The O-Ring, cataloged under National Stock Number 5331-01-024-4842, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 2 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-01-024-4842 |
| Primary Part Number | DF-21 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-Ring |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | CANCELLED |
| Center Hole Diameter | 0.294 INCHES MINIMUM AND 0.304 INCHES MAXIMUM IN |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| DF-21 | Schroeder Industries Llc (USA) |
| DF-21 | Zf Industrieantriebe Witten Gmbh (DEU) |
| ARP568-109 | Zf Industrieantriebe Witten Gmbh (DEU) |
| DF-21 PRIMARY | Lake Shore Systems, Inc. (USA) |
NSN 5331-01-024-4842 is a O-Ring, manufactured by Lake Shore Systems, Inc., classified under FSC 5331 (O-Ring). Status: cancelled.
NSN 5331-01-024-4842 has 4 cross-referenced part numbers: DF-21 (Schroeder Industries Llc), DF-21 (Zf Industrieantriebe Witten Gmbh), ARP568-109 (Zf Industrieantriebe Witten Gmbh), DF-21 (Lake Shore Systems, Inc.).
There is 1 known substitute for 5331-01-024-4842: 6550-01-461-4039. Verify interchangeability with system specifications before substitution.
Key specifications for DF-21: Center Hole Diameter: 0.294 INCHES MINIMUM AND 0.304 INCHES MAXIMUM IN; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN. 2 total characteristics are documented in the Federal Logistics Information System.
NSN 5331-01-024-4842 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.