The Insulator,disk, cataloged under National Stock Number 5970-00-868-2893, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5970-00-868-2893 |
| Primary Part Number | 4647-33 |
| Item Name | Insulator,disk |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives |
| Status | ACTIVE |
| First Hole Diameter | 0.246 INCHES NOMINAL IN |
| Style Designator | DRILLED, FLAT |
| Outside Diameter | 3.375 INCHES NOMINAL IN |
| Second Hole Spacing | 2.812 INCHES NOMINAL IN |
| Second Hole Diameter | 0.281 INCHES NOMINAL IN |
| First Hole Spacing | 0.351 INCHES NOMINAL IN |
| Material | OVERALL,FAIRPRENE,NYLON INSERT |
| 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 |
|---|---|
| 4647-33 PRIMARY | Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA) |
| Reference | Meaning |
|---|---|
| 4647-33-G | 5/9 Secondary reference Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives |
NSN 5970-00-868-2893 is a Insulator,disk, manufactured by Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-868-2893 has 1 manufacturer part number on file: 4647-33 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives).
1 possible match (shared part number, not a government interchangeability claim): 5331-00-914-0755. Verify interchangeability with system specifications before substitution.
Key specifications for 4647-33: Overall Height: 0.022 INCHES MINIMUM AND 0.028 INCHES MAXIMUM IN; First Hole Diameter: 0.246 INCHES NOMINAL IN; Style Designator: DRILLED, FLAT; Outside Diameter: 3.375 INCHES NOMINAL IN. 7 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.