The O-Ring, cataloged under National Stock Number 5331-01-133-0533, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-01-133-0533 |
| Primary Part Number | MS28775-284 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | CANCELLED |
| Center Hole Diameter | 17.910 INCHES MINIMUM AND 18.000 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Elongation Percentage | 160 MAXIMUM |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Outside Diameter | 18.233 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2-284 | Zf Industrieantriebe Witten Gmbh (DEU) |
| MIL-P-25732 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MS28775-284 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 2533405-284 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| MS28775-284 | Society of Automotive Engineers Inc (USA) |
| MS28775-284 PRIMARY | Sae International Dba Sae International (USA) |
| SAE-AS28775 | Sae International Dba Sae International (USA) |
NSN 5331-01-133-0533 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-01-133-0533 has 7 cross-referenced part numbers: 2-284 (Zf Industrieantriebe Witten Gmbh), MIL-P-25732 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS28775-284 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 2533405-284 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), MS28775-284 (Society of Automotive Engineers Inc) and 2 more.
There are 12 known substitutes for 5331-01-133-0533: 5325-00-249-6353, 6230-00-299-5879, 6730-00-408-5502 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS28775-284: Center Hole Diameter: 17.910 INCHES MINIMUM AND 18.000 INCHES MAXIMUM IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Elongation Percentage: 160 MAXIMUM. 6 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-01-133-0533 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.