The O-Ring, cataloged under National Stock Number 5331-01-029-7452, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Hepburn Italiana Srl. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 12 commercial cross-references from 11 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 | 5331-01-029-7452 |
| Primary Part Number | 671-00242 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Hepburn Italiana Srl |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Center Hole Diameter | 3.969 INCHES MINIMUM AND 3.999 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Outside Diameter | 4.262 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 671-00242 | Hepburn Italiana Srl (ITA) |
| 671-00242 | Denison Hydraulics France SAS (FRA) |
| 242-8307 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 242-7507 | Zf Industrieantriebe Witten Gmbh (DEU) |
| AS568-242 | Sae International Dba Sae International (USA) |
| MIL-G-21569 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 671-00242 | Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division (USA) |
| 671-00242 | Parker Hannifin France SAS (FRA) |
| 5331PL0677661 | Jednolity Indeks Materialowy - Uniform Material Index (POL) |
| PRP242-8307 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 7264429 | Liebherr-France (FRA) |
| AS568-242 | Society of Automotive Engineers Inc (USA) |
NSN 5331-01-029-7452 is a O-Ring, manufactured by Hepburn Italiana Srl, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-029-7452 has 12 cross-referenced part numbers: 671-00242 (Hepburn Italiana Srl), 671-00242 (Denison Hydraulics France SAS), 242-8307 (Parker Hannifin Corporation Div O-Ring Division), 242-7507 (Zf Industrieantriebe Witten Gmbh), AS568-242 (Sae International Dba Sae International) and 7 more.
There are 12 known substitutes for 5331-01-029-7452: 5331-00-089-0998, 5331-00-286-0089, 5331-00-403-6418 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 671-00242: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Center Hole Diameter: 3.969 INCHES MINIMUM AND 3.999 INCHES MAXIMUM IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Outside Diameter: 4.262 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.