PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-R-83248/2O-Ring

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5331-01-626-6210 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-626-6210 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-626-6210. Primary manufacturer part number: MIL-R-83248/2.
Features
  • O-Ring — FSC 5331
  • Material Document and Classification: SAE-AMS7259 ASSN STD SINGLE MATERIAL RESPONSE AND SAE-AS3581 ASSN STD SINGLE MATERIAL RESPONSE
  • Cross-Sectional Height: 0.09375 INCHES NOMINAL IN
  • Peripheral Diameter: 1.6875 INCHES NOMINAL IN
  • Color: BLACK OR BROWN
  • Center Hole Diameter: 1.5 INCHES NOMINAL IN
  • Temp Rating: -20.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
  • Material: RUBBER FLUOROCARBON CLASS FPM
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 5331-01-626-6210, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-626-6210
Primary Part NumberMIL-R-83248/2
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Material Document and ClassificationSAE-AMS7259 ASSN STD SINGLE MATERIAL RESPONSE AND SAE-AS3581 ASSN STD SINGLE MATERIAL RESPONSE
Cross-Sectional Height0.09375 INCHES NOMINAL IN
Peripheral Diameter1.6875 INCHES NOMINAL IN
ColorBLACK OR BROWN
Center Hole Diameter1.5 INCHES NOMINAL IN
Temp Rating-20.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF
MaterialRUBBER FLUOROCARBON CLASS FPM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5331-01-104-4906AS3581-128 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5330-01-241-1926 INTERCHANGEABLE
Packing,preformed
Cross-Reference Index
Part NumberManufacturer
MIL-R-83248/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M83248/2-128 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
D11400-SW (70/30) ITEM 3 Danco Valve Company (USA)
D11400-SW (70/30) ITEM 3 Dante Valve Company (USA)
Related Parts
5331-01-104-4906INTERCHANGEABLE
O-RING
AS3581-128
5330-01-241-1926INTERCHANGEABLE
PACKING,PREFORMED

Frequently Asked Questions

What is NSN 5331-01-626-6210?

NSN 5331-01-626-6210 is a O-Ring, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-626-6210?

NSN 5331-01-626-6210 has 4 cross-referenced part numbers: MIL-R-83248/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M83248/2-128 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), D11400-SW (70/30) ITEM 3 (Danco Valve Company), D11400-SW (70/30) ITEM 3 (Dante Valve Company).

What NSN replaces 5331-01-626-6210?

There are 2 known substitutes for 5331-01-626-6210: 5331-01-104-4906, 5330-01-241-1926. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-R-83248/2?

Key specifications for MIL-R-83248/2: Material Document and Classification: SAE-AMS7259 ASSN STD SINGLE MATERIAL RESPONSE AND SAE-AS3581 ASSN STD SINGLE MATERIAL RESPONSE; Cross-Sectional Height: 0.09375 INCHES NOMINAL IN; Peripheral Diameter: 1.6875 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: O-RING. 9 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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