Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co. · NSN 4820-01-172-0661 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-172-0661 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-172-0661. Primary manufacturer part number: VSS-4.
4820-01-172-0661 — No Item Name Available illustration
Features
Valve,safety Relief — FSC 4820
Material: STEEL CORROSION RESISTING BODY
Thread Direction: RIGHT-HAND ALL ENDS
Operating Pressure: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE
Thread Series Designator: NPT ALL ENDS
Nominal Thread Size: 0.750 INCHES ALL ENDS IN
Connection Style: PLAIN,OPTIONAL END(PIPE) ALL ENDS
Applications
Flow control in piping systems
Pressure regulation
Steam and fluid isolation
Applications requiring Steel Corrosion Resisting Body construction
General Description
The Valve,safety Relief, cataloged under National Stock Number 4820-01-172-0661, 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 16 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
Parameter
Value
NSN
4820-01-172-0661
Primary Part Number
VSS-4
Item Name
Valve,safety Relief
FSC / FSG
4820 / 48 — No Item Name Available
Manufacturer
Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co.
Status
CANCELLED
Material
STEEL CORROSION RESISTING BODY
Thread Direction
RIGHT-HAND ALL ENDS
Operating Pressure
1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NSN 4820-01-172-0661 is a Valve,safety Relief, manufactured by Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co., classified under FSC 4820 (No Item Name Available). Status: cancelled.
What are the part numbers for NSN 4820-01-172-0661?
NSN 4820-01-172-0661 has 3 cross-referenced part numbers: VSS-4 (Ruthman Pump and Engineering Inc Dba Fulflo Specialties Co Div Fulflo Specialties Co.), 22M3-105 (Ellis & Watts International, Llc), 10328 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc).
What NSN replaces 4820-01-172-0661?
There are 12 known substitutes for 4820-01-172-0661: 2540-00-102-0150, 5910-00-191-5778, 4320-00-218-3924 and 9 more. Verify interchangeability with system specifications before substitution.
What are the specifications of VSS-4?
Key specifications for VSS-4: Material: STEEL CORROSION RESISTING BODY; Thread Direction: RIGHT-HAND ALL ENDS; Operating Pressure: 1000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE. 16 total characteristics are documented in the Federal Logistics Information System.
Is NSN 4820-01-172-0661 still in active supply?
NSN 4820-01-172-0661 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.