The O-Ring, cataloged under National Stock Number 5331-01-205-5030, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 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 | 5331-01-205-5030 |
| Primary Part Number | K73A0012-12 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Cross-Sectional Height | 0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN |
| Center Hole Diameter | 4.470 INCHES MINIMUM AND 4.530 INCHES MAXIMUM IN |
| Material | RUBBER CHLOROPRENE CLASS CR |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| K73A0012-12 | Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co (USA) |
| 40482 | Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA) |
| K73A0012-12 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5331-01-205-5030 is a O-Ring, manufactured by The Boeing Company Div Defense, classified under FSC 5331 (O-Ring). Status: active.
NSN 5331-01-205-5030 has 3 cross-referenced part numbers: K73A0012-12 (Mcdonnell Douglas Corp Mcdonnell Douglas Electronic Systems Co), 40482 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp), K73A0012-12 (The Boeing Company Div Defense).
There are 9 known substitutes for 5331-01-205-5030: 5950-00-128-6219, 3455-00-254-8472, 3120-00-560-6761 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for K73A0012-12: Cross-Sectional Height: 0.057 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN; Center Hole Diameter: 4.470 INCHES MINIMUM AND 4.530 INCHES MAXIMUM IN; Material: RUBBER CHLOROPRENE CLASS CR. 3 total characteristics are documented in the Federal Logistics Information System.