# NSN 5970-00-498-6591: Insulator, Bushing

NSN 5970-00-498-6591 (also written 5970004986591; NIIN 00-498-6591) is an insulator, bushing in Federal Supply Class 5970, Electrical Insulators and Insulating Materials. 3 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5970-00-498-6591 (5970004986591)
- NIIN: 00-498-6591 (004986591)
- Item name: INSULATOR,BUSHING
- Federal Supply Class: [FSC 5970 Electrical Insulators and Insulating Materials](https://nsnexplorer.com/fsc/5970/)
- Federal Supply Group: [FSG 59](https://nsnexplorer.com/group/59/)
- Acquisition method suffix code: AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-11-01)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 0.100 |
| AARX | INSIDE DIAMETER | INCHES NOMINAL 0.266 |
| MATT | MATERIAL | OVERALL BERYLLIUM OXIDE |
| ABKV | OUTSIDE DIAMETER | INCHES NOMINAL 0.656 |
| AQZQ | SHANK HEIGHT | INCHES NOMINAL 0.040 |
| STYL | STYLE DESIGNATOR | — |
| AGGZ | SHANK OUTSIDE DIAMETER | INCHES NOMINAL 0.375 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 580R635H14 | 05327 | GENERAL CERAMICS INC NATIONAL BERYLLIA DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 580R635H14 | 48306 | NORTHROP GRUMMAN SUPPORT SERVICES CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 580R635H14 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5970004986591&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5970004986591
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/5970-00-498-6591/
JSON: https://nsnexplorer.com/api/nsn/5970-00-498-6591.json