The Seal,plain Encased, cataloged under National Stock Number 5330-01-040-3394, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Federal-Mogul Corp Government Sales Dept. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-040-3394 |
| Primary Part Number | 2644R |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Federal-Mogul Corp Government Sales Dept |
| Status | ACTIVE |
| Seal Width | 0.546 INCHES NOMINAL IN |
| Housing Bore Diameter | 3.548 INCHES NOMINAL IN |
| Accommodated Shaft Diameter | 2.250 INCHES NOMINAL IN |
| Material | STEEL CASE |
| 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 |
|---|---|
| 233015 | Dana Off Highway Products, Llc (USA) |
| 2644R PRIMARY | Federal-Mogul Corp Government Sales Dept (USA) |
| Reference | Meaning |
|---|---|
| 2644R | 5/9 Secondary reference Federal-Mogul Corp Chassis Products Div |
| 233015 | 5/9 Secondary reference Clark Equipment Co |
NSN 5330-01-040-3394 is a Seal,plain Encased, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-040-3394 has 2 manufacturer part numbers on file: 233015 (Dana Off Highway Products, Llc), 2644R (Federal-Mogul Corp Government Sales Dept).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-617-7332. Verify interchangeability with system specifications before substitution.
Key specifications for 2644R: Seal Width: 0.546 INCHES NOMINAL IN; Housing Bore Diameter: 3.548 INCHES NOMINAL IN; Accommodated Shaft Diameter: 2.250 INCHES NOMINAL IN; Material: STEEL CASE. 4 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.