The O-Ring, cataloged under National Stock Number 5331-01-042-2825, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Zf Industrieantriebe Witten Gmbh. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 7 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 | 5331-01-042-2825 |
| Primary Part Number | 400-221P42 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Zf Industrieantriebe Witten Gmbh |
| Status | ACTIVE |
| Outside Diameter | 3.730 INCHES MINIMUM AND 3.794 INCHES MAXIMUM IN |
| Material | RUBBER CHLOROPRENE CLASS CR |
| Center Hole Diameter | 3.469 INCHES MINIMUM AND 3.499 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Temp Rating | -35.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 400-221P42 | Zf Industrieantriebe Witten Gmbh (DEU) |
| AS568-238 | Society of Automotive Engineers Inc (USA) |
| 7-754-000096 | Grove U.s. Llc Dba Grove Us Llc (USA) |
| 2-238C557-70 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| AS568-238 | C. E. Conover & Co., Inc. (USA) |
| 200-724-16 | Biomarine Inc (USA) |
| 300-631P11 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 400-201-14 | Biomarine Inc (USA) |
| AMS3209 | Society of Automotive Engineers Inc (USA) |
| MIL-P-5510 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5331-01-042-2825 is a O-Ring, manufactured by Zf Industrieantriebe Witten Gmbh, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-042-2825 has 10 cross-referenced part numbers: 400-221P42 (Zf Industrieantriebe Witten Gmbh), AS568-238 (Society of Automotive Engineers Inc), 7-754-000096 (Grove U.s. Llc Dba Grove Us Llc), 2-238C557-70 (Parker-Hannifin Corp Div O-Ring Division), AS568-238 (C. E. Conover & Co., Inc.) and 5 more.
There are 12 known substitutes for 5331-01-042-2825: 5331-00-021-2891, 5331-00-171-6411, 5331-00-172-7223 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 400-221P42: Outside Diameter: 3.730 INCHES MINIMUM AND 3.794 INCHES MAXIMUM IN; Material: RUBBER CHLOROPRENE CLASS CR; Center Hole Diameter: 3.469 INCHES MINIMUM AND 3.499 INCHES MAXIMUM IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.