The Insulator,disk, cataloged under National Stock Number 5970-01-331-5812, 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 Naval Sea Systems Command. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-331-5812 |
| Primary Part Number | 5859553-1 |
| Item Name | Insulator,disk |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Material Document and Classification | MIL-P-22241, TYPE 1, GRADE A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 2.000 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 |
| Part Number | Manufacturer |
|---|---|
| 5859553-1 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 5859553 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5970-01-331-5812 is a Insulator,disk, manufactured by Naval Sea Systems Command, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-331-5812 has 1 manufacturer part number on file: 5859553-1 (Naval Sea Systems Command).
Key specifications for 5859553-1: Overall Height: 0.630 INCHES NOMINAL IN; Material Document and Classification: MIL-P-22241, TYPE 1, GRADE A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 2.000 INCHES NOMINAL IN; Special Features: SPERICAL RAD11; 3 HOLES EQUALLY SPACED 0.140 BY 0.500 INCHES DEEP IN. 3 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.