co), A-6814 (Elliott Machine Works Inc).

What NSN replaces 4820-01-138-3062?

There are 4 known substitutes for 4820-01-138-3062: 2930-00-211-8759, 5325-00-457-6959, 5999-01-330-5180 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of W-52?

Key specifications for W-52: General Characteristics Item Description: ALUMINUM;CONNECTING END GROOVED;90.0 TO ZERO DEG SPRAY. 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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