The O-Ring, cataloged under National Stock Number 5331-00-297-5408, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 3 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-297-5408 |
| Primary Part Number | 740621 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Center Hole Diameter | 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 740621 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| MIL-R-3533 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| AS 568-010 | Society of Automotive Engineers Inc (USA) |
| 20046PC16 | Emerson Automation Solutions Final Control Us Lp (USA) |
| SP19946 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| AS 568-010 | Sae International Dba Sae International (USA) |
NSN 5331-00-297-5408 is a O-Ring, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-00-297-5408 has 6 cross-referenced part numbers: 740621 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), MIL-R-3533 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), AS 568-010 (Society of Automotive Engineers Inc), 20046PC16 (Emerson Automation Solutions Final Control Us Lp), SP19946 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier) and 1 more.
There are 12 known substitutes for 5331-00-297-5408: 5331-00-542-1724, 5331-00-584-0266, 5331-00-649-9129 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 740621: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR; Center Hole Diameter: 0.234 INCHES MINIMUM AND 0.244 INCHES MAXIMUM IN. 3 total characteristics are documented in the Federal Logistics Information System.