The O-Ring, cataloged under National Stock Number 5331-01-210-1680, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-210-1680 |
| Primary Part Number | MS28775-028 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | ACTIVE |
| Outside Diameter | 1.504 INCHES NOMINAL IN |
| Elongation Percentage | 160 MAXIMUM |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Center Hole Diameter | 1.358 INCHES MINIMUM AND 1.370 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS28775-028 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS28775-028 | Sae International Dba Sae International (USA) |
| SAE-AS28775 | Sae International Dba Sae International (USA) |
| MS28775-028 | Society of Automotive Engineers Inc (USA) |
NSN 5331-01-210-1680 is a O-Ring, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-210-1680 has 4 cross-referenced part numbers: MS28775-028 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS28775-028 (Sae International Dba Sae International), SAE-AS28775 (Sae International Dba Sae International), MS28775-028 (Society of Automotive Engineers Inc).
There is 1 known substitute for 5331-01-210-1680: 5331-00-580-5056. Verify interchangeability with system specifications before substitution.
Key specifications for MS28775-028: Outside Diameter: 1.504 INCHES NOMINAL IN; Elongation Percentage: 160 MAXIMUM; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.