The Insulator,spreader, cataloged under National Stock Number 5970-01-388-1987, 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 Science Applications International Corporation. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-388-1987 |
| Primary Part Number | 21056-1 |
| Item Name | Insulator,spreader |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Science Applications International Corporation |
| Status | ACTIVE |
| Material | PLASTIC MELAMINE 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 |
|---|---|
| 21056-1 PRIMARY | Science Applications International Corporation (USA) |
NSN 5970-01-388-1987 is a Insulator,spreader, manufactured by Science Applications International Corporation, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-388-1987 has 1 manufacturer part number on file: 21056-1 (Science Applications International Corporation).
Key specifications for 21056-1: Overall Length: 2.570 INCHES NOMINAL IN; Material: PLASTIC MELAMINE 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.