The Seal,plain Encased, cataloged under National Stock Number 5330-01-021-9882, 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 8 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-021-9882 |
| Primary Part Number | 2H3911 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF |
| Seal Width | 0.438 INCHES NOMINAL IN |
| Sealing Element Style | ANGULAR |
| Housing Bore Diameter | 4.500 INCHES NOMINAL IN |
| Accommodated Shaft Maximum Rated Speed | 3600 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 3.250 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR SEALING ELEMENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5330-01-021-9882 is a Seal,plain Encased, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-021-9882 has 5 manufacturer part numbers on file: 455137K69 (Federal-Mogul Corp Government Sales Dept), 2H3911 (Caterpillar Inc Div Caterpillar Defense), 2H3911 (Hastings Deering (aust) Pty Ltd), 2H3911 (William Adams Pty Ltd), 2H3911 (Westrac Pty Ltd).
Key specifications for 2H3911: Temp Rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF; Seal Width: 0.438 INCHES NOMINAL IN; Sealing Element Style: ANGULAR; Housing Bore Diameter: 4.500 INCHES NOMINAL IN. 8 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.