The Insulator,washer, cataloged under National Stock Number 5970-01-019-7970, 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 Reliance Mica Company, Inc.. Government technical data includes 4 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5970-01-019-7970 |
| Primary Part Number | 788C970H05 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Reliance Mica Company, Inc. |
| Status | ACTIVE |
| Style Designator | ROUND, FLAT |
| Outside Diameter | 0.330 INCHES NOMINAL IN |
| Inside Diameter | 0.290 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 |
|---|---|
| 788C970H05 PRIMARY | Reliance Mica Company, Inc. (USA) |
| 788C970H05 | Northrop Grumman Support Services Corp (USA) |
| Reference | Meaning |
|---|---|
| 788C970H05 | 5/9 Secondary reference Fluorglas a Unit of Allied-Signal Inc |
| 788C970H05 | 5/9 Secondary reference U.S. Government activity |
NSN 5970-01-019-7970 is a Insulator,washer, manufactured by Reliance Mica Company, Inc., classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-019-7970 has 2 manufacturer part numbers on file: 788C970H05 (Reliance Mica Company, Inc.), 788C970H05 (Northrop Grumman Support Services Corp).
Key specifications for 788C970H05: Overall Height: 0.063 INCHES NOMINAL IN; Style Designator: ROUND, FLAT; Outside Diameter: 0.330 INCHES NOMINAL IN; Inside Diameter: 0.290 INCHES NOMINAL IN. 4 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.