PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

0605 SZ 1/4 INValve,check

Fairbanks Co the · NSN 4820-00-446-3508 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-446-3508 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-446-3508. Primary manufacturer part number: 0605 SZ 1/4 IN.
Features
  • Valve,check — FSC 4820
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Material: COPPER ALLOY 922 BODY
  • Material Document and Classification: ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY
  • Operating Pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
  • Operating Pressure: 200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
  • Media for Which Designed: STEAM FIRST RESPONSE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy 922 Body construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-446-3508, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Fairbanks Co the. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 38 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-446-3508
Primary Part Number0605 SZ 1/4 IN
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFairbanks Co the
StatusCANCELLED
Thread DirectionRIGHT-HAND ALL ENDS
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
MaterialCOPPER ALLOY 922 BODY
Material Document and ClassificationASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY
Operating Pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
Operating Pressure200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
Media for Which DesignedSTEAM FIRST RESPONSE
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Style DesignatorSTRAIGHT THRU
Thread Series DesignatorNPT ALL ENDS
Mounting PositionHORIZONTAL
Flow Control DeviceDISK
Maximum Operating Temp150.0 FAHRENHEIT SECOND RESPONSE DEGF
Connection StylePLAIN, OPTIONAL END (PIPE) ALL ENDS
MaterialCOPPER ALLOY 314 FLOW CONTROL DEVICE
Nominal Thread Size0.250 INCHES ALL ENDS IN
Valve Operation MethodAUTOMATIC
Maximum Operating Temp550.0 FAHRENHEIT FIRST RESPONSE DEGF
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5905-00-100-49120605 INTERCHANGEABLE
Resistor,fixed,wire Wound
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5910-00-112-700202665P INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Ricoh Americas Corporation
3110-00-144-898810-16666 INTERCHANGEABLE
Bearing,ball,annular
Precision Aerospace Corporation Dba Precision Engine Control
4820-00-203-36700605 SZ 1 IN INTERCHANGEABLE
Valve,check
Fairbanks Co the
3020-00-231-873141CL INTERCHANGEABLE
Link,roller Chain
Rexnord Holdings Inc
5940-00-259-8703762A INTERCHANGEABLE
Terminal,stud
Winchester Interconnect Corporation Dba Winchester Interconnect Div Winchester Interconnect
4820-00-287-51510605 SZ 3/4 IN INTERCHANGEABLE
Valve,check
Fairbanks Co the
4820-00-288-70660605 SZ 1/2 IN INTERCHANGEABLE
Valve,check
Fairbanks Co the
4820-00-446-35050605 SZ 1 1/4 IN INTERCHANGEABLE
Valve,check
Fairbanks Co the
3455-00-516-3154450H INTERCHANGEABLE
Reamer,machine
Wayne Tool Company
Cross-Reference Index
Part NumberManufacturer
3-1425APC54 Aqua-Chem Inc Cleaver-Brooks Div (USA)
940-142 Aqua-Chem Inc Cleaver-Brooks Div (USA)
0605 Fairbanks Co the (USA)
420 The Walworth Company (USA)
3-858HPC54 Aqua-Chem Inc Cleaver-Brooks Div (USA)
762A Jenkins Bros (USA)
3-1446CPC67 Aqua-Chem Inc Cleaver-Brooks Div (USA)
201 Conbraco Industries Inc R-P and C Valve Div (USA)
554 1-4 Kersey / American Lafrance a Div of Figgie International Inc (USA)
254 Kennedy Valve Div of Itt Grinnell Valve Co Inc (USA)
FIG 762-A SIZE 1/4 IN Jenkins Bros (USA)
3-1856BPC58 Aqua-Chem Inc Cleaver-Brooks Div (USA)
940-142 Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA)
3-1425BPC54 Aqua-Chem Inc Cleaver-Brooks Div (USA)
3-1569APC49 Aqua-Chem Inc Cleaver-Brooks Div (USA)
0605 SZ 1/4 IN PRIMARY Fairbanks Co the (USA)
236 Lunkenheimer Co (USA)
3-1394DPC60 Aqua-Chem Inc Cleaver-Brooks Div (USA)
3-858PC54 Aqua-Chem Inc Cleaver-Brooks Div (USA)
3-1569BPC49 Aqua-Chem Inc Cleaver-Brooks Div (USA)
Related Parts
5905-00-100-4912INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
0605
5910-00-112-7002INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
02665P
3110-00-144-8988INTERCHANGEABLE
BEARING,BALL,ANNULAR
10-16666
4820-00-203-3670INTERCHANGEABLE
VALVE,CHECK
0605 SZ 1 IN
3020-00-231-8731INTERCHANGEABLE
LINK,ROLLER CHAIN
41CL
5940-00-259-8703INTERCHANGEABLE
TERMINAL,STUD
762A
4820-00-287-5151INTERCHANGEABLE
VALVE,CHECK
0605 SZ 3/4 IN
4820-00-288-7066INTERCHANGEABLE
VALVE,CHECK
0605 SZ 1/2 IN
4820-00-446-3505INTERCHANGEABLE
VALVE,CHECK
0605 SZ 1 1/4 IN
3455-00-516-3154INTERCHANGEABLE
REAMER,MACHINE
450H
5365-00-853-5774INTERCHANGEABLE
SHIM
B3-38
5860-01-049-4778INTERCHANGEABLE
TUBE PLASMA

Frequently Asked Questions

What is NSN 4820-00-446-3508?

NSN 4820-00-446-3508 is a Valve,check, manufactured by Fairbanks Co the, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-446-3508?

NSN 4820-00-446-3508 has 38 cross-referenced part numbers: 3-1425APC54 (Aqua-Chem Inc Cleaver-Brooks Div), 940-142 (Aqua-Chem Inc Cleaver-Brooks Div), 0605 (Fairbanks Co the), 420 (The Walworth Company), 3-858HPC54 (Aqua-Chem Inc Cleaver-Brooks Div) and 33 more.

What NSN replaces 4820-00-446-3508?

There are 12 known substitutes for 4820-00-446-3508: 5905-00-100-4912, 5910-00-112-7002, 3110-00-144-8988 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 0605 SZ 1/4 IN?

Key specifications for 0605 SZ 1/4 IN: Thread Direction: RIGHT-HAND ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Material: COPPER ALLOY 922 BODY; Material Document and Classification: ASTM B-61 ASSN STD SINGLE MATERIAL RESPONSE BODY. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-446-3508 still in active supply?

NSN 4820-00-446-3508 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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