PartsTable TECHNICAL DATA SHEET
SEPTEMBER 2026Technical Data Sheet

300-1 1/4Valve,check

Strataflo Products, Inc · NSN 4820-01-574-9497 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-574-9497 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-574-9497. Primary manufacturer part number: 300-1 1/4.
Features
  • Valve,check — FSC 4820
  • Style Designator: STRAIGHT THRU
  • Media for Which Designed: WATER, FRESH FIRST RESPONSE
  • Media for Which Designed: ETHYLENE GLYCOL SECOND RESPONSE
  • Material: RUBBER BUTADIENE-STYRENE CLASS SBR FLOW CONTROL DEVICE
  • Maximum Operating Temp: 225.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Connection Type: THREADED EXTERNAL PIPE ALL ENDS
  • Flow Control Device: POPPET
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Butadiene-Styrene Class Sbr Flow Control Device construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-574-9497, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Strataflo Products, Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the government interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-574-9497
Primary Part Number300-1 1/4
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerStrataflo Products, Inc
StatusACTIVE
Style DesignatorSTRAIGHT THRU
Media for Which DesignedWATER, FRESH FIRST RESPONSE
Media for Which DesignedETHYLENE GLYCOL SECOND RESPONSE
MaterialRUBBER BUTADIENE-STYRENE CLASS SBR FLOW CONTROL DEVICE
Maximum Operating Temp225.0 FAHRENHEIT SINGLE RESPONSE DEGF
Connection TypeTHREADED EXTERNAL PIPE ALL ENDS
Flow Control DevicePOPPET
Valve Size2.410 INCHES IN
MaterialCOPPER ALLOY STEM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
⇄ Verified Substitutes 9
6680-00-942-1756300114 INTERCHANGEABLE
Overhaul Kit
Simmonds Precision Products Inc
5930-01-047-8920460-1301-01 INTERCHANGEABLE
Switch,thermostatic
Raytheon Company Dba Raytheon Co
4730-01-048-96163001-14 INTERCHANGEABLE
Restrictor,fluid Flow
Pentair Filtration Solutions, Llc
5340-01-051-5146A000151786001 INTERCHANGEABLE
Cover,access
Hydratight Operations Inc
4320-01-156-8292300114 INTERCHANGEABLE
Parts Kit,hydraulic Pump
Spx Fluid Power
1650-01-342-2950300-114 INTERCHANGEABLE
Filter,fluid
Donaldson Company, Inc.
5330-01-371-9733300-1 1/4 INTERCHANGEABLE
Gasket
American Packing and Gasket Co
6510-01-631-191330-0114 INTERCHANGEABLE
Dressing,burn,first Aid
North American Rescue, Llc
5325-01-697-1570406965 INTERCHANGEABLE
Ring,retaining
Parker-Hannifin Corporation Div Hydraulic Accumulator Division
Cross-Reference Index
Part NumberManufacturer
300-1 1/4 PRIMARY Strataflo Products, Inc (USA)
Related Parts
6680-00-942-1756INTERCHANGEABLE
OVERHAUL KIT
300114
5930-01-047-8920INTERCHANGEABLE
SWITCH,THERMOSTATIC
460-1301-01
4730-01-048-9616INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
3001-14
5340-01-051-5146INTERCHANGEABLE
COVER,ACCESS
A000151786001
4320-01-156-8292INTERCHANGEABLE
PARTS KIT,HYDRAULIC PUMP
300114
1650-01-342-2950INTERCHANGEABLE
FILTER,FLUID
300-114
5330-01-371-9733INTERCHANGEABLE
GASKET
300-1 1/4
6510-01-631-1913INTERCHANGEABLE
DRESSING,BURN,FIRST AID
30-0114
5325-01-697-1570INTERCHANGEABLE
RING,RETAINING
406965

Frequently Asked Questions

What is NSN 4820-01-574-9497?

NSN 4820-01-574-9497 is a Valve,check, manufactured by Strataflo Products, Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-574-9497?

NSN 4820-01-574-9497 has 1 cross-referenced part number: 300-1 1/4 (Strataflo Products, Inc).

What NSN replaces 4820-01-574-9497?

There are 9 known substitutes for 4820-01-574-9497: 6680-00-942-1756, 5930-01-047-8920, 4730-01-048-9616 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 300-1 1/4?

Key specifications for 300-1 1/4: Style Designator: STRAIGHT THRU; Media for Which Designed: WATER, FRESH FIRST RESPONSE; Media for Which Designed: ETHYLENE GLYCOL SECOND RESPONSE; Material: RUBBER BUTADIENE-STYRENE CLASS SBR FLOW CONTROL DEVICE. 10 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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