The Seal,special, cataloged under National Stock Number 5330-00-516-6028, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Atlas Copco Holyoke Inc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-516-6028 |
| Primary Part Number | SEL228 |
| Item Name | Seal,special |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Atlas Copco Holyoke Inc |
| Status | ACTIVE |
| General Characteristics Item Description | CIRCULAR SHAPED SEAL APPROX 8.000 IN. OD,0.688 IN. DIA CENTER HOLE,8 0.375 IN. DIA HOLES THRU FLANGE IN |
| 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 |
|---|---|
| SEL228 | Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA) |
| SEL228 PRIMARY | Atlas Copco Holyoke Inc (USA) |
| Reference | Meaning |
|---|---|
| SEL228 | 5/9 Secondary reference Siemens Energy, Inc. Dba Dresser-Rand |
| SEL228 | 5/9 Secondary reference U.S. Government activity |
NSN 5330-00-516-6028 is a Seal,special, manufactured by Atlas Copco Holyoke Inc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-516-6028 has 2 manufacturer part numbers on file: SEL228 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions), SEL228 (Atlas Copco Holyoke Inc).
Key specifications for SEL228: General Characteristics Item Description: CIRCULAR SHAPED SEAL APPROX 8.000 IN. OD,0.688 IN. DIA CENTER HOLE,8 0.375 IN. DIA HOLES THRU FLANGE IN. 1 specification is 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.