The O-Ring, cataloged under National Stock Number 5331-01-035-2235, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Parker Hannifin Corporation Div O-Ring Division. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-01-035-2235 |
| Primary Part Number | 243-7657 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Parker Hannifin Corporation Div O-Ring Division |
| Status | CANCELLED |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Center Hole Diameter | 4.094 INCHES MINIMUM AND 4.124 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Elongation Percentage | 331 MAXIMUM |
| Temp Rating | -30.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Outside Diameter | 4.351 INCHES MINIMUM AND 4.423 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| D0551339 | Calzoni Srl (ITA) |
| 243-7657 PRIMARY | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 2-243N674-70 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 2-243N219-7 | Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division (USA) |
| 417B151-3INPC6 | Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 (USA) |
| 2-243N219-7 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| B 677 | Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 (USA) |
| 09544 | Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609 (USA) |
| GD00876373 | General Dynamics United Kingdom Ltd (GBR) |
| 1112309 | Pall Industrial Hydraulics Corp (USA) |
| 243-8307 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 2-243N674-70 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 748479 | Mahle Industrial Thermal Systems Gmbh & Co. Kg (DEU) |
| 593-6960882PC10 | Naval Sea Systems Command (USA) |
| 2-243 N674-70 | Parker Hannifin Gmbh O-Ring Division (DEU) |
NSN 5331-01-035-2235 is a O-Ring, manufactured by Parker Hannifin Corporation Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-01-035-2235 has 15 cross-referenced part numbers: D0551339 (Calzoni Srl), 243-7657 (Parker Hannifin Corporation Div O-Ring Division), 2-243N674-70 (Zf Industrieantriebe Witten Gmbh), 2-243N219-7 (Parker-Hannifin Corporation Dba Pneutronics Div Composite Sealing Systems Division), 417B151-3INPC6 (Worcester Controls Corp P O Box 2609 Cookeville Tn 385022609) and 10 more.
There are 3 known substitutes for 5331-01-035-2235: 6625-00-028-3967, 5950-00-812-0073, 3455-01-049-1013. Verify interchangeability with system specifications before substitution.
Key specifications for 243-7657: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 4.094 INCHES MINIMUM AND 4.124 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Elongation Percentage: 331 MAXIMUM. 7 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-01-035-2235 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.