The O-Ring, cataloged under National Stock Number 5331-00-811-2911, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Chicago Gasket Co. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-811-2911 |
| Primary Part Number | ARP568-008 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Chicago Gasket Co |
| Status | CANCELLED |
| Center Hole Diameter | 0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.0625 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| Outside Diameter | 0.316 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| ARP568-008 PRIMARY | Chicago Gasket Co (USA) |
NSN 5331-00-811-2911 is a O-Ring, manufactured by Chicago Gasket Co, classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-00-811-2911 has 1 cross-referenced part number: ARP568-008 (Chicago Gasket Co).
There are 3 known substitutes for 5331-00-811-2911: 5331-00-417-0986, 5331-00-446-4580, 5325-00-704-7939. Verify interchangeability with system specifications before substitution.
Key specifications for ARP568-008: Center Hole Diameter: 0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN; Cross-Sectional Height: 0.0625 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC; Outside Diameter: 0.316 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-00-811-2911 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.