The Insulator,plate, cataloged under National Stock Number 5970-00-421-1206, 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 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5970-00-421-1206 |
| Primary Part Number | 57538 |
| Item Name | Insulator,plate |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Prestolite Electric Inc |
| Status | ACTIVE |
| Material | PLASTIC POLYAMIDE NYLON 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 |
|---|---|
| 57538 PRIMARY | Prestolite Electric Inc (USA) |
| Reference | Meaning |
|---|---|
| A148057538 | 5/9 Secondary reference Prestolite Electric Inc |
| 57538 | 5/9 Secondary reference Prestolite Electric Inc |
NSN 5970-00-421-1206 is a Insulator,plate, manufactured by Prestolite Electric Inc, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-421-1206 has 1 manufacturer part number on file: 57538 (Prestolite Electric Inc).
2 possible matches (shared part number, not a government interchangeability claim): 3930-00-545-2319, 5905-00-813-8271. Verify interchangeability with system specifications before substitution.
Key specifications for 57538: Overall Length: 1.250 INCHES NOMINAL IN; Overall Width: 2.750 INCHES NOMINAL IN; Material: PLASTIC POLYAMIDE NYLON OVERALL. 1 specification is 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.