# NSN 5310-01-689-9549: Washer, Flat

NSN 5310-01-689-9549 (also written 5310016899549; NIIN 01-689-9549) is a washer, flat in Federal Supply Class 5310, Nuts and Washers. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5310-01-689-9549 (5310016899549)
- NIIN: 01-689-9549 (016899549)
- 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 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.161 AND INCHES MAXIMUM 0.171 |
| ABMW | PERIPHERAL SHAPE STYLE | — |
| ABMX | CENTER HOLE SHAPE STYLE | — |
| ABNM | THICKNESS | INCHES MINIMUM 0.007 AND INCHES MAXIMUM 0.017 |
| ADAV | OVERALL DIAMETER | INCHES MINIMUM 0.307 AND INCHES MAXIMUM 0.317 |
| AGAV | END ITEM IDENTIFICATION | MK11 SYSTEM N |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | PANEL SCREW RETAINER WASHER |
| MATT | MATERIAL | OVERALL STEEL CORROSION RESISTING |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 800011SS | 51506 | ACCURATE SCREW MACHINE CORP DIV ACCURATE SCREW MACHINE CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-05 | [SPE4A627P1212](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016899549) | WASHER, FLAT | — | $750.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310016899549&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016899549
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- 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/5310-01-689-9549/
JSON: https://nsnexplorer.com/api/nsn/5310-01-689-9549.json