The Insulator,bushing, cataloged under National Stock Number 5970-01-225-4398, 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 Monadnock Company, the Dba Lisi Aerospace. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-225-4398 |
| Primary Part Number | 294839 |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Monadnock Company, the Dba Lisi Aerospace |
| Status | ACTIVE |
| Screw Thread Diameter and Location | 0.250 OVERALL INCHES NOMINAL |
| Surface Treatment and Location | OVERALL ANODIZED,MIL-A-8625,TYPE III |
| Identification Code Color | BLACK OR GRAY/GREY |
| Thread Length and Location | 0.051 OVERALL INCHES NOMINAL |
| Shank Height | 0.029 INCHES MAXIMUM IN |
| Screw Thread Quantity Per Inch and Location | 28 OVERALL |
| Style Designator | SHOULDER |
| Material Document and Classification | QQ-A-225/8, ALLOY 6061, T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Screw Thread Series Designator and Location | OVERALL UNF |
| Outside Diameter | 0.560 INCHES NOMINAL IN |
| Shank Outside Diameter | 0.300 INCHES MAXIMUM IN |
| Inside Diameter | 0.250 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 OR ALUMINUM ALLOY 6061 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 |
|---|---|
| 294839 PRIMARY | Monadnock Company, the Dba Lisi Aerospace (USA) |
| Reference | Meaning |
|---|---|
| 11443218-3 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
NSN 5970-01-225-4398 is a Insulator,bushing, manufactured by Monadnock Company, the Dba Lisi Aerospace, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-225-4398 has 1 manufacturer part number on file: 294839 (Monadnock Company, the Dba Lisi Aerospace).
Key specifications for 294839: Screw Thread Diameter and Location: 0.250 OVERALL INCHES NOMINAL; Overall Height: 0.051 INCHES NOMINAL IN; Surface Treatment and Location: OVERALL ANODIZED,MIL-A-8625,TYPE III; Identification Code Color: BLACK OR GRAY/GREY. 13 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.