# NSN 5331-01-687-8523: O-Ring

NSN 5331-01-687-8523 (also written 5331016878523; NIIN 01-687-8523) is an o-ring in Federal Supply Class 5331, O-Rings. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5331-01-687-8523 (5331016878523)
- NIIN: 01-687-8523 (016878523)
- Item name: O-RING
- Federal Supply Class: [FSC 5331 O-Rings](https://nsnexplorer.com/fsc/5331/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- Acquisition method suffix code: AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABHE | OUTSIDE DIAMETER | INCHES NOMINAL 1.377 |
| ADVN | CROSS-SECTIONAL HEIGHT | INCHES NOMINAL 1.299 |
| ADYT | CENTER HOLE DIAMETER | INCHES NOMINAL 1.299 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | O-RING |
| FEAT | SPECIAL FEATURES | THICKNESS 0.039 INCHES |
| MATT | MATERIAL | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| KRP203321V-ORING | 50632 | KAMATICS CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-22 | [SPE7L126P9G45](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331016878523) | O-RING | MECHATRONICS, INC DBA NATIONAL PRECISION BEARING | $8,835.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5331016878523&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331016878523
- 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/5331-01-687-8523/
JSON: https://nsnexplorer.com/api/nsn/5331-01-687-8523.json