The O-Ring, cataloged under National Stock Number 5331-00-717-3981, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-717-3981 |
| Primary Part Number | MIL-STD-413 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF |
| Center Hole Diameter | 1.974 INCHES MINIMUM AND 1.994 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Hardness Rating | 60.0 SHORE DUROMETER A NOMINAL |
| Outside Diameter | 2.262 INCHES NOMINAL IN |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MIL-STD-413 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| AMS3227 | Society of Automotive Engineers Inc (USA) |
| ABS3227 | Society of Automotive Engineers Inc (USA) |
| 1793-226 | Parker-Hannifin Corporation Div O-Ring Division (USA) |
| AS568-226 | Sae International Dba Sae International (USA) |
| AS568-226 | Society of Automotive Engineers Inc (USA) |
| SR-822A-60-226 | Stillman Seal Corporation Div Stillman Seal Corperation (USA) |
| 287-1159P82 | Raytheon Company Div Corp (USA) |
| 7866-226 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 457-60-226 | Parco, Llc (USA) |
| 909-4-8186 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| AMS3227 | Sae International Dba Sae International (USA) |
NSN 5331-00-717-3981 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.
NSN 5331-00-717-3981 has 12 cross-referenced part numbers: MIL-STD-413 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AMS3227 (Society of Automotive Engineers Inc), ABS3227 (Society of Automotive Engineers Inc), 1793-226 (Parker-Hannifin Corporation Div O-Ring Division), AS568-226 (Sae International Dba Sae International) and 7 more.
There are 10 known substitutes for 5331-00-717-3981: 5331-00-078-7300, 5331-00-180-9122, 5330-00-297-6117 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for MIL-STD-413: Temp Rating: -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF; Center Hole Diameter: 1.974 INCHES MINIMUM AND 1.994 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Hardness Rating: 60.0 SHORE DUROMETER A NOMINAL. 6 total characteristics are documented in the Federal Logistics Information System.