# NSN 5310-01-052-0035: Washer, Key

NSN 5310-01-052-0035 (also written 5310010520035; NIIN 01-052-0035) is a washer, key in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-01-052-0035 (5310010520035)
- NIIN: 01-052-0035 (010520035)
- Item name: WASHER,KEY
- 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 B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.837 AND INCHES MAXIMUM 0.842 |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 1.060 AND INCHES MAXIMUM 1.180 |
| ABLC | EXTERNAL STRAIGHT KEY WIDTH | INCHES NOMINAL 0.120 |
| ABLJ | INTERNAL STRAIGHT KEY WIDTH | INCHES MINIMUM 0.079 AND INCHES MAXIMUM 0.085 |
| ABLQ | DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY | INCHES MINIMUM 0.396 AND INCHES MAXIMUM 0.399 |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | INCHES MINIMUM 1.200 AND INCHES MAXIMUM 1.800 |
| ABMQ | EXTERNAL KEY QUANTITY | 6 |
| ABMR | INTERNAL KEY QUANTITY | 1 |
| ABPX | MATERIAL THICKNESS | INCHES NOMINAL 0.032 |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 214-040-836-001 | 97499 | BELL TEXTRON INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 214-040-836-1 | 97499 | BELL TEXTRON INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A14985P | 00736 | FALLS FILTRATION TECHNOLOGIES, INC. | [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=5310010520035&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310010520035
- 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/5310-01-052-0035/
JSON: https://nsnexplorer.com/api/nsn/5310-01-052-0035.json