The Seal,plain Encased, cataloged under National Stock Number 5330-01-508-8989, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-508-8989 |
| Primary Part Number | 2778996 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Reference Data and Literature | POWER TRAIN 8X-1865 FINAL DRIVE GROUP, PAGE I01433659 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2778996 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| 4L-9822 | 3/9 Design control — primary reference Caterpillar Inc Div Caterpillar Defense |
NSN 5330-01-508-8989 is a Seal,plain Encased, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-508-8989 has 1 manufacturer part number on file: 2778996 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 2778996: Reference Data and Literature: POWER TRAIN 8X-1865 FINAL DRIVE GROUP, PAGE I01433659; Special Features: S/N 3YK1-UP; PART OF 8X-1599 POWER TRAIN AR TYPE 1; Part Name Assigned by Controlling Agency: SEAL-LIP. 1 specification is documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.