The Insulator,washer, cataloged under National Stock Number 5970-01-180-8983, 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 Lake Shore Systems, Inc.. Government technical data includes 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-180-8983 |
| Primary Part Number | 2B1-134 |
| Item Name | Insulator,washer |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Style Designator | ROUND, FLAT |
| Material Document and Classification | PLASTIC,PHENOLIC,NEMA G3 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 12.875 INCHES NOMINAL IN |
| Inside Diameter | 6.500 INCHES NOMINAL IN |
| Material | PLASTIC EPOXY AND PAPER 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 |
|---|---|
| 2B1-134 PRIMARY | Lake Shore Systems, Inc. (USA) |
NSN 5970-01-180-8983 is a Insulator,washer, manufactured by Lake Shore Systems, Inc., classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-180-8983 has 1 manufacturer part number on file: 2B1-134 (Lake Shore Systems, Inc.).
Key specifications for 2B1-134: Overall Height: 0.031 INCHES NOMINAL IN; Style Designator: ROUND, FLAT; Material Document and Classification: PLASTIC,PHENOLIC,NEMA G3 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 12.875 INCHES NOMINAL IN. 5 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.