The O-Ring, cataloged under National Stock Number 5331-01-121-8532, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-121-8532 |
| Primary Part Number | 933C055753-2 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Zf Industrieantriebe Witten Gmbh |
| Status | ACTIVE |
| Elongation Percentage | 786 MAXIMUM |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Center Hole Diameter | 9.679 INCHES MINIMUM AND 9.789 INCHES MAXIMUM IN |
| Hardness Rating | 40.0 SHORE DUROMETER A NOMINAL |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Temp Rating | -45.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF |
| Outside Diameter | 9.949 INCHES MINIMUM AND 10.075 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 933C055753-2 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 2-273N545-40 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| AMS3201J | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 2-273 | Zf Industrieantriebe Witten Gmbh (DEU) |
| AS568-273 | Society of Automotive Engineers Inc (USA) |
| AS568-273 | Sae International Dba Sae International (USA) |
NSN 5331-01-121-8532 is a O-Ring, manufactured by Zf Industrieantriebe Witten Gmbh, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-121-8532 has 6 cross-referenced part numbers: 933C055753-2 (Zf Industrieantriebe Witten Gmbh), 2-273N545-40 (Parker-Hannifin Corp Div O-Ring Division), AMS3201J (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2-273 (Zf Industrieantriebe Witten Gmbh), AS568-273 (Society of Automotive Engineers Inc) and 1 more.
There are 9 known substitutes for 5331-01-121-8532: 3455-00-190-8407, 6810-00-241-1159, 5975-00-241-3657 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 933C055753-2: Elongation Percentage: 786 MAXIMUM; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Center Hole Diameter: 9.679 INCHES MINIMUM AND 9.789 INCHES MAXIMUM IN; Hardness Rating: 40.0 SHORE DUROMETER A NOMINAL. 7 total characteristics are documented in the Federal Logistics Information System.