The O-Ring, cataloged under National Stock Number 5331-01-227-2810, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-227-2810 |
| Primary Part Number | 2-245N674-70 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.125 INCHES NOMINAL IN |
| Center Hole Diameter | 4.375 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Criticality Code Justification | ZZZY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2-245N674-70 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2-245 | Core Industries Inc. Dba Mueller Steam Specialty (USA) |
| 2-245CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 09-245 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 0561C0031-11 | Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems (USA) |
| 2-245N674-70 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 0561C0031-11 | Lockheed Martin Corporation Div Rms (USA) |
NSN 5331-01-227-2810 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-227-2810 has 7 cross-referenced part numbers: 2-245N674-70 (Parker-Hannifin Corp Div O-Ring Division), 2-245 (Core Industries Inc. Dba Mueller Steam Specialty), 2-245CP (Naval Inventory Control Point Mechanicsburg), 09-245 (Zf Industrieantriebe Witten Gmbh), 0561C0031-11 (Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems) and 2 more.
There is 1 known substitute for 5331-01-227-2810: 5331-00-580-6588. Verify interchangeability with system specifications before substitution.
Key specifications for 2-245N674-70: Cross-Sectional Height: 0.125 INCHES NOMINAL IN; Center Hole Diameter: 4.375 INCHES NOMINAL IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. 5 total characteristics are documented in the Federal Logistics Information System.