PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C4758DRetainer,disk,valve

Griswold Industries Dba Cla-Val Co · NSN 4820-01-145-5282 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-145-5282 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-145-5282. Primary manufacturer part number: C4758D.
Features
  • Retainer,disk,valve — FSC 4820
  • Material: COPPER ALLOY
  • Outside Diameter: 6.250 INCHES NOMINAL IN
  • Valve Size for Which Designed: 5.000 INCHES IN
  • 2 verified cross-references
  • Primary manufacturer: Griswold Industries Dba Cla-Val Co
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy construction
General Description

The Retainer,disk,valve, cataloged under National Stock Number 4820-01-145-5282, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-145-5282
Primary Part NumberC4758D
Item NameRetainer,disk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGriswold Industries Dba Cla-Val Co
StatusACTIVE
MaterialCOPPER ALLOY
Outside Diameter6.250 INCHES NOMINAL IN
Valve Size for Which Designed5.000 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5910-00-105-1838400918-13 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Raytheon Company Dba Raytheon
5342-01-086-1522903-4758 INTERCHANGEABLE
Bracket,magnetic
Honeywell International Inc. Dba Honeywell Div Aerospace -Olathe Hums Div
8415-01-431-0829C4758 INTERCHANGEABLE
Earcup,flyer's Helmet
Gentex Corp
Cross-Reference Index
Part NumberManufacturer
C4758 Griswold Industries Dba Cla-Val Co (USA)
C4758D PRIMARY Griswold Industries Dba Cla-Val Co (USA)
Related Parts
5910-00-105-1838INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
400918-13
5342-01-086-1522INTERCHANGEABLE
BRACKET,MAGNETIC
903-4758
8415-01-431-0829INTERCHANGEABLE
EARCUP,FLYER'S HELMET
C4758

Frequently Asked Questions

What is NSN 4820-01-145-5282?

NSN 4820-01-145-5282 is a Retainer,disk,valve, 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 4820-01-145-5282?

NSN 4820-01-145-5282 has 2 cross-referenced part numbers: C4758 (Griswold Industries Dba Cla-Val Co), C4758D (Griswold Industries Dba Cla-Val Co).

What NSN replaces 4820-01-145-5282?

There are 3 known substitutes for 4820-01-145-5282: 5910-00-105-1838, 5342-01-086-1522, 8415-01-431-0829. Verify interchangeability with system specifications before substitution.

What are the specifications of C4758D?

Key specifications for C4758D: Material: COPPER ALLOY; Outside Diameter: 6.250 INCHES NOMINAL IN; Special Features: 1.127 IN. CENTER STEM HOLE DIA; 1.000 IN. O/A THICKNESS IN; Valve Size for Which Designed: 5.000 INCHES IN. 4 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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