PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

488-3-8Valve,gate

United Catalysts Inc · NSN 4820-00-818-1272 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-818-1272 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-818-1272. Primary manufacturer part number: 488-3-8.
Features
  • Valve,gate — FSC 4820
  • Stem Type: RISING
  • Connection Type: THREADED INTERNAL PIPE
  • Nominal Thread Size: 0.375 INCHES IN
  • Thread Series Designator: NPT
  • Operating Pressure and Type: 150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 225.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
  • Material: STEEL STEM
  • Material Document and Classification: ASTM A126-61T,CL A ASSN STD SINGLE MATERIAL RESPONSE SEAT
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Stem construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-00-818-1272, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is United Catalysts Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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
NSN4820-00-818-1272
Primary Part Number488-3-8
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerUnited Catalysts Inc
StatusCANCELLED
Stem TypeRISING
Connection TypeTHREADED INTERNAL PIPE
Nominal Thread Size0.375 INCHES IN
Thread Series DesignatorNPT
Operating Pressure and Type150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 225.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
MaterialSTEEL STEM
Material Document and ClassificationASTM A126-61T,CL A ASSN STD SINGLE MATERIAL RESPONSE SEAT
Valve Operation MethodMANUAL
MaterialSTEEL DISK
Features ProvidedBONNET PACKING
Bonnet Attachment MethodU-BOLT
MaterialIRON CAST SEAT
Bonnet TypeINSIDE SCREW
Material Document and ClassificationASTM A126-61T,CL A ASSN STD SINGLE MATERIAL RESPONSE BODY
MaterialIRON CAST BODY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-108-3813G1108KLLB+COLFS381A INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
3020-00-110-397240A-3210W INTERCHANGEABLE
Sprocket Wheel
Eriez Magnetics
2810-00-118-438848838 INTERCHANGEABLE
Bracket Assy
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5945-00-225-545340A INTERCHANGEABLE
Chopper,electronic
Sensata Technologies Maryland, Inc
4820-00-287-31933-9-3V INTERCHANGEABLE
Valve,gate
Gas Equipment Engineering Corporation, the Dba Geeco
5330-00-349-814640A INTERCHANGEABLE
Gasket
Wakmann Watch Company Inc
4820-00-428-30944027V4D INTERCHANGEABLE
Valve,gate
United Catalysts Inc
5120-00-449-8141 INTERCHANGEABLE
Wrench,open End
6240-00-797-900040A115V INTERCHANGEABLE
Lamp,incandescent
Lamp Industry for Use with Industry Designations and Abbreviations for Lamps
4820-00-835-0580 INTERCHANGEABLE
Valve,gate
Cross-Reference Index
Part NumberManufacturer
488-3-8 PRIMARY United Catalysts Inc (USA)
488-3-8 PRIMARY Crane Co Div Valve Div (USA)
40A Jenkins Bros (USA)
Related Parts
3110-00-108-3813INTERCHANGEABLE
BEARING,BALL,ANNULAR
G1108KLLB+COLFS381A
3020-00-110-3972INTERCHANGEABLE
SPROCKET WHEEL
40A-3210W
2810-00-118-4388INTERCHANGEABLE
BRACKET ASSY
48838
5945-00-225-5453INTERCHANGEABLE
CHOPPER,ELECTRONIC
40A
4820-00-287-3193INTERCHANGEABLE
VALVE,GATE
3-9-3V
5330-00-349-8146INTERCHANGEABLE
GASKET
40A
4820-00-428-3094INTERCHANGEABLE
VALVE,GATE
4027V4D
5120-00-449-8141INTERCHANGEABLE
WRENCH,OPEN END
6240-00-797-9000INTERCHANGEABLE
LAMP,INCANDESCENT
40A115V
4820-00-835-0580INTERCHANGEABLE
VALVE,GATE
4820-00-838-2274INTERCHANGEABLE
VALVE,GATE
8125-00-933-4414INTERCHANGEABLE
BOTTLE,SCREW CAP
986590

Frequently Asked Questions

What is NSN 4820-00-818-1272?

NSN 4820-00-818-1272 is a Valve,gate, manufactured by United Catalysts Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-818-1272?

NSN 4820-00-818-1272 has 3 cross-referenced part numbers: 488-3-8 (United Catalysts Inc), 488-3-8 (Crane Co Div Valve Div), 40A (Jenkins Bros).

What NSN replaces 4820-00-818-1272?

There are 12 known substitutes for 4820-00-818-1272: 3110-00-108-3813, 3020-00-110-3972, 2810-00-118-4388 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 488-3-8?

Key specifications for 488-3-8: Stem Type: RISING; Connection Type: THREADED INTERNAL PIPE; Special Features: 0.375 IN. PIPE SIZE;R.H. THD IN; Nominal Thread Size: 0.375 INCHES IN. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-818-1272 still in active supply?

NSN 4820-00-818-1272 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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