PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

75527KValve,purge

Griswold Industries Dba Cla-Val Co · NSN 4820-00-472-4147 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-472-4147 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-472-4147. Primary manufacturer part number: 75527K.
Features
  • Valve,purge — FSC 4820
  • General Characteristics Item Description: CAST BRONZE BODY,FIRST END 3/8 IN. NPT INTERNALLY THREADED,SECOND END 1/8 IN. NPT INTERNALLY THREADED,DIAPHRAGM FLOW CONTROL DEVICE,4.560 IN. H VALVE BODY,12.000 IN. LG OF PURGE TUBE,1.000 IN. NPT INTERNALLY THREADED AT BOTTOM OF VALVE IN
  • 3 verified cross-references
  • Primary manufacturer: Griswold Industries Dba Cla-Val Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,purge, cataloged under National Stock Number 4820-00-472-4147, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Griswold Industries Dba Cla-Val Co. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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
NSN4820-00-472-4147
Primary Part Number75527K
Item NameValve,purge
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
General Characteristics Item DescriptionCAST BRONZE BODY,FIRST END 3/8 IN. NPT INTERNALLY THREADED,SECOND END 1/8 IN. NPT INTERNALLY THREADED,DIAPHRAGM FLOW CONTROL DEVICE,4.560 IN. H VALVE BODY,12.000 IN. LG OF PURGE TUBE,1.000 IN. NPT INTERNALLY THREADED AT BOTTOM OF VALVE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5120-00-797-2407 INTERCHANGEABLE
Inserter,screw Thread Insert
5120-01-028-52207552-2 INTERCHANGEABLE
Inserter,screw Thread Insert
Stanley Engineered Fastening Llc
4720-01-342-606275522 INTERCHANGEABLE
Hose Assembly,nonmetallic
DP Manufacturing Inc.
4720-01-392-129675527 INTERCHANGEABLE
Hose Assembly,nonmetallic
DP Manufacturing Inc.
Cross-Reference Index
Part NumberManufacturer
75527K PRIMARY Griswold Industries Dba Cla-Val Co (USA)
75522 PRIMARY Griswold Industries Dba Cla-Val Co (USA)
75527 Griswold Industries Dba Cla-Val Co (USA)
Related Parts
5120-00-797-2407INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT
5120-01-028-5220INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT
7552-2
4720-01-342-6062INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
75522
4720-01-392-1296INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
75527

Frequently Asked Questions

What is NSN 4820-00-472-4147?

NSN 4820-00-472-4147 is a Valve,purge, manufactured by Griswold Industries Dba Cla-Val Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-472-4147?

NSN 4820-00-472-4147 has 3 cross-referenced part numbers: 75527K (Griswold Industries Dba Cla-Val Co), 75522 (Griswold Industries Dba Cla-Val Co), 75527 (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-00-472-4147?

There are 4 known substitutes for 4820-00-472-4147: 5120-00-797-2407, 5120-01-028-5220, 4720-01-342-6062 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 75527K?

Key specifications for 75527K: General Characteristics Item Description: CAST BRONZE BODY,FIRST END 3/8 IN. NPT INTERNALLY THREADED,SECOND END 1/8 IN. NPT INTERNALLY THREADED,DIAPHRAGM FLOW CONTROL DEVICE,4.560 IN. H VALVE BODY,12.000 IN. LG OF PURGE TUBE,1.000 IN. NPT INTERNALLY THREADED AT BOTTOM OF VALVE IN. 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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