# NSN 5305-01-184-0846: Screw, Close Tolerance

NSN 5305-01-184-0846 (also written 5305011840846; NIIN 01-184-0846) is a screw, close tolerance in Federal Supply Class 5305, Screws. 4 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5305-01-184-0846 (5305011840846)
- NIIN: 01-184-0846 (011840846)
- Item name: SCREW,CLOSE TOLERANCE
- 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: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES MINIMUM 0.425 AND INCHES MAXIMUM 0.465 |
| AASB | FASTENER LENGTH | INCHES MINIMUM 0.685 AND INCHES MAXIMUM 0.705 |
| AASK | HEAD STYLE | — |
| AASL | HEAD DIAMETER | INCHES MINIMUM 0.360 AND INCHES MAXIMUM 0.374 |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.115 AND INCHES MAXIMUM 0.125 |
| AAUR | GRIP DIAMETER | INCHES MINIMUM 0.1890 AND INCHES MAXIMUM 0.1895 |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.190 |
| ANEE | GRIP LENGTH | INCHES MINIMUM 0.240 AND INCHES MAXIMUM 0.260 |
| ASDB | WIDTH ACROSS FLATS | INCHES MINIMUM 0.125 AND INCHES MAXIMUM 0.127 |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQBC | MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 180000 |
| CSYM | SURFACE FINISH | GRIP MICROINCHES 32.0 |
| CSYM | SURFACE FINISH | BEARING SURFACE OF HEAD MICROINCHES 32.0 |
| CSYM | SURFACE FINISH | THREADS MICROINCHES 32.0 |
| FEAT | SPECIAL FEATURES | 3 KEYWAY5 0.655 INCHMIN. AND 0.685 INCH MAX. LG. 0.030 INCH MIN. AND 0.034 INCH MAX WIDE MACHINED IN SHANK. BORE MACHINED IN THREAD END TO RECEIVE PLUG |
| MATT | MATERIAL | OVERALL IRON ALLOY 660 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 5732 |
| SFTT | SURFACE TREATMENT | OVERALL PASSIVATE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--35 |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| CA21017-3-04 | 29372 | HOWMET GLOBAL FASTENING SYSTEMS INC. DIV TRIDAIR PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| FIT01-0001-3004 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| LE111-0001-3004 | 43999 | THE BOEING COMPANY DIV LEGACY AM&M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| LE111-0001-3004 | 58998 | FASTENER INNOVATION TECHNOLOGY, INC. | [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=5305011840846&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305011840846
- 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/5305-01-184-0846/
JSON: https://nsnexplorer.com/api/nsn/5305-01-184-0846.json