The Seal,plain Encased, cataloged under National Stock Number 5330-00-803-3987, 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 8 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-803-3987 |
| Primary Part Number | 455437N |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Federal-Mogul Corp Government Sales Dept |
| Status | ACTIVE |
| Seal Width | 0.500 INCHES NOMINAL IN |
| Sealing Element Style | ANGULAR |
| Housing Bore Diameter | 4.751 INCHES NOMINAL IN |
| Accommodated Shaft Maximum Rated Speed | 3000 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 3.500 INCHES NOMINAL IN |
| Material | STEEL CASE |
| Material | RUBBER SYNTHETIC 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 |
| Part Number | Manufacturer |
|---|---|
| 302912R91 | Dressta North America Ltd (USA) |
| 455437N PRIMARY | Federal-Mogul Corp Government Sales Dept (USA) |
| Reference | Meaning |
|---|---|
| 302912R91 | 5/9 Secondary reference U.S. Government activity |
| 00044 | 5/1 Secondary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| 445437R | 5/9 Secondary reference U.S. Government activity |
| 445437R | 5/9 Secondary reference Federal-Mogul Corp Government Sales Dept |
| 302912R91 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
NSN 5330-00-803-3987 is a Seal,plain Encased, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-803-3987 has 2 manufacturer part numbers on file: 302912R91 (Dressta North America Ltd), 455437N (Federal-Mogul Corp Government Sales Dept).
Key specifications for 455437N: Seal Width: 0.500 INCHES NOMINAL IN; Sealing Element Style: ANGULAR; Housing Bore Diameter: 4.751 INCHES NOMINAL IN; Accommodated Shaft Maximum Rated Speed: 3000 FEET PER MINUTE FT. 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.