PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

OAS-25Ring,wiper

Greene Tweed and Co Advantec Div · NSN 5330-00-640-8535 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-640-8535 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-640-8535. Primary manufacturer part number: OAS-25.
Features
  • Ring,wiper — FSC 5330
  • Inside Diameter: 2.500 INCHES NOMINAL IN
  • 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.).
  • FSC Application Data: HYDRAULIC SYSTEM,ACFT
  • Joint Style: DIAGONAL JOINT
  • Ring Style: CONCENTRIC
  • Outer Edge Thickness: 0.094 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: OUTSIDE GROOVED, STRAIGHT FACE
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Ring,wiper, cataloged under National Stock Number 5330-00-640-8535, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Greene Tweed and Co Advantec Div. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5330-00-640-8535
Primary Part NumberOAS-25
Item NameRing,wiper
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerGreene Tweed and Co Advantec Div
StatusCANCELLED
Inside Diameter2.500 INCHES NOMINAL IN
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.).
FSC Application DataHYDRAULIC SYSTEM,ACFT
Joint StyleDIAGONAL JOINT
Ring StyleCONCENTRIC
Outer Edge Thickness0.094 INCHES NOMINAL IN
Cross-Sectional Shape StyleOUTSIDE GROOVED, STRAIGHT FACE
Outside Diameter2.782 INCHES NOMINAL IN
Material Thickness0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6640-00-507-5517G25 INTERCHANGEABLE
Shaking Machine,laboratory
New Brunswick Tool and Die Co
5950-00-591-9769G25 INTERCHANGEABLE
Transformer,audio Frequency
Magnetek Inc Lighting Products Group
5330-00-651-8865G25 INTERCHANGEABLE
Packing,glass Gage
Clark-Reliance Llc Dba Jerguson Gage & Valve
6685-00-737-3826AU2525R INTERCHANGEABLE
Thermometer,indicating,capillary
Ametek, Inc. Div Aerospace & Defense
4930-01-103-8209G25 INTERCHANGEABLE
Adapter,grease Gun Coupling
Weems Industries, Inc. Dba Weems Industries Inc
2590-01-129-51705356793 INTERCHANGEABLE
Cap,filler Opening
Am General Llc
4520-01-131-2941 INTERCHANGEABLE
Heating Element,electrical,nonim
6665-01-282-9954TE-5025 INTERCHANGEABLE
Calibration Kit
General Metal Works Inc Sub of Andersen Samplers Inc
6210-01-348-3133VPGL2-GRPL INTERCHANGEABLE
Globe,electric Light
Egs Electrical Group Appleton Div
6140-01-356-5925G-25 INTERCHANGEABLE
Battery,storage
Teledyne Technologies Incorporated Dba Teledyne Battery Products Div Teledyne Battery Products
Cross-Reference Index
Part NumberManufacturer
OAS-25 Greene Tweed and Co Advantec Div (USA)
DRI-25 Delta Mfg and Sales Inc (USA)
MIL-R-5049 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-S-5049 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
GI1171-25 Gad-Jets Inc Dba Associated Technical Sales (USA)
FWR-3C-25 Ace Products Co of Toledo Inc Dba Ace Products (USA)
MS28776M2-25 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
ISR-25 Industrial Supplies (USA)
G-25 Gayle George W and Son (USA)
SRC-25 Scrapper Rings Co Div of Roberts Tool Co (USA)
Related Parts
6640-00-507-5517INTERCHANGEABLE
SHAKING MACHINE,LABORATORY
G25
5950-00-591-9769INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
G25
5330-00-651-8865INTERCHANGEABLE
PACKING,GLASS GAGE
G25
6685-00-737-3826INTERCHANGEABLE
THERMOMETER,INDICATING,CAPILLARY
AU2525R
4930-01-103-8209INTERCHANGEABLE
ADAPTER,GREASE GUN COUPLING
G25
2590-01-129-5170INTERCHANGEABLE
CAP,FILLER OPENING
5356793
4520-01-131-2941INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
6665-01-282-9954INTERCHANGEABLE
CALIBRATION KIT
TE-5025
6210-01-348-3133INTERCHANGEABLE
GLOBE,ELECTRIC LIGHT
VPGL2-GRPL
6140-01-356-5925INTERCHANGEABLE
BATTERY,STORAGE
G-25
5325-01-385-0639INTERCHANGEABLE
INSERT,PANEL FASTENER
G25
6620-01-449-2730INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
G2.5-300

Frequently Asked Questions

What is NSN 5330-00-640-8535?

NSN 5330-00-640-8535 is a Ring,wiper, manufactured by Greene Tweed and Co Advantec Div, classified under FSC 5330 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5330-00-640-8535?

NSN 5330-00-640-8535 has 10 cross-referenced part numbers: OAS-25 (Greene Tweed and Co Advantec Div), DRI-25 (Delta Mfg and Sales Inc), MIL-R-5049 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-S-5049 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), GI1171-25 (Gad-Jets Inc Dba Associated Technical Sales) and 5 more.

What NSN replaces 5330-00-640-8535?

There are 12 known substitutes for 5330-00-640-8535: 6640-00-507-5517, 5950-00-591-9769, 5330-00-651-8865 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of OAS-25?

Key specifications for OAS-25: Inside Diameter: 2.500 INCHES NOMINAL IN; 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.).; FSC Application Data: HYDRAULIC SYSTEM,ACFT; Joint Style: DIAGONAL JOINT. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5330-00-640-8535 still in active supply?

NSN 5330-00-640-8535 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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