The Insulator,disk, cataloged under National Stock Number 5970-00-133-4374, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5970-00-133-4374 |
| Item Name | Insulator,disk |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Status | ACTIVE |
| First Hole Diameter | 0.026 INCHES NOMINAL IN |
| Style Designator | DRILLED, FLAT |
| Material Document and Classification | MIL-P-22241, TYPE 1, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.266 INCHES NOMINAL IN |
| First Hole Spacing | 0.200 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 709-1-311 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5970-00-133-4374 is a Insulator,disk, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-235-9420, 5307-01-264-1215. Verify interchangeability with system specifications before substitution.
Key specifications for 5970-00-133-4374: Overall Height: 0.031 INCHES NOMINAL IN; First Hole Diameter: 0.026 INCHES NOMINAL IN; Style Designator: DRILLED, FLAT; Material Document and Classification: MIL-P-22241, TYPE 1, GRADE B MIL SPEC SINGLE MATERIAL RESPONSE OVERALL. 6 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.