PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

VJ-4RV 401-RCap,valve

Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co. · NSN 4820-01-432-5974 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-432-5974 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-432-5974. Primary manufacturer part number: VJ-4RV 401-R.
Features
  • Cap,valve — FSC 4820
  • Material: IRON CAST
  • Valve Model Number for Which Designed: VJ-4RV
  • Valve Type for Which Designed: RELIEF
  • Valve Size for Which Designed: 0.750 INCHES IN
  • Attachment Method: GROOVED
  • 2 verified cross-references
  • Primary manufacturer: Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co.
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Iron Cast construction
General Description

The Cap,valve, cataloged under National Stock Number 4820-01-432-5974, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co.. Government technical data includes 5 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-432-5974
Primary Part NumberVJ-4RV 401-R
Item NameCap,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerRuthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co.
StatusACTIVE
MaterialIRON CAST
Valve Model Number for Which DesignedVJ-4RV
Valve Type for Which DesignedRELIEF
Valve Size for Which Designed0.750 INCHES IN
Attachment MethodGROOVED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6640-00-176-5245 INTERCHANGEABLE
Pipetting Machine,semi-Automatic
3020-00-192-679940A1S4 INTERCHANGEABLE
Link,roller Chain
Jeffrey Chain L.p.
4730-00-278-6136 INTERCHANGEABLE
Reducer,tube
5930-00-419-7328010-1802 INTERCHANGEABLE
Switch,thermostatic
Ranco Inc Ranco Controls Div
4730-00-950-3590 INTERCHANGEABLE
Reducer,tube
4730-00-950-3592 INTERCHANGEABLE
Reducer,tube
5340-01-161-6112401R INTERCHANGEABLE
Latch Set,rim
Southern Folger Detention Equipment Company, Llc
Cross-Reference Index
Part NumberManufacturer
VJ-4RV 401-R Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co. (USA)
401-R Airline Hydraulics Corp Dba Airline Hydraulics Corp (USA)
Related Parts
6640-00-176-5245INTERCHANGEABLE
PIPETTING MACHINE,SEMI-AUTOMATIC
3020-00-192-6799INTERCHANGEABLE
LINK,ROLLER CHAIN
40A1S4
4730-00-278-6136INTERCHANGEABLE
REDUCER,TUBE
5930-00-419-7328INTERCHANGEABLE
SWITCH,THERMOSTATIC
010-1802
4730-00-950-3590INTERCHANGEABLE
REDUCER,TUBE
4730-00-950-3592INTERCHANGEABLE
REDUCER,TUBE
5340-01-161-6112INTERCHANGEABLE
LATCH SET,RIM
401R

Frequently Asked Questions

What is NSN 4820-01-432-5974?

NSN 4820-01-432-5974 is a Cap,valve, manufactured by Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-432-5974?

NSN 4820-01-432-5974 has 2 cross-referenced part numbers: VJ-4RV 401-R (Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co.), 401-R (Airline Hydraulics Corp Dba Airline Hydraulics Corp).

What NSN replaces 4820-01-432-5974?

There are 7 known substitutes for 4820-01-432-5974: 6640-00-176-5245, 3020-00-192-6799, 4730-00-278-6136 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of VJ-4RV 401-R?

Key specifications for VJ-4RV 401-R: Material: IRON CAST; Valve Model Number for Which Designed: VJ-4RV; End Item Identification: STRATEGIC SEALIFT CONVERSION SHIPS CLASS; Valve Type for Which Designed: RELIEF. 6 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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