# NSN 5310-01-616-5300: Nut, Plain, Extended Washer, Hexago

NSN 5310-01-616-5300 (also written 5310016165300; NIIN 01-616-5300) is a nut, plain, extended washer, hexago 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: 5310-01-616-5300 (5310016165300)
- NIIN: 01-616-5300 (016165300)
- Item name: NUT,PLAIN,EXTENDED WASHER,HEXAGO
- 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 Z: a commercial, nondevelopmental or off-the-shelf item. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AAVX | WASHER OUTSIDE DIAMETER | MILLIMETERS NOMINAL 40.3 |
| ABKW | OVERALL HEIGHT | MILLIMETERS NOMINAL 25.0 |
| ACTA | NUT STYLE | — |
| AGAV | END ITEM IDENTIFICATION | 3930-01-599-9978 |
| ASDB | WIDTH ACROSS FLATS | MILLIMETERS NOMINAL 27.0 |
| BZRR | THREAD SERIES | M |
| CQFM | HARDNESS RATING | ROCKWELL C MINIMUM 28.0 AND ROCKWELL C MAXIMUM 32.0 |
| CQJX | NOMINAL THREAD SIZE | MILLIMETERS 18.0 |
| CQQR | THREAD PITCH IN MILLIMETERS | 1.5 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT,WHEEL M18X1.5 |
| MATT | MATERIAL | NUT STEEL COMP 1045 |
| MATT | MATERIAL | WASHER STEEL COMP 4140 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL MFR REF SINGLE TREATMENT RESPONSE OLYTETRAFLUOROETHYLENE COATED - 240 HOUR SALT SRAY |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 10388-02673 | 0Y3H3 | FASTENAL COMPANY DBA FASTENAL CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 11522912 | 0Y3H3 | FASTENAL COMPANY DBA FASTENAL CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CC-0010472 | 1NWY2 | INDEPENDENT ROUGH TERRAIN CENTER LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-3504 | 724 | 2026-10-20 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310016165300&category=nsn) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-29 | [SPE4A626PBBB3](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016165300) | NUT, PLAIN, EXTENDED WASHER, HEXAGON | — | $107.64 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310016165300&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016165300
- 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/5310-01-616-5300/
JSON: https://nsnexplorer.com/api/nsn/5310-01-616-5300.json