PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FIG10 ITEM 3-3Valve,check

Waste Control Systems, Inc. Dba Waste Control Systems Inc · NSN 4820-01-520-7125 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-520-7125 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-520-7125. Primary manufacturer part number: FIG10 ITEM 3-3.
Features
  • Valve,check — FSC 4820
  • Disk Loading Method: SPRING
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE
  • Flow Control Device: DISK
  • 2 verified cross-references
  • Primary manufacturer: Waste Control Systems, Inc. Dba Waste Control Systems Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Plastic Polytetrafluoroethylene Flow Control Device construction
General Description

The Valve,check, cataloged under National Stock Number 4820-01-520-7125, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Waste Control Systems, Inc. Dba Waste Control Systems Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-520-7125
Primary Part NumberFIG10 ITEM 3-3
Item NameValve,check
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerWaste Control Systems, Inc. Dba Waste Control Systems Inc
StatusACTIVE
Disk Loading MethodSPRING
MaterialPLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE
Flow Control DeviceDISK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3439-00-078-3058 INTERCHANGEABLE
Soldering Iron,electric
5815-00-162-07307070 INTERCHANGEABLE
Ribbon Feed
Telemechanics Inc
3040-00-311-211409-0704 INTERCHANGEABLE
Lever,manual Control
Trailer Component Manufacturing Inc.
4030-00-404-18547070B INTERCHANGEABLE
Clamp,line,sliding Grip
Spencer Industries Inc
5320-01-210-14497070 INTERCHANGEABLE
Rivet
Kelly Industries Inc Dba Kelly Klosure Systems
8040-01-262-8387 INTERCHANGEABLE
Adhesive
6750-01-363-90807070 INTERCHANGEABLE
Post Sealing Treatment,photograp
Horizons Incorporated Div Imaging Systems Group
7930-01-423-011720162 INTERCHANGEABLE
Cleaning Compound,solvent-Deterg
Loctite Corp
4820-01-437-9021 INTERCHANGEABLE
Valve,regulating,fluid Pressure
6250-01-521-682070-70 INTERCHANGEABLE
Ballast,lamp
Day-Ray Products, Inc
Cross-Reference Index
Part NumberManufacturer
7070 Waste Control Systems, Inc. Dba Waste Control Systems Inc (USA)
FIG10 ITEM 3-3 PRIMARY Waste Control Systems, Inc. Dba Waste Control Systems Inc (USA)
Related Parts
3439-00-078-3058INTERCHANGEABLE
SOLDERING IRON,ELECTRIC
5815-00-162-0730INTERCHANGEABLE
RIBBON FEED
7070
3040-00-311-2114INTERCHANGEABLE
LEVER,MANUAL CONTROL
09-0704
4030-00-404-1854INTERCHANGEABLE
CLAMP,LINE,SLIDING GRIP
7070B
5320-01-210-1449INTERCHANGEABLE
RIVET
7070
8040-01-262-8387INTERCHANGEABLE
ADHESIVE
6750-01-363-9080INTERCHANGEABLE
POST SEALING TREATMENT,PHOTOGRAP
7070
7930-01-423-0117INTERCHANGEABLE
CLEANING COMPOUND,SOLVENT-DETERG
20162
4820-01-437-9021INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
6250-01-521-6820INTERCHANGEABLE
BALLAST,LAMP
70-70
7025-01-664-0656INTERCHANGEABLE
INTERFACE UNIT,DATA TRANSFER
7070

Frequently Asked Questions

What is NSN 4820-01-520-7125?

NSN 4820-01-520-7125 is a Valve,check, manufactured by Waste Control Systems, Inc. Dba Waste Control Systems Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-520-7125?

NSN 4820-01-520-7125 has 2 cross-referenced part numbers: 7070 (Waste Control Systems, Inc. Dba Waste Control Systems Inc), FIG10 ITEM 3-3 (Waste Control Systems, Inc. Dba Waste Control Systems Inc).

What NSN replaces 4820-01-520-7125?

There are 11 known substitutes for 4820-01-520-7125: 3439-00-078-3058, 5815-00-162-0730, 3040-00-311-2114 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FIG10 ITEM 3-3?

Key specifications for FIG10 ITEM 3-3: Disk Loading Method: SPRING; End Item Identification: AEROSOL VALVE PUNCTURING DEVICE SYSTEM; Material: PLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE; Flow Control Device: DISK. 4 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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