PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D15918-9O-Ring

Amfac Distribution Corp Amfac Supply Co Amfac Fluid Power · NSN 5331-00-495-2943 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-495-2943 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-495-2943. Primary manufacturer part number: D15918-9.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 0.665 INCHES MINIMUM AND 0.683 INCHES MAXIMUM IN
  • Elongation Percentage: 125 MAXIMUM
  • Material: RUBBER FLUOROCARBON CLASS FPM
  • Temp Rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
  • Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL
  • Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Outside Diameter: 0.880 INCHES NOMINAL 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 5331-00-495-2943, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Amfac Distribution Corp Amfac Supply Co Amfac Fluid Power. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-495-2943
Primary Part NumberD15918-9
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerAmfac Distribution Corp Amfac Supply Co Amfac Fluid Power
StatusACTIVE
Center Hole Diameter0.665 INCHES MINIMUM AND 0.683 INCHES MAXIMUM IN
Elongation Percentage125 MAXIMUM
MaterialRUBBER FLUOROCARBON CLASS FPM
Temp Rating-20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF
Hardness Rating75.0 SHORE DUROMETER A NOMINAL
Cross-Sectional Height0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Outside Diameter0.880 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5331-00-004-3227 INTERCHANGEABLE
O-Ring
5331-00-404-4191000115EE INTERCHANGEABLE
O-Ring
Admiral Valve Llc Dba Cpv Manufacturing
5331-00-420-0728000115EL INTERCHANGEABLE
O-Ring
Admiral Valve Llc Dba Cpv Manufacturing
5331-00-582-25312-115B318-70 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5331-00-884-6965 INTERCHANGEABLE
O-Ring
5331-00-927-9614 INTERCHANGEABLE
O-Ring
5330-01-348-6169 INTERCHANGEABLE
Packing,preformed
5331-01-669-3758 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
D15918-9 Amfac Distribution Corp Amfac Supply Co Amfac Fluid Power (USA)
ARP568-115MILG23652TY1 Society of Automotive Engineers Inc (USA)
AMS 7276 Society of Automotive Engineers Inc (USA)
AMS 7276 Sae International Dba Sae International (USA)
AS568-115 Sae International Dba Sae International (USA)
AS568-115 Society of Automotive Engineers Inc (USA)
Related Parts
5331-00-004-3227INTERCHANGEABLE
O-RING
5331-00-404-4191INTERCHANGEABLE
O-RING
000115EE
5331-00-420-0728INTERCHANGEABLE
O-RING
000115EL
5331-00-582-2531INTERCHANGEABLE
O-RING
2-115B318-70
5331-00-884-6965INTERCHANGEABLE
O-RING
5331-00-927-9614INTERCHANGEABLE
O-RING
5330-01-348-6169INTERCHANGEABLE
PACKING,PREFORMED
5331-01-669-3758INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-00-495-2943?

NSN 5331-00-495-2943 is a O-Ring, manufactured by Amfac Distribution Corp Amfac Supply Co Amfac Fluid Power, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-495-2943?

NSN 5331-00-495-2943 has 6 cross-referenced part numbers: D15918-9 (Amfac Distribution Corp Amfac Supply Co Amfac Fluid Power), ARP568-115MILG23652TY1 (Society of Automotive Engineers Inc), AMS 7276 (Society of Automotive Engineers Inc), AMS 7276 (Sae International Dba Sae International), AS568-115 (Sae International Dba Sae International) and 1 more.

What NSN replaces 5331-00-495-2943?

There are 8 known substitutes for 5331-00-495-2943: 5331-00-004-3227, 5331-00-404-4191, 5331-00-420-0728 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D15918-9?

Key specifications for D15918-9: Center Hole Diameter: 0.665 INCHES MINIMUM AND 0.683 INCHES MAXIMUM IN; Elongation Percentage: 125 MAXIMUM; Material: RUBBER FLUOROCARBON CLASS FPM; Temp Rating: -20.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF. 7 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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