# NSN 5310-00-336-2841: Washer, Key

NSN 5310-00-336-2841 (also written 5310003362841; NIIN 00-336-2841) is a washer, key in Federal Supply Class 5310, Nuts and Washers. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5310-00-336-2841 (5310003362841)
- NIIN: 00-336-2841 (003362841)
- 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 2026-11-06)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5504 |
| ABLX | OVERALL DISTANCE INCLUDING KEYS | INCHES MINIMUM 0.568 AND INCHES MAXIMUM 0.588 |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 0.740 AND INCHES MAXIMUM 0.760 |
| ABLS | DISTANCE FROM CENTERLINE TO INSIDE OF PREBENT KEY | INCHES MINIMUM 0.264 AND INCHES MAXIMUM 0.274 |
| FEAT | SPECIAL FEATURES | CRITICAL REQUIREMENTS DUE TO CRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES AND MANUFACTURING PROCESS. FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM, DEATH OR SERIOUS INJURY |
| ABLF | EXTERNAL PREBENT KEY WIDTH | INCHES MINIMUM 0.110 AND INCHES MAXIMUM 0.115 |
| ABLB | INTERNAL PREBENT KEY LENGTH | INCHES MINIMUM 0.050 AND INCHES MAXIMUM 0.060 |
| SFTT | SURFACE TREATMENT | OVERALL PASSIVATE |
| ABPX | MATERIAL THICKNESS | INCHES MINIMUM 0.027 AND INCHES MAXIMUM 0.035 |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.255 AND INCHES MAXIMUM 0.260 |
| ABMQ | EXTERNAL KEY QUANTITY | 1 |
| ABKY | EXTERNAL PREBENT KEY LENGTH | INCHES MINIMUM 0.078 AND INCHES MAXIMUM 0.098 |
| MATT | MATERIAL | OVERALL STEEL COMP 410 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 227340 | 52661 | RTX CORPORATION DIV PRATT & WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 227340 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY | [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=5310003362841&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310003362841
- 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/5310-00-336-2841/
JSON: https://nsnexplorer.com/api/nsn/5310-00-336-2841.json