# NSN 5310-01-490-4418: Washer, Flat

NSN 5310-01-490-4418 (also written 5310014904418; NIIN 01-490-4418) is a washer, flat in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 2 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5310-01-490-4418 (5310014904418)
- NIIN: 01-490-4418 (014904418)
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-13)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.584 AND INCHES MAXIMUM 0.588 |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 1.037 AND INCHES MAXIMUM 1.047 |
| ABNM | THICKNESS | INCHES MINIMUM 0.071 AND INCHES MAXIMUM 0.085 |
| CQFM | HARDNESS RATING | ROCKWELL C MINIMUM 36.0 AND ROCKWELL C MAXIMUM 45.0 |
| FEAT | SPECIAL FEATURES | RECESS ANGLE: 44.0 DEG. MIN. AND 46.0 DEG. MAX.;STYLE DESIGNATOR: RECESSED |
| MATT | MATERIAL | OVERALL NICKEL ALLOY 718 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S559 OR ASSN STD SINGLE MATERIAL RESPONSE A-S5597 OR ASSN STD SINGLE MATERIAL RESPONSE A-S5662 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| MS14183L-C9 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS14183L-C9 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| NASM14183 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-2985 | 16 | 2026-10-20 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310014904418&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310014904418&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310014904418
- 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/5310-01-490-4418/
JSON: https://nsnexplorer.com/api/nsn/5310-01-490-4418.json