PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9630239 CRF,4,100,F1X,NBR***FMZ2Valve,check

Dezurik, Inc. · NSN 4820-01-507-9366 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-507-9366 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-507-9366. Primary manufacturer part number: 9630239 CRF,4,100,F1X,NBR***FMZ2.
Features
  • Valve,check — FSC 4820
  • Connection Type: FLANGE ALL ENDS
  • Nominal Outside Diameter: 9.000 INCHES ALL ENDS IN
  • Material: RUBBER FLOW CONTROL DEVICE
  • Style Designator: STRAIGHT THRU FLANGED ENDS
  • Bolt Hole Nominal Diameter: 0.750 INCHES ALL ENDS IN
  • Flange Face Design: PLAIN ALL ENDS
  • Nominal Thickness: 0.9375 INCHES ALL ENDS IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Rubber Flow Control Device construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-507-9366, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Dezurik, Inc.. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-507-9366
Primary Part Number9630239 CRF,4,100,F1X,NBR***FMZ2
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerDezurik, Inc.
StatusACTIVE
Connection TypeFLANGE ALL ENDS
Nominal Outside Diameter9.000 INCHES ALL ENDS IN
MaterialRUBBER FLOW CONTROL DEVICE
Style DesignatorSTRAIGHT THRU FLANGED ENDS
Bolt Hole Nominal Diameter0.750 INCHES ALL ENDS IN
Flange Face DesignPLAIN ALL ENDS
Nominal Thickness0.9375 INCHES ALL ENDS IN
Material Document and ClassificationASTM-B584 ALLOY C92200 ASSN STD SINGLE MATERIAL RESPONSE BODY
Operating Pressure175.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which DesignedWATER-OIL-GAS SINGLE RESPONSE
Bolt Circle Nominal Diameter7.500 INCHES ALL ENDS IN
MaterialCOPPER ALLOY BODY
Bolt Hole Quantity8 ALL ENDS
Mounting PositionHORIZONTAL
Flange ShapeROUND WITH HOLES ALL ENDS
Face to Face Distance11.500 INCHES IN
Disk Loading MethodWEIGHT
Valve Size4.000 INCHES IN
Valve Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5970-00-144-7345 INTERCHANGEABLE
Insulator,plate
9320-00-191-7805X719361 DETAIL 7 INTERCHANGEABLE
Rubber Strip
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5945-00-611-401110-480 INTERCHANGEABLE
Solenoid,electrical
Rocker Solenoid Co Dba Rocker Solenoid Co
5310-00-655-741110480 INTERCHANGEABLE
Washer,flat
Naval Inventory Control Point Mechanicsburg
5220-00-898-6944 INTERCHANGEABLE
Gauge,go,nogo
5950-00-936-267310480 INTERCHANGEABLE
Coil,radio Frequency
Torotel, Inc. Div Torotel Products, Inc.
5340-01-200-140510480 INTERCHANGEABLE
Hook,screw
Hindley Manufacturing Company Inc
6650-01-223-586010480 INTERCHANGEABLE
Refractometer
Leica Inc Surveying and Photogrammetry Systems Div
5340-01-430-388610480 INTERCHANGEABLE
Handle,recess
Stefanowicz & Lutz Inc Dba Merit Metal Products Corp
1095-01-466-400310480 INTERCHANGEABLE
Case,small Arms
Doskocil Manufacturing Company Inc Div Doskocil (sporting Division)
Cross-Reference Index
Part NumberManufacturer
S-100 Apco/valve & Primer Corp (USA)
9630239 CRF,4,100,F1X,NBR***FMZ2 PRIMARY Dezurik, Inc. (USA)
104 Apco/valve & Primer Corp (USA)
104.80 Apco/valve & Primer Corp (USA)
Related Parts
5970-00-144-7345INTERCHANGEABLE
INSULATOR,PLATE
9320-00-191-7805INTERCHANGEABLE
RUBBER STRIP
X719361 DETAIL 7
5945-00-611-4011INTERCHANGEABLE
SOLENOID,ELECTRICAL
10-480
5310-00-655-7411INTERCHANGEABLE
WASHER,FLAT
10480
5220-00-898-6944INTERCHANGEABLE
GAUGE,GO,NOGO
5950-00-936-2673INTERCHANGEABLE
COIL,RADIO FREQUENCY
10480
5340-01-200-1405INTERCHANGEABLE
HOOK,SCREW
10480
6650-01-223-5860INTERCHANGEABLE
REFRACTOMETER
10480
5340-01-430-3886INTERCHANGEABLE
HANDLE,RECESS
10480
1095-01-466-4003INTERCHANGEABLE
CASE,SMALL ARMS
10480
5935-01-601-3952INTERCHANGEABLE
ADAPTER,CONNECTOR
10480
5340-01-667-2747INTERCHANGEABLE
MOUNT,RESILIENT,UTILITY
10480

Frequently Asked Questions

What is NSN 4820-01-507-9366?

NSN 4820-01-507-9366 is a Valve,check, manufactured by Dezurik, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-507-9366?

NSN 4820-01-507-9366 has 4 cross-referenced part numbers: S-100 (Apco/valve & Primer Corp), 9630239 CRF,4,100,F1X,NBR***FMZ2 (Dezurik, Inc.), 104 (Apco/valve & Primer Corp), 104.80 (Apco/valve & Primer Corp).

What NSN replaces 4820-01-507-9366?

There are 12 known substitutes for 4820-01-507-9366: 5970-00-144-7345, 9320-00-191-7805, 5945-00-611-4011 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9630239 CRF,4,100,F1X,NBR***FMZ2?

Key specifications for 9630239 CRF,4,100,F1X,NBR***FMZ2: Connection Type: FLANGE ALL ENDS; Special Features: FLAPPER IS BUNA-N RUBBER; Nominal Outside Diameter: 9.000 INCHES ALL ENDS IN; Material: RUBBER FLOW CONTROL DEVICE. 21 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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