# NSN 5310-00-186-1030: Washer, Key

NSN 5310-00-186-1030 (also written 5310001861030; NIIN 00-186-1030) is a washer, key in Federal Supply Class 5310, Nuts and Washers. 13 manufacturer part numbers from 12 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5310-00-186-1030 (5310001861030)
- NIIN: 00-186-1030 (001861030)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-27)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 1.281 AND INCHES MAXIMUM 1.296 |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.989 AND INCHES MAXIMUM 1.009 |
| ABLF | EXTERNAL PREBENT KEY WIDTH | INCHES MINIMUM 0.146 AND INCHES MAXIMUM 0.166 |
| ABLK | INTERNAL PREBENT KEY WIDTH | INCHES MINIMUM 0.156 AND INCHES MAXIMUM 0.176 |
| ABLB | INTERNAL PREBENT KEY LENGTH | INCHES MINIMUM 0.094 AND INCHES MAXIMUM 0.125 |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | INCHES MAXIMUM 1.719 |
| ABMQ | EXTERNAL KEY QUANTITY | 13 |
| ABPX | MATERIAL THICKNESS | INCHES MINIMUM 0.046 AND INCHES MAXIMUM 0.054 |
| CQFM | HARDNESS RATING | ROCKWELL B MINIMUM 50.0 AND ROCKWELL B MAXIMUM 81.0 |
| MATT | MATERIAL | OVERALL STEEL COMP 1005 OR STEEL COMP 1006 OR STEEL COMP 1008 OR STEEL COMP 1010 OR STEEL COMP 1015 OR STEEL COMP 1016 OR STEEL COMP 1018 OR STEEL COMP 1025 OR STEEL COMP 1030 OR STEEL COMP 1035 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED STD ALL MATERIAL RESPONSES 66 |
| STYL | STYLE DESIGNATOR | — |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 236-1017P6 | 49956 | RAYTHEON COMPANY DIV CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 236-1017P6 | 94144 | RAYTHEON COMPANY DBA RAYTHEON | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B31-10090-6 | 04655 | GENERAL DYNAMICS MISSION SYSTEMS, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MILW21338TYPE1CLASS3SIZE05 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| P14C4796-6 | 79500 | WESTINGHOUSE ELECTRIC CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| P14C4796-6 | 83843 | SUNDSTRAND CORP ELECTRIC POWER SYSTEMS DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| P14C4796-6 | 99167 | HAMILTON SUNDSTRAND CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| VJ317 | 08484 | BREEZE-EASTERN LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| W05CADMIUMPLATED | 24617 | GENERAL MOTORS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| W05CADMIUMPLATED | 43334 | GENERAL MOTORS CORP DELCO MORAINE NDH DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| W05CADMIUMPLATED | 79568 | WHITTET-HIGGINS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| W05CADMIUMPLATED | 7X677 | GENERAL MOTORS LLC DBA GENERAL MOTORS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| W05S18 | 79568 | WHITTET-HIGGINS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-09 | [SPEHA626P0381](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310001861030) | WASHER, KEY | ALAMO AIRCRAFT, LTD. | $756.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310001861030&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310001861030
- 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/5310-00-186-1030/
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