PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40631Valve,check

Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. · NSN 4820-00-383-4667 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-383-4667 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-383-4667. Primary manufacturer part number: 40631.
Features
  • Valve,check — FSC 4820
  • Style Designator: TEE
  • Flow Control Device: BALL
  • Material: STEEL OVERALL
  • Nominal Thread Size: 0.125 INCHES ALL ENDS IN
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Mounting Position: VERTICAL
  • Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Overall construction
General Description

The Valve,check, cataloged under National Stock Number 4820-00-383-4667, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.. Government technical data includes 11 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-383-4667
Primary Part Number40631
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
StatusCANCELLED
Style DesignatorTEE
Flow Control DeviceBALL
MaterialSTEEL OVERALL
Nominal Thread Size0.125 INCHES ALL ENDS IN
Thread DirectionRIGHT-HAND ALL ENDS
Mounting PositionVERTICAL
Connection StylePLAIN, OPTIONAL END (PIPE) ALL ENDS
Disk Loading MethodWEIGHT
Thread Series DesignatorNPT ALL ENDS
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Valve Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5305-00-045-8338 INTERCHANGEABLE
Screw,machine
5935-00-058-49021024429 INTERCHANGEABLE
Connector,plug,electrical
Lockheed Martin Corporation Div Rms - Mitchel Field
3020-00-270-836440631 INTERCHANGEABLE
Gear,helical
L3harris Technologies, Inc Div Space & Airborne Systems
5120-00-293-3480 INTERCHANGEABLE
Pliers
5950-00-930-4702SM-C-583189 INTERCHANGEABLE
Reactor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4720-00-936-358989503 INTERCHANGEABLE
Hose Assembly,nonmetallic
Whirlpool Corp Dba Whirlpool Corp
6680-01-098-968040631 INTERCHANGEABLE
Transmitter,liquid Quantity
Setra Systems, Inc. Dba Gems Sensors
3110-01-191-680440631 INTERCHANGEABLE
Bearing,roller,cylindrical
Skf Usa Inc.
4810-01-526-152881339-1 INTERCHANGEABLE
Valve,solenoid
Curtiss-Wright Controls Integrated Sensing, Inc.
6515-01-594-0871040 631 INTERCHANGEABLE
Terminal,special Purpose
Midmark Corporation Dba Midmark Corp
Cross-Reference Index
Part NumberManufacturer
40631 Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp. (USA)
81339 Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group (USA)
81339 Paccar Winch Inc Dba Paccar Winch Division (USA)
Related Parts
5305-00-045-8338INTERCHANGEABLE
SCREW,MACHINE
5935-00-058-4902INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
1024429
3020-00-270-8364INTERCHANGEABLE
GEAR,HELICAL
40631
5120-00-293-3480INTERCHANGEABLE
PLIERS
5950-00-930-4702INTERCHANGEABLE
REACTOR
SM-C-583189
4720-00-936-3589INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
89503
6680-01-098-9680INTERCHANGEABLE
TRANSMITTER,LIQUID QUANTITY
40631
3110-01-191-6804INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
40631
4810-01-526-1528INTERCHANGEABLE
VALVE,SOLENOID
81339-1
6515-01-594-0871INTERCHANGEABLE
TERMINAL,SPECIAL PURPOSE
040 631

Frequently Asked Questions

What is NSN 4820-00-383-4667?

NSN 4820-00-383-4667 is a Valve,check, manufactured by Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp., classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-383-4667?

NSN 4820-00-383-4667 has 3 cross-referenced part numbers: 40631 (Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.), 81339 (Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group), 81339 (Paccar Winch Inc Dba Paccar Winch Division).

What NSN replaces 4820-00-383-4667?

There are 10 known substitutes for 4820-00-383-4667: 5305-00-045-8338, 5935-00-058-4902, 3020-00-270-8364 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40631?

Key specifications for 40631: Style Designator: TEE; Flow Control Device: BALL; Material: STEEL OVERALL; Nominal Thread Size: 0.125 INCHES ALL ENDS IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-383-4667 still in active supply?

NSN 4820-00-383-4667 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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