The Insulator,disk, cataloged under National Stock Number 5970-01-186-4553, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5970-01-186-4553 |
| Item Name | Insulator,disk |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Status | ACTIVE |
| Material Type | NATURAL AND UNBLEACHED AND KRAFT PAPER WOOD PULP PAPER COMPOSITION FOUR |
| Material Type | NATURAL AND UNBLEACHED AND PRESSBOARD WOOD PULP PAPER COMPOSITION FIVE |
| Material Type | NATURAL AND UNBLEACHED AND PRESS PAPER WOOD PULP PAPER COMPOSITION THREE |
| Material Type | NATURAL AND UNBLEACHED AND ELEPHANTIDE WOOD PULP PAPER COMPOSITION TWO |
| Material Type | NATURAL AND UNBLEACHED AND SULFATE PAPER WOOD PULP PAPER COMPOSITION ONE |
| First Hole Diameter | 0.116 INCHES NOMINAL IN |
| Material Form | FILM OR TAPE PLASTIC POLYIMIDE |
| Material Form | CLOTH OVERALL |
| Third Hole Diameter | 0.116 INCHES NOMINAL IN |
| Style Designator | DRILLED, FLAT |
| Outside Diameter | 0.810 INCHES NOMINAL IN |
| Second Hole Spacing | 0.625 INCHES NOMINAL IN |
| Second Hole Diameter | 0.250 INCHES NOMINAL IN |
| First Hole Spacing | 0.312 INCHES NOMINAL IN |
| Material | GLASS-CERAMIC OR MICA OR COTTON OR CERAMIC OR SILK OR FIBERGLASS OR GLASS OR PLASTIC POLYVINYL CHLORIDE (PVC) OR PLASTIC POLYIMIDE OR PLASTIC PHENOL FORMALDEHYDE (PMO) OR PULP, PAPER WOOD OR PLASTIC POLYURETHANE RESIN OR PLASTIC POLYESTER AND RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM OR RUBBER OR RESIN UNSATURATED POLYESTER (UPR) OR THERMOPLASTIC POLYURETHANE OR ORGANIC VARNISH 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 |
|---|---|
| 510960-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5970-01-186-4553 is a Insulator,disk, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2815-01-281-9534. Verify interchangeability with system specifications before substitution.
Key specifications for 5970-01-186-4553: Overall Height: 0.005 INCHES NOMINAL IN; Material Type: NATURAL AND UNBLEACHED AND KRAFT PAPER WOOD PULP PAPER COMPOSITION FOUR; Material Type: NATURAL AND UNBLEACHED AND PRESSBOARD WOOD PULP PAPER COMPOSITION FIVE; Material Type: NATURAL AND UNBLEACHED AND PRESS PAPER WOOD PULP PAPER COMPOSITION THREE. 15 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.