The O-Ring, cataloged under National Stock Number 5331-01-255-3375, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-255-3375 |
| Primary Part Number | MS28775-231 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Cross-Sectional Height | 0.125 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Outside Diameter | 2.887 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Elongation Percentage | 160 MAXIMUM |
| Center Hole Diameter | 2.625 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS28775-231 | Sae International Dba Sae International (USA) |
| 230079121 | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
| 9316-9 | King Engineering Corporation Dba King-Gage Systems (USA) |
| MS28775-231 | Society of Automotive Engineers Inc (USA) |
| MS28775-231 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS28775-231 | Goriziane Group Spa (ITA) |
| E-4336PC3C | King Engineering Corporation Dba King-Gage Systems (USA) |
| SAE-AS28775 | Sae International Dba Sae International (USA) |
NSN 5331-01-255-3375 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-255-3375 has 8 cross-referenced part numbers: MS28775-231 (Sae International Dba Sae International), 230079121 (Leonardo S.p.a. - Electronics Division - Defence Business Area), 9316-9 (King Engineering Corporation Dba King-Gage Systems), MS28775-231 (Society of Automotive Engineers Inc), MS28775-231 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.
There are 4 known substitutes for 5331-01-255-3375: 5331-00-720-2535, 5950-01-100-6723, 5331-01-231-0939 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS28775-231: Cross-Sectional Height: 0.125 INCHES NOMINAL IN; Criticality Code Justification: ZZZY; Outside Diameter: 2.887 INCHES NOMINAL IN; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS. 8 total characteristics are documented in the Federal Logistics Information System.