PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20484601FValve,safety Relief

Griswold Industries Dba Cla-Val Co · NSN 4820-01-652-5165 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-652-5165 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-652-5165. Primary manufacturer part number: 20484601F.
Features
  • Valve,safety Relief — FSC 4820
  • 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,safety Relief, cataloged under National Stock Number 4820-01-652-5165, 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. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,safety Relief
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersThe Entwistle Company Llc (CAGE 20722); Griswold Industries Dba Cla-Val Co (CAGE 86184)
Technical Specifications
ParameterValue
NSN4820-01-652-5165
Primary Part Number20484601F
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6515-01-590-7784204.846 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
0421C30-4110-01 The Entwistle Company Llc (USA)
204846 Griswold Industries Dba Cla-Val Co (USA)
20484601F PRIMARY Griswold Industries Dba Cla-Val Co (USA)
Related Parts
6515-01-590-7784INTERCHANGEABLE
SCREW,BONE
204.846

Frequently Asked Questions

What is NSN 4820-01-652-5165?

NSN 4820-01-652-5165 is a Valve,safety Relief, 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 4820-01-652-5165?

NSN 4820-01-652-5165 has 3 cross-referenced part numbers: 0421C30-4110-01 (The Entwistle Company Llc), 204846 (Griswold Industries Dba Cla-Val Co), 20484601F (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-01-652-5165?

There is 1 known substitute for 4820-01-652-5165: 6515-01-590-7784. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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