The Insulator,bushing, cataloged under National Stock Number 5970-00-185-0337, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-00-185-0337 |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Status | ACTIVE |
| First Step Diameter | 1.620 INCHES MINIMUM AND 1.627 INCHES MAXIMUM IN |
| Flange Thickness | 0.031 INCHES NOMINAL IN |
| First Counterbore Diameter | 1.249 INCHES MINIMUM AND 1.254 INCHES MAXIMUM IN |
| Style Designator | STEPPED, ROUND |
| Material Document and Classification | DELRIN 500, E I DUPONT DE NEMOURS AND CO INC MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.968 INCHES NOMINAL IN |
| First Counterbore Depth | 0.094 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN |
| Second Step Diameter | 0.865 INCHES MINIMUM AND 0.872 INCHES MAXIMUM IN |
| Inside Diameter | 0.812 INCHES NOMINAL IN |
| First Step Height | 0.180 INCHES NOMINAL IN |
| Material | POLYOXYMETHYLENE, ACETAL HOMOPOLYMER (POM-H) OVERALL |
| Second Step Height | 0.375 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 050599 | C/1 Advisory reference — outside the item-of-supply concept Miller Electric Mfg. Llc |
| 23602081 | 5/2 Secondary reference U.S. Government activity |
| 050599 | 3/9 Design control — primary reference Miller Electric Mfg. Co. |
NSN 5970-00-185-0337 is a Insulator,bushing, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
Key specifications for 5970-00-185-0337: First Step Diameter: 1.620 INCHES MINIMUM AND 1.627 INCHES MAXIMUM IN; Flange Thickness: 0.031 INCHES NOMINAL IN; First Counterbore Diameter: 1.249 INCHES MINIMUM AND 1.254 INCHES MAXIMUM IN; Style Designator: STEPPED, ROUND. 12 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.