The Insulator,washer, cataloged under National Stock Number 5970-01-118-6746, 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 Prestolite Electric Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-118-6746 |
| Primary Part Number | 78420 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Prestolite Electric Inc |
| Status | ACTIVE |
| Material and Location | OVERALL PLASTIC, NEMA G-10 |
| Style Designator | ROUND, FLAT |
| Outside Diameter | 0.670 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN |
| Inside Diameter | 0.270 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 78420 | Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc (USA) |
| 78420 PRIMARY | Prestolite Electric Inc (USA) |
| 78420 | Amz Alabama Inc. (USA) |
| Reference | Meaning |
|---|---|
| 78420 | 5/9 Secondary reference Prestolite Electric Inc |
| Z082078420 | 5/9 Secondary reference Prestolite Electric Inc |
| 2BE644 | C/1 Advisory reference — outside the item-of-supply concept Oshkosh Corp |
| 10505770 | 7/2 Vendor item drawing reference General Dynamics Land Systems Canadacorp |
NSN 5970-01-118-6746 is a Insulator,washer, manufactured by Prestolite Electric Inc, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-118-6746 has 3 manufacturer part numbers on file: 78420 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 78420 (Prestolite Electric Inc), 78420 (Amz Alabama Inc.).
Key specifications for 78420: Overall Height: 0.054 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN; Material and Location: OVERALL PLASTIC, NEMA G-10; Style Designator: ROUND, FLAT; Outside Diameter: 0.670 INCHES MINIMUM AND 0.710 INCHES MAXIMUM 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.