PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M83248/1-251O-Ring

Sae International Dba Sae International · NSN 5331-00-165-1966 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-165-1966 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-165-1966. Primary manufacturer part number: M83248/1-251.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 5.344 INCHES MINIMUM AND 5.430 INCHES MAXIMUM IN
  • Elongation Percentage: 125 MAXIMUM
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Temp Rating: -15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
  • Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
  • Center Hole Diameter: 5.074 INCHES MINIMUM AND 5.144 INCHES MAXIMUM IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Fluorocarbon Class Fpm construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-165-1966, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 25 commercial cross-references from 8 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
NSN5331-00-165-1966
Primary Part NumberM83248/1-251
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusCANCELLED
Outside Diameter5.344 INCHES MINIMUM AND 5.430 INCHES MAXIMUM IN
Elongation Percentage125 MAXIMUM
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MaterialRUBBER FLUOROCARBON CLASS FPM
Temp Rating-15.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
Hardness Rating75.0 SHORE DUROMETER A NOMINAL
Center Hole Diameter5.074 INCHES MINIMUM AND 5.144 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-011-2304 INTERCHANGEABLE
Plug,pipe
5330-00-106-55532-251 INTERCHANGEABLE
Gasket
Gross Mechanical Laboratories Inc
6230-00-164-660517-4385-100-510 INTERCHANGEABLE
Flashlight
Chief of Engineers Dept of Army
4820-00-203-25892251 INTERCHANGEABLE
Valve,safety Relief
Anderson Greenwood Lp Dba Anderson Greenwood Crosby
5950-00-226-3088446016 INTERCHANGEABLE
Transformer,power
Boonton Electronics Corporation Div Boonton Electronics
5330-00-354-0975 INTERCHANGEABLE
Gasket
4730-00-479-0098 INTERCHANGEABLE
Elbow,pipe
2590-00-737-3216453077-A1 INTERCHANGEABLE
Plate Assembly
Trw Inc Trw Commercial Steering Div
5331-01-039-3076MS28775-251 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
6625-01-052-22772251 INTERCHANGEABLE
Voltmeter
North Atlantic Industries, Inc. Dba North Atlantic Industries
Cross-Reference Index
Part NumberManufacturer
20A11EM251 Zf Industrieantriebe Witten Gmbh (DEU)
95482188 Zf Industrieantriebe Witten Gmbh (DEU)
2-251-77-545 Parker-Hannifin Corp Div O-Ring Division (USA)
2-251V1164-75 Parker-Hannifin Corp Div O-Ring Division (USA)
MILR83248 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2-251 Zf Industrieantriebe Witten Gmbh (DEU)
AMS7276 Society of Automotive Engineers Inc (USA)
M83248/1-251 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
AMS7276 Sae International Dba Sae International (USA)
10443997 Nimikkeistokeskus Ncb Finland (FIN)
AS3209-251 Society of Automotive Engineers Inc (USA)
AS3209-251 Sae International Dba Sae International (USA)
MIL-R-83248/1 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2-251V1226-75 Parker-Hannifin Corp Div O-Ring Division (USA)
2-251 V747-75 Parker Hannifin Gmbh O-Ring Division (DEU)
M83248/1-251 PRIMARY Sae International Dba Sae International (USA)
SAE-AS83248/1 Sae International Dba Sae International (USA)
95030227 Zf Industrieantriebe Witten Gmbh (DEU)
710893-28 Zf Industrieantriebe Witten Gmbh (DEU)
2-251 V747-75 Parker-Hannifin Corp Div O-Ring Division (USA)
Related Parts
4730-00-011-2304INTERCHANGEABLE
PLUG,PIPE
5330-00-106-5553INTERCHANGEABLE
GASKET
2-251
6230-00-164-6605INTERCHANGEABLE
FLASHLIGHT
17-4385-100-510
4820-00-203-2589INTERCHANGEABLE
VALVE,SAFETY RELIEF
2251
5950-00-226-3088INTERCHANGEABLE
TRANSFORMER,POWER
446016
5330-00-354-0975INTERCHANGEABLE
GASKET
4730-00-479-0098INTERCHANGEABLE
ELBOW,PIPE
2590-00-737-3216INTERCHANGEABLE
PLATE ASSEMBLY
453077-A1
5331-01-039-3076INTERCHANGEABLE
O-RING
MS28775-251
6625-01-052-2277INTERCHANGEABLE
VOLTMETER
2251
5330-01-157-7145INTERCHANGEABLE
PACKING,PREFORMED
710893-28
5950-01-163-0363INTERCHANGEABLE
TRANSFORMER,POWER

Frequently Asked Questions

What is NSN 5331-00-165-1966?

NSN 5331-00-165-1966 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-165-1966?

NSN 5331-00-165-1966 has 25 cross-referenced part numbers: 20A11EM251 (Zf Industrieantriebe Witten Gmbh), 95482188 (Zf Industrieantriebe Witten Gmbh), 2-251-77-545 (Parker-Hannifin Corp Div O-Ring Division), 2-251V1164-75 (Parker-Hannifin Corp Div O-Ring Division), MILR83248 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 20 more.

What NSN replaces 5331-00-165-1966?

There are 12 known substitutes for 5331-00-165-1966: 4730-00-011-2304, 5330-00-106-5553, 6230-00-164-6605 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M83248/1-251?

Key specifications for M83248/1-251: Outside Diameter: 5.344 INCHES MINIMUM AND 5.430 INCHES MAXIMUM IN; Elongation Percentage: 125 MAXIMUM; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material: RUBBER FLUOROCARBON CLASS FPM. 7 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-165-1966 still in active supply?

NSN 5331-00-165-1966 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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