The O-Ring, cataloged under National Stock Number 5331-00-111-3756, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-111-3756 |
| Primary Part Number | 2-259N103-70 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Center Hole Diameter | 6.211 INCHES MINIMUM AND 6.257 INCHES MAXIMUM IN |
| Outside Diameter | 6.464 INCHES MINIMUM AND 6.560 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Temp Rating | -55.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF |
| Elongation Percentage | 260 MAXIMUM |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 437-3501 | Nimikkeistokeskus Ncb Finland (FIN) |
| ARP568-259N398-7 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2-259N398-7 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 2-259N103-70 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 259 | Zf Industrieantriebe Witten Gmbh (DEU) |
NSN 5331-00-111-3756 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-111-3756 has 5 cross-referenced part numbers: 437-3501 (Nimikkeistokeskus Ncb Finland), ARP568-259N398-7 (Parker-Hannifin Corp Div O-Ring Division), 2-259N398-7 (Parker-Hannifin Corp Div O-Ring Division), 2-259N103-70 (Parker-Hannifin Corp Div O-Ring Division), 259 (Zf Industrieantriebe Witten Gmbh).
There are 12 known substitutes for 5331-00-111-3756: 5310-00-011-6120, 5996-00-106-2826, 5330-00-154-1529 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2-259N103-70: Center Hole Diameter: 6.211 INCHES MINIMUM AND 6.257 INCHES MAXIMUM IN; Outside Diameter: 6.464 INCHES MINIMUM AND 6.560 INCHES MAXIMUM IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Temp Rating: -55.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF. 7 total characteristics are documented in the Federal Logistics Information System.