# NSN 5310-00-088-6880: Washer, Flat

NSN 5310-00-088-6880 (also written 5310000886880; NIIN 00-088-6880) is a washer, flat in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-00-088-6880 (5310000886880)
- NIIN: 00-088-6880 (000886880)
- Item name: WASHER,FLAT
- Federal Supply Class: [FSC 5310 Nuts and Washers](https://nsnexplorer.com/fsc/5310/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABMW | PERIPHERAL SHAPE STYLE | — |
| CQFM | HARDNESS RATING | ROCKWELL SUPERFICIAL 15-N MINIMUM 83.0 AND ROCKWELL SUPERFICIAL 15-N MAXIMUM 85.5 |
| ADAV | OVERALL DIAMETER | INCHES MINIMUM 0.810 AND INCHES MAXIMUM 0.814 |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| HEAT | HEAT TREATMENT | AS FABRICATED |
| MATT | MATERIAL | OVERALL STEEL COMP 304 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5513 |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.576 AND INCHES MAXIMUM 0.580 |
| ABMX | CENTER HOLE SHAPE STYLE | — |
| ABNM | THICKNESS | INCHES MINIMUM 0.077 AND INCHES MAXIMUM 0.079 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 589139-25 | 45934 | ONTIC ENGINEERING & MANUFACTURING, INC DBA ONTIC US | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 589139-25 | 73030 | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE | [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=5310000886880&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310000886880
- 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/5310-00-088-6880/
JSON: https://nsnexplorer.com/api/nsn/5310-00-088-6880.json