The Seal,plain Encased, cataloged under National Stock Number 5330-01-353-9540, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-353-9540 |
| Primary Part Number | 1808475 |
| 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 | 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| Sealing Element Style | VERTICAL |
| Housing Bore Diameter | 12.750 INCHES NOMINAL IN |
| Accommodated Shaft Maximum Rated Speed | 2000 FEET PER MINUTE FT |
| Cross-Sectional Shape Style | O-RING |
| Case Style | SQUARE |
| Accommodated Shaft Diameter | 12.730 INCHES MINIMUM AND 12.770 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING SPRING |
| Material | RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR 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 |
|---|---|
| 1808475 PRIMARY | Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA) |
| 23X6621 | Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA) |
| 1808475 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 23X6621 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5330-01-353-9540 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 5330-01-353-9540 has 3 manufacturer part numbers on file: 1808475 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc), 23X6621 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc), 1808475 (Northrop Grumman Systems Corporation).
Key specifications for 1808475: Seal Width: 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN; Sealing Element Style: VERTICAL; Housing Bore Diameter: 12.750 INCHES NOMINAL IN; Accommodated Shaft Maximum Rated Speed: 2000 FEET PER MINUTE FT. 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.