The Seal,plain Encased, cataloged under National Stock Number 5330-01-266-3851, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 3 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-266-3851 |
| Primary Part Number | 640479 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — No Item Name Available |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Material | RUBBER SYNTHETIC SEALING ELEMENT |
| Material | STEEL CORROSION RESISTING SPRING |
| Material | STEEL CASE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5330-01-266-3851 is a Seal,plain Encased, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5330 (No Item Name Available). Status: active.
NSN 5330-01-266-3851 has 4 cross-referenced part numbers: 11689 (Windham Lifts Inc), 531912-18 (Skf Usa Inc. Dba Skf Aerospace Sealing Solutions), 684876-25 (Caterpillar Inc Div Caterpillar Defense), 640479 (Caterpillar Inc Div Caterpillar Defense).
There are 7 known substitutes for 5330-01-266-3851: 4710-00-117-4330, 6105-01-029-5245, 5935-01-039-9772 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 640479: Material: RUBBER SYNTHETIC SEALING ELEMENT; Material: STEEL CORROSION RESISTING SPRING; Material: STEEL CASE. 3 total characteristics are documented in the Federal Logistics Information System.