PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ISR-33Ring,wiper

Industrial Supplies · NSN 5330-00-571-6040 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-571-6040 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-571-6040. Primary manufacturer part number: ISR-33.
Features
  • Ring,wiper — FSC 5330
  • Outside Diameter: 3.844 INCHES NOMINAL IN
  • FSC Application Data: HYDRAULIC SYSTEM,ACFT
  • Test Data Document: 81349-MIL-S-5049 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Joint Style: DIAGONAL JOINT
  • Ring Style: CONCENTRIC
  • Material Thickness: 0.140 INCHES NOMINAL IN
  • Inside Diameter: 3.500 INCHES NOMINAL IN
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Ring,wiper, cataloged under National Stock Number 5330-00-571-6040, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Industrial Supplies. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-571-6040
Primary Part NumberISR-33
Item NameRing,wiper
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerIndustrial Supplies
StatusCANCELLED
Outside Diameter3.844 INCHES NOMINAL IN
FSC Application DataHYDRAULIC SYSTEM,ACFT
Test Data Document81349-MIL-S-5049 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Joint StyleDIAGONAL JOINT
Ring StyleCONCENTRIC
Material Thickness0.140 INCHES NOMINAL IN
Inside Diameter3.500 INCHES NOMINAL IN
Outer Edge Thickness0.109 INCHES NOMINAL IN
Cross-Sectional Shape StyleOUTSIDE GROOVED, STRAIGHT FACE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3455-00-023-4279 INTERCHANGEABLE
File,rotary
3110-00-156-1800 INTERCHANGEABLE
Bearing,ball,thrust
6625-01-374-4043G33 INTERCHANGEABLE
Meter,arbitrary Scale
Phaostron Instrument and Electronic Company
Cross-Reference Index
Part NumberManufacturer
ISR-33 Industrial Supplies (USA)
FWR-3C-33 Ace Products Co of Toledo Inc Dba Ace Products (USA)
MIL-S-5049 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
G-33 Gayle George W and Son (USA)
MIL-R-5049 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
GI 1171-33 Gad-Jets Inc Dba Associated Technical Sales (USA)
OAS-33 Greene Tweed and Co Advantec Div (USA)
MS28776M2-33 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
DRI-33 Delta Mfg and Sales Inc (USA)
SRC-33 Scrapper Rings Co Div of Roberts Tool Co (USA)
Related Parts
3455-00-023-4279INTERCHANGEABLE
FILE,ROTARY
3110-00-156-1800INTERCHANGEABLE
BEARING,BALL,THRUST
6625-01-374-4043INTERCHANGEABLE
METER,ARBITRARY SCALE
G33

Frequently Asked Questions

What is NSN 5330-00-571-6040?

NSN 5330-00-571-6040 is a Ring,wiper, manufactured by Industrial Supplies, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-571-6040?

NSN 5330-00-571-6040 has 10 cross-referenced part numbers: ISR-33 (Industrial Supplies), FWR-3C-33 (Ace Products Co of Toledo Inc Dba Ace Products), MIL-S-5049 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), G-33 (Gayle George W and Son), MIL-R-5049 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 5 more.

What NSN replaces 5330-00-571-6040?

There are 3 known substitutes for 5330-00-571-6040: 3455-00-023-4279, 3110-00-156-1800, 6625-01-374-4043. Verify interchangeability with system specifications before substitution.

What are the specifications of ISR-33?

Key specifications for ISR-33: Outside Diameter: 3.844 INCHES NOMINAL IN; FSC Application Data: HYDRAULIC SYSTEM,ACFT; Test Data Document: 81349-MIL-S-5049 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).; Joint Style: DIAGONAL JOINT. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-571-6040 still in active supply?

NSN 5330-00-571-6040 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.
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