PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS568-111NMIL-R-83248 TY1 CL1O-Ring

Society of Automotive Engineers Inc · NSN 5331-00-166-1059 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-166-1059 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-166-1059. Primary manufacturer part number: AS568-111NMIL-R-83248 TY1 CL1.
Features
  • O-Ring — FSC 5331
  • Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS
  • Elongation Percentage: 125 MAXIMUM
  • Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Outside Diameter: 0.619 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
  • Temp Rating: -30.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
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 5331-00-166-1059, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Society of Automotive Engineers Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 24 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
NSN5331-00-166-1059
Primary Part NumberAS568-111NMIL-R-83248 TY1 CL1
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSociety of Automotive Engineers Inc
StatusCANCELLED
Nondefinitive Spec/std Data1 TYPE AND 1 CLASS
Elongation Percentage125 MAXIMUM
Hardness Rating75.0 SHORE DUROMETER A NOMINAL
MaterialRUBBER FLUOROCARBON CLASS FPM
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Outside Diameter0.619 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN
Temp Rating-30.0 FAHRENHEIT AND 500.0 FAHRENHEIT DEGF
Center Hole Diameter0.417 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-100-032112601853 INTERCHANGEABLE
Cup,tapered Roller Bearing
U S Army Tank Automotive Command Amsta-Im-Mm
5930-00-259-471624649 INTERCHANGEABLE
Switch,push
Naval Ship Systems Command
5331-00-559-2632A29197 INTERCHANGEABLE
O-Ring
Cnh Industrial America Llc Dba Cnh America
5331-00-579-8108124A745 INTERCHANGEABLE
O-Ring
Meggitt Troy Inc
5331-00-882-9090 INTERCHANGEABLE
O-Ring
5331-00-907-09842-111S424-7 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-00-926-0074 INTERCHANGEABLE
O-Ring
5330-00-995-9039BACP11P111 INTERCHANGEABLE
Packing,preformed
The Boeing Company Div Defense
5331-01-039-2521 INTERCHANGEABLE
O-Ring
5331-01-254-63871487048-8 INTERCHANGEABLE
O-Ring
Naval Ship Systems Command
Cross-Reference Index
Part NumberManufacturer
AS568-111NMIL-R-83248 TY1 CL1 Society of Automotive Engineers Inc (USA)
RS900W&111 Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging (USA)
MS17413-111 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
2-111V1164-75 Parker-Hannifin Corp Div O-Ring Division (USA)
N-649 ITEM 67 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
3211D Moog Inc. Dba Ampac-Isp Corp (USA)
M83248/1-111 Zf Industrieantriebe Witten Gmbh (DEU)
6227-09 Zf Industrieantriebe Witten Gmbh (DEU)
MS9388-111 Zf Industrieantriebe Witten Gmbh (DEU)
10117058 Nimikkeistokeskus Ncb Finland (FIN)
5331PL1673090 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5331PL0930082 Jednolity Indeks Materialowy - Uniform Material Index (POL)
2-111V747-75 Parker-Hannifin Corp Div O-Ring Division (USA)
M83248/1-111 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
24649 Davey Compressor Co Div of Keco Industries Inc (USA)
1487048-8 Zf Industrieantriebe Witten Gmbh (DEU)
V0747 2-111 Parker-Hannifin Corp Div O-Ring Division (USA)
NAS1593-111 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
AS7276G Sae International Dba Sae International (USA)
5331PL0669729 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
3110-00-100-0321INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
12601853
5930-00-259-4716INTERCHANGEABLE
SWITCH,PUSH
24649
5331-00-559-2632INTERCHANGEABLE
O-RING
A29197
5331-00-579-8108INTERCHANGEABLE
O-RING
124A745
5331-00-882-9090INTERCHANGEABLE
O-RING
5331-00-907-0984INTERCHANGEABLE
O-RING
2-111S424-7
5331-00-926-0074INTERCHANGEABLE
O-RING
5330-00-995-9039INTERCHANGEABLE
PACKING,PREFORMED
BACP11P111
5331-01-039-2521INTERCHANGEABLE
O-RING
5331-01-254-6387INTERCHANGEABLE
O-RING
1487048-8
5331-01-258-6853INTERCHANGEABLE
O-RING
AS3581-111
5330-01-290-9410INTERCHANGEABLE
PACKING,PREFORMED

Frequently Asked Questions

What is NSN 5331-00-166-1059?

NSN 5331-00-166-1059 is a O-Ring, manufactured by Society of Automotive Engineers Inc, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-166-1059?

NSN 5331-00-166-1059 has 50 cross-referenced part numbers: AS568-111NMIL-R-83248 TY1 CL1 (Society of Automotive Engineers Inc), RS900W&111 (Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging), MS17413-111 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 2-111V1164-75 (Parker-Hannifin Corp Div O-Ring Division), N-649 ITEM 67 (Leslie Controls, Inc. Dba Leslie Controls Inc) and 45 more.

What NSN replaces 5331-00-166-1059?

There are 12 known substitutes for 5331-00-166-1059: 3110-00-100-0321, 5930-00-259-4716, 5331-00-559-2632 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AS568-111NMIL-R-83248 TY1 CL1?

Key specifications for AS568-111NMIL-R-83248 TY1 CL1: Nondefinitive Spec/std Data: 1 TYPE AND 1 CLASS; Elongation Percentage: 125 MAXIMUM; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL; Material: RUBBER FLUOROCARBON CLASS FPM. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-166-1059 still in active supply?

NSN 5331-00-166-1059 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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