# NSN 5310-00-163-4538: Nut, Plain, Hexagon

NSN 5310-00-163-4538 (also written 5310001634538; NIIN 00-163-4538) is a nut, plain, hexagon in Federal Supply Class 5310, Nuts and Washers. 5 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5310-00-163-4538 (5310001634538)
- NIIN: 00-163-4538 (001634538)
- Item name: NUT,PLAIN,HEXAGON
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-14)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3B |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-S-763 |
| ALET | HOLE TYPE AND QUANTITY | DRILLED 1 |
| ADEA | NUT HEIGHT | INCHES NOMINAL 0.281 |
| CRTM | BEARING SURFACE TYPE | CHAMFERED |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| ASDB | WIDTH ACROSS FLATS | INCHES MINIMUM 0.365 AND INCHES MAXIMUM 0.378 |
| BZRR | THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQJX | NOMINAL THREAD SIZE | INCHES 0.190 |
| AGGP | DRILLED HOLE DIAMETER | INCHES NOMINAL 0.070 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ-S-365 |
| CSXL | BEARING SURFACE FINISH | MICROINCHES 150.0 |
| PMLC | PRECIOUS MATERIAL AND LOCATION | SILVER SURFACE TREAT-ENT |
| ACTA | NUT STYLE | — |
| SFTT | SURFACE TREATMENT | OVERALL SILVER |
| MATT | MATERIAL | OVERALL STEEL COMP 305 |
| PRMT | PRECIOUS MATERIAL | SILVER |
| CRSQ | COUNTERSINK ANGLE | NUT DEGREES MINIMUM 88.0 AND DEGREES MAXIMUM 92.0 |
| CRHC | HOLE CONFIGURATION STYLE | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 02-15670 | 45934 | ONTIC ENGINEERING & MANUFACTURING, INC DBA ONTIC US | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 02-15670 | 99167 | HAMILTON SUNDSTRAND CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS103C1032 | 00624 | EATON AEROQUIP LLC DBA JACKSON NORTH 1 DIV FLUID AND ELECTRICAL DISTRIBUTION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS103C1032 | 8W928 | EATON AEROQUIP LLC DBA JACKSON NORTH 1 | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS103C1032 | R1120 | SATAIR A/S | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-13 | [SPE4A124G0043/SPE4A626F5321](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310001634538) | NUT, PLAIN, HEXAGON | AAR SUPPLY CHAIN, INC DBA AAR DEFENSE SYSTEMS & LOGISTICS | $1,997.46 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310001634538&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310001634538
- 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/5310-00-163-4538/
JSON: https://nsnexplorer.com/api/nsn/5310-00-163-4538.json