The Seal,plain, cataloged under National Stock Number 5330-01-326-3479, 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 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5330-01-326-3479 |
| Primary Part Number | 21823-1471 |
| Item Name | Seal,plain |
| 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 |
| Criticality Code Justification | FEAT |
| Housing Bore Diameter | 2.997 INCHES NOMINAL IN |
| Accommodated Shaft Diameter | 2.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 21823-1471 PRIMARY | Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA) |
| Reference | Meaning |
|---|---|
| 820-5787325ITEM29 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 5330-01-326-3479 is a Seal,plain, manufactured by Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-326-3479 has 1 manufacturer part number on file: 21823-1471 (Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-714-1416. Verify interchangeability with system specifications before substitution.
Key specifications for 21823-1471: Seal Width: 0.375 INCHES NOMINAL IN; Criticality Code Justification: FEAT; Housing Bore Diameter: 2.997 INCHES NOMINAL IN; Special Features: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 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.