PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-8622CO-Ring

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5331-01-486-1903 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-486-1903 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-486-1903. Primary manufacturer part number: MIL-PRF-8622C.
Features
  • O-Ring — FSC 5331
  • Material: PLASTIC POLYTETRAFLUOROETHYLENE
  • Center Hole Diameter: 0.176 INCHES NOMINAL IN
  • Color: WHITE
  • Cross-Sectional Height: 0.070 INCHES NOMINAL IN
  • Criticality Code Justification: FEAT
  • 3 verified cross-references
  • Primary manufacturer: Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Plastic Polytetrafluoroethylene construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-486-1903, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-486-1903
Primary Part NumberMIL-PRF-8622C
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
MaterialPLASTIC POLYTETRAFLUOROETHYLENE
Center Hole Diameter0.176 INCHES NOMINAL IN
ColorWHITE
Cross-Sectional Height0.070 INCHES NOMINAL IN
Criticality Code JustificationFEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5961-00-001-8812911501-2 INTERCHANGEABLE
Transistor
Bae Systems Information and Electronic Systems Integration Inc.
5330-00-179-415628075 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
5910-00-284-48015416 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Lucent Technologies Inc Corporate Headquarters
6145-00-860-92035416 INTERCHANGEABLE
Cable,special Purpose,electrical
Rscc Wire & Cable Llc Dba Marmon Industrial Energy & Infrastructure - East Granby
5315-01-024-25595416 INTERCHANGEABLE
Pin,straight,headless
Pdi Ground Support Systems, Inc.
5120-01-399-9760J5416 INTERCHANGEABLE
Socket,socket Wrench
The Stanley Works Dba Stanley Proto
4730-01-532-203418389 INTERCHANGEABLE
Clamp,hose
Parker-Hannifin Corporation Dba Pneutronics Div Corporate Headquarters
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-8622C Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
M8622-6 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
5416 Fluid Power, Inc. (USA)
Related Parts
5961-00-001-8812INTERCHANGEABLE
TRANSISTOR
911501-2
5330-00-179-4156INTERCHANGEABLE
GASKET
28075
5910-00-284-4801INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
5416
6145-00-860-9203INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5416
5315-01-024-2559INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
5416
5120-01-399-9760INTERCHANGEABLE
SOCKET,SOCKET WRENCH
J5416
4730-01-532-2034INTERCHANGEABLE
CLAMP,HOSE
18389

Frequently Asked Questions

What is NSN 5331-01-486-1903?

NSN 5331-01-486-1903 is a O-Ring, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-486-1903?

NSN 5331-01-486-1903 has 3 cross-referenced part numbers: MIL-PRF-8622C (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), M8622-6 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 5416 (Fluid Power, Inc.).

What NSN replaces 5331-01-486-1903?

There are 7 known substitutes for 5331-01-486-1903: 5961-00-001-8812, 5330-00-179-4156, 5910-00-284-4801 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-8622C?

Key specifications for MIL-PRF-8622C: Material: PLASTIC POLYTETRAFLUOROETHYLENE; Center Hole Diameter: 0.176 INCHES NOMINAL IN; End Item Identification: B1-BACFT; Color: WHITE. 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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