PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11241418-6Valve,restrictor Check

Ballistic Missile Defense Systems Command · NSN 4820-00-106-2056 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-106-2056 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-106-2056. Primary manufacturer part number: 11241418-6.
Features
  • Valve,restrictor Check — FSC 4820
  • Media for Which Designed: WATER, FRESH SINGLE RESPONSE
  • Material: COPPER ALLOY BODY
  • Nominal Thread Size: 0.750 INCHES ALL ENDS IN
  • Style Designator: STRAIGHT THRU
  • Operating Pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS
  • Thread Direction: RIGHT-HAND ALL ENDS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,restrictor Check, cataloged under National Stock Number 4820-00-106-2056, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ballistic Missile Defense Systems Command. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-106-2056
Primary Part Number11241418-6
Item NameValve,restrictor Check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBallistic Missile Defense Systems Command
StatusACTIVE
Media for Which DesignedWATER, FRESH SINGLE RESPONSE
MaterialCOPPER ALLOY BODY
Nominal Thread Size0.750 INCHES ALL ENDS IN
Style DesignatorSTRAIGHT THRU
Operating Pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Connection StylePLAIN, OPTIONAL END (PIPE) ALL ENDS
Thread DirectionRIGHT-HAND ALL ENDS
Disk Loading MethodSPRING
Thread Series DesignatorNPT ALL ENDS
Flow Control DeviceDISK
Maximum Operating Temp160.0 FAHRENHEIT SINGLE RESPONSE DEGF
Valve Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5930-00-240-359910G INTERCHANGEABLE
Switch,foot
Electro-Mechano Inc. Dba E M Instruments Div
6210-00-248-158410G110RED INTERCHANGEABLE
Light,indicator
Chicago Miniature Lighting Llc Dba Chicago Miniature Optoelectron
6210-00-497-2124 INTERCHANGEABLE
Filter,indicator Light
Cross-Reference Index
Part NumberManufacturer
11241418-6 Ballistic Missile Defense Systems Command (USA)
10G Eaton Corp Controls Div (USA)
Related Parts
5930-00-240-3599INTERCHANGEABLE
SWITCH,FOOT
10G
6210-00-248-1584INTERCHANGEABLE
LIGHT,INDICATOR
10G110RED
6210-00-497-2124INTERCHANGEABLE
FILTER,INDICATOR LIGHT

Frequently Asked Questions

What is NSN 4820-00-106-2056?

NSN 4820-00-106-2056 is a Valve,restrictor Check, manufactured by Ballistic Missile Defense Systems Command, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-106-2056?

NSN 4820-00-106-2056 has 2 cross-referenced part numbers: 11241418-6 (Ballistic Missile Defense Systems Command), 10G (Eaton Corp Controls Div).

What NSN replaces 4820-00-106-2056?

There are 3 known substitutes for 4820-00-106-2056: 5930-00-240-3599, 6210-00-248-1584, 6210-00-497-2124. Verify interchangeability with system specifications before substitution.

What are the specifications of 11241418-6?

Key specifications for 11241418-6: Media for Which Designed: WATER, FRESH SINGLE RESPONSE; Material: COPPER ALLOY BODY; Nominal Thread Size: 0.750 INCHES ALL ENDS IN; Style Designator: STRAIGHT THRU. 12 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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