PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FIG.111XValve,safety Relief

F.c.kingston Co. Dba Storm Manufacturing · NSN 4820-01-286-2325 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-286-2325 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-286-2325. Primary manufacturer part number: FIG.111X.
Features
  • Valve,safety Relief — FSC 4820
  • Supplementary Features: APPL TO INLET MANIFOLD ASSEMBLY
  • Disk Loading Method: SPRING
  • Thread Direction: RIGHT-HAND FIRST END
  • Material: COPPER ALLOY BODY
  • Nominal Thread Size: 0.250 INCHES FIRST END IN
  • Flow Control Device: BALL
  • Thread Series Designator: NPT FIRST END
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-286-2325, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is F.c.kingston Co. Dba Storm Manufacturing. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-286-2325
Primary Part NumberFIG.111X
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerF.c.kingston Co. Dba Storm Manufacturing
StatusACTIVE
Supplementary FeaturesAPPL TO INLET MANIFOLD ASSEMBLY
Disk Loading MethodSPRING
Thread DirectionRIGHT-HAND FIRST END
MaterialCOPPER ALLOY BODY
Nominal Thread Size0.250 INCHES FIRST END IN
Flow Control DeviceBALL
Thread Series DesignatorNPT FIRST END
Valve Operation MethodAUTOMATIC
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Connection StylePLAIN (PIPE) FIRST END
Style DesignatorANGLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4610-00-005-503022C1234-2 INTERCHANGEABLE
Cartridge,water Demineralizer,io
L3harris Maritime Power & Energy Solutions, Inc
3110-00-156-474111989A INTERCHANGEABLE
Bearing,ball,annular
Brinkley Technology Group Llc Dba Hercules Manufacturing
3110-00-554-3411 INTERCHANGEABLE
Bearing,ball,annular
5895-00-997-166660-0040 INTERCHANGEABLE
Decoder Subassembly
L3harris Interstate Electronics Corporation
3456-01-425-7860 INTERCHANGEABLE
Expander,tube
6750-01-427-5693 INTERCHANGEABLE
Film,photographic
4820-01-473-172260-0040 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Parker Hannifin Corporation Div Village Marine Tech
5310-01-496-0262600040 INTERCHANGEABLE
Washer,spring Tension
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
Cross-Reference Index
Part NumberManufacturer
600040 Cv International, Inc. (USA)
600040 Regent Aviation Services Pty Ltd (AUS)
FIG.111X PRIMARY F.c.kingston Co. Dba Storm Manufacturing (USA)
8771816-1 San Antonio Air Logistics Center (USA)
Related Parts
4610-00-005-5030INTERCHANGEABLE
CARTRIDGE,WATER DEMINERALIZER,IO
22C1234-2
3110-00-156-4741INTERCHANGEABLE
BEARING,BALL,ANNULAR
11989A
3110-00-554-3411INTERCHANGEABLE
BEARING,BALL,ANNULAR
5895-00-997-1666INTERCHANGEABLE
DECODER SUBASSEMBLY
60-0040
3456-01-425-7860INTERCHANGEABLE
EXPANDER,TUBE
6750-01-427-5693INTERCHANGEABLE
FILM,PHOTOGRAPHIC
4820-01-473-1722INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
60-0040
5310-01-496-0262INTERCHANGEABLE
WASHER,SPRING TENSION
600040

Frequently Asked Questions

What is NSN 4820-01-286-2325?

NSN 4820-01-286-2325 is a Valve,safety Relief, manufactured by F.c.kingston Co. Dba Storm Manufacturing, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-286-2325?

NSN 4820-01-286-2325 has 4 cross-referenced part numbers: 600040 (Cv International, Inc.), 600040 (Regent Aviation Services Pty Ltd), FIG.111X (F.c.kingston Co. Dba Storm Manufacturing), 8771816-1 (San Antonio Air Logistics Center).

What NSN replaces 4820-01-286-2325?

There are 8 known substitutes for 4820-01-286-2325: 4610-00-005-5030, 3110-00-156-4741, 3110-00-554-3411 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FIG.111X?

Key specifications for FIG.111X: Supplementary Features: APPL TO INLET MANIFOLD ASSEMBLY; Disk Loading Method: SPRING; Thread Direction: RIGHT-HAND FIRST END; Material: COPPER ALLOY BODY. 13 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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