# NSN 5310-01-652-1858: Nut, Self-Locking, Extended Washer

NSN 5310-01-652-1858 (also written 5310016521858; NIIN 01-652-1858) is a nut, self-locking, extended washer in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5310-01-652-1858 (5310016521858)
- NIIN: 01-652-1858 (016521858)
- Item name: NUT,SELF-LOCKING,EXTENDED WASHER
- 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 |
| --- | --- | --- |
| BZRR | THREAD SERIES | MJ |
| ASDB | WIDTH ACROSS FLATS | MILLIMETERS MINIMUM 11.73 AND MILLIMETERS MAXIMUM 12.00 |
| ACTA | NUT STYLE | — |
| PRMT | PRECIOUS MATERIAL | SILVER |
| SFTT | SURFACE TREATMENT | OVERALL SILVER |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE TREATMENT RESPONSE A-S2410 |
| AAVX | WASHER OUTSIDE DIAMETER | MILLIMETERS MINIMUM 15.8 |
| ABKW | OVERALL HEIGHT | MILLIMETERS MAXIMUM 9.0 |
| AAUM | LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| ADEM | WASHER THICKNESS | MILLIMETERS MINIMUM 1.1 |
| AGAV | END ITEM IDENTIFICATION | 1055-01-536-7106 |
| AAJE | THREAD PITCH DIAMETERS | MILLIMETERS 10.0 TO 10.6 |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| CQJX | NOMINAL THREAD SIZE | MILLIMETERS 10.0 |
| CQQR | THREAD PITCH IN MILLIMETERS | 1.25 |
| MATT | MATERIAL | OVERALL STEEL CORROSION RESISTING |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S5525 OR ASSN STD SINGLE MATERIAL RESPONSE A-S5732 OR ASSN STD SINGLE MATERIAL RESPONSE A-S5737 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5310PL2352295 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| NA0034C100M | 64059 | LOCKHEED MARTIN CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| NA0034C100M | 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/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-08-26 | $19.65 | 397 | SEY TEC, INC. DBA SEY TEC INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016521858) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-26 | [SPE4A626V331P](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016521858) | NUT, SELF-LOCKING, EX | SEY TEC, INC. DBA SEY TEC INC | $7,801.05 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310016521858&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310016521858
- 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/5310-01-652-1858/
JSON: https://nsnexplorer.com/api/nsn/5310-01-652-1858.json