The Seal,plain, cataloged under National Stock Number 5330-01-440-3278, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Bal Seal Engineering, Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-440-3278 |
| Primary Part Number | X108522 |
| Item Name | Seal,plain |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Bal Seal Engineering, Inc. |
| Status | ACTIVE |
| Seal Width | 0.240 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN |
| Housing Bore Diameter | 6.228 INCHES NOMINAL IN |
| Accommodated Shaft Diameter | 5.625 INCHES NOMINAL IN |
| 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 |
|---|---|
| X108522 PRIMARY | Bal Seal Engineering, Inc. (USA) |
| 071866-2 | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| 480147940-2 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| R316MC-358 | 5/9 Secondary reference Bal Seal Engineering, Inc. |
NSN 5330-01-440-3278 is a Seal,plain, manufactured by Bal Seal Engineering, Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-440-3278 has 2 manufacturer part numbers on file: X108522 (Bal Seal Engineering, Inc.), 071866-2 (L3 Technologies, Inc. Div L3 Keo).
Key specifications for X108522: Seal Width: 0.240 INCHES MINIMUM AND 0.275 INCHES MAXIMUM IN; Housing Bore Diameter: 6.228 INCHES NOMINAL IN; Accommodated Shaft Diameter: 5.625 INCHES NOMINAL IN. 3 specifications are 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.