# NSN 5305-01-611-4124: Screw, Cap, Socket Head

NSN 5305-01-611-4124 (also written 5305016114124; NIIN 01-611-4124) is a screw, cap, socket head in Federal Supply Class 5305, Screws. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Oct 2026.

## Identification

- NSN: 5305-01-611-4124 (5305016114124)
- NIIN: 01-611-4124 (016114124)
- Item name: SCREW,CAP,SOCKET HEAD
- Federal Supply Class: [FSC 5305 Screws](https://nsnexplorer.com/fsc/5305/)
- 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 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 6G |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | MILLIMETERS NOMINAL 14.00 |
| AASB | FASTENER LENGTH | MILLIMETERS MINIMUM 19.58 AND MILLIMETERS MAXIMUM 20.42 |
| AASK | HEAD STYLE | — |
| AASL | HEAD DIAMETER | MILLIMETERS MINIMUM 6.78 AND MILLIMETERS MAXIMUM 7.22 |
| AASU | HEAD HEIGHT | MILLIMETERS MINIMUM 3.82 AND MILLIMETERS MAXIMUM 4.00 |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AGAV | END ITEM IDENTIFICATION | MRAP-BUFFALO A1; MRAP BUFFALO MK2A2 |
| AHYM | NOMINAL THREAD DIAMETER | MILLIMETERS 4.0 |
| ASDB | WIDTH ACROSS FLATS | MILLIMETERS MINIMUM 3.020 AND MILLIMETERS MAXIMUM 3.080 |
| CQQR | THREAD PITCH IN MILLIMETERS | 0.70 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | M4-0.7X20DIN912 A-2 STAINLESS STEEL SOCKET HEAD CAP SCREW |
| MATT | MATERIAL | OVERALL STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE IAW ISO 3506,ART 1 |
| SFTT | SURFACE TREATMENT | OVERALL PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE TREATMENT RESPONSE AST- A380 |
| THSD | THREAD SERIES DESIGNATOR | M |
| ZZZK | SPECIFICATION/STANDARD DATA | PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD D8286-DIN912 |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | LENGTH 20 AND MATERIAL A2 AND SIZE -4 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| MS2530020A20000 | 0Y3H3 | FASTENAL COMPANY DBA FASTENAL CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-01 | [SPE4A027P0103](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305016114124) | SCREW, CAP, SOCKET HE | — | $15.95 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305016114124&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305016114124
- 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/5305-01-611-4124/
JSON: https://nsnexplorer.com/api/nsn/5305-01-611-4124.json