The Insulator,bushing, cataloged under National Stock Number 5970-01-177-5899, 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12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-177-5899 |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Status | ACTIVE |
| Screw Thread Diameter and Location | 0.250 MOUNTING FACILITY INCHES NOMINAL |
| Flange Thickness | 0.391 INCHES NOMINAL IN |
| Thread Length and Location | 0.500 MOUNTING FACILITY INCHES NOMINAL |
| Shank Height | 0.875 INCHES NOMINAL IN |
| Screw Thread Quantity Per Inch and Location | 28 MOUNTING FACILITY |
| Style Designator | CYLINDRICAL |
| Screw Thread Series Designator and Location | MOUNTING FACILITY UNF |
| Outside Diameter | 0.375 INCHES NOMINAL IN |
| Shank Outside Diameter | 0.266 INCHES NOMINAL IN |
| Inside Diameter | 0.125 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Thread Class and Location | 3A MOUNTING FACILITY A |
| 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 |
|---|---|
| 100A0284 | 3/9 Design control — primary reference Siemens Energy & Automation, Inc. Dba Siemens Airfield Solutions Div Siemens Energy & Automation Dba Siemens Airfield Solutions |
NSN 5970-01-177-5899 is a Insulator,bushing, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
Key specifications for 5970-01-177-5899: Screw Thread Diameter and Location: 0.250 MOUNTING FACILITY INCHES NOMINAL; Overall Height: 1.766 INCHES NOMINAL IN; Flange Thickness: 0.391 INCHES NOMINAL IN; Thread Length and Location: 0.500 MOUNTING FACILITY INCHES NOMINAL. 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.