The O-Ring, cataloged under National Stock Number 5331-01-441-5738, 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 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-441-5738 |
| Primary Part Number | 2-157N525-60 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Temp Rating | -25.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Center Hole Diameter | 4.457 INCHES MINIMUM AND 4.517 INCHES MAXIMUM IN |
| Hardness Rating | 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AS568-157AMS3212 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AMS3212 | Society of Automotive Engineers Inc (USA) |
| AMS3212 | Sae International Dba Sae International (USA) |
| 2-157N525-60 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
NSN 5331-01-441-5738 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-441-5738 has 4 cross-referenced part numbers: AS568-157AMS3212 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AMS3212 (Society of Automotive Engineers Inc), AMS3212 (Sae International Dba Sae International), 2-157N525-60 (Parker-Hannifin Corp Div O-Ring Division).
There are 10 known substitutes for 5331-01-441-5738: 5331-00-248-9344, 5331-00-291-4854, 5331-00-543-3106 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2-157N525-60: Temp Rating: -25.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Center Hole Diameter: 4.457 INCHES MINIMUM AND 4.517 INCHES MAXIMUM IN; Hardness Rating: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. 5 total characteristics are documented in the Federal Logistics Information System.