The Insulator,bushing, cataloged under National Stock Number 5970-00-583-1560, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-00-583-1560 |
| Primary Part Number | 458-979 |
| Item Name | Insulator,bushing |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| Status | ACTIVE |
| Shank Height | 0.025 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Outside Diameter | 0.469 INCHES NOMINAL IN |
| Shank Outside Diameter | 0.312 INCHES NOMINAL IN |
| Inside Diameter | 0.112 INCHES NOMINAL IN |
| Material | RUBBER 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 |
|---|---|
| 458-979 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| Reference | Meaning |
|---|---|
| 458-979 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Div Es Defensive Systems Division |
| 458-979 | 5/9 Secondary reference Scomill Inc |
| A458-979 | C/1 Advisory reference — outside the item-of-supply concept Scomill Inc |
NSN 5970-00-583-1560 is a Insulator,bushing, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-00-583-1560 has 1 manufacturer part number on file: 458-979 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple).
1 possible match (shared part number, not a government interchangeability claim): 4820-00-915-4503. Verify interchangeability with system specifications before substitution.
Key specifications for 458-979: Overall Height: 0.187 INCHES NOMINAL IN; Shank Height: 0.025 INCHES NOMINAL IN; Style Designator: SHOULDER; Outside Diameter: 0.469 INCHES NOMINAL IN. 6 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.