The Seal,plain Encased, cataloged under National Stock Number 5330-00-282-5861, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc. Government technical data includes 9 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-282-5861 |
| Primary Part Number | 1801 |
| Item Name | Seal,plain Encased |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc |
| Status | ACTIVE |
| Seal Width | 0.375 INCHES NOMINAL IN |
| Sealing Element Style | ANGULAR |
| Maximum Pressure Rating | 7.0 POUNDS PER SQUARE INCH (PSI) LBS |
| Housing Bore Diameter | 3.189 INCHES NOMINAL IN |
| Accommodated Shaft Maximum Rated Speed | 3000 FEET PER MINUTE FT |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 2.500 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 |
|---|---|
| 1801 PRIMARY | Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA) |
| 63X1801 PRIMARY | Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA) |
| Reference | Meaning |
|---|---|
| 2409-1177 | 5/9 Secondary reference Warner and Swasey Co Turning Div |
| 74573 | 5/9 Secondary reference U.S. Government activity |
| 25C559 | 5/9 Secondary reference Warner and Swasey Co Turning Div |
| 25C539 | 5/9 Secondary reference Warner and Swasey Co Turning Div |
NSN 5330-00-282-5861 is a Seal,plain Encased, manufactured by Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-282-5861 has 2 manufacturer part numbers on file: 1801 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc), 63X1801 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc).
4 possible matches (shared part number, not a government interchangeability claim): 5330-00-641-4307, 4820-01-188-3531, 4730-01-188-3773. Verify interchangeability with system specifications before substitution.
Key specifications for 1801: Seal Width: 0.375 INCHES NOMINAL IN; Sealing Element Style: ANGULAR; Maximum Pressure Rating: 7.0 POUNDS PER SQUARE INCH (PSI) LBS; Housing Bore Diameter: 3.189 INCHES NOMINAL IN. 9 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.