# NSN 5305-01-682-0650: Screw, Close Tolerance

NSN 5305-01-682-0650 (also written 5305016820650; NIIN 01-682-0650) is a screw, close tolerance in Federal Supply Class 5305, Screws. 12 manufacturer part numbers from 10 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5305-01-682-0650 (5305016820650)
- NIIN: 01-682-0650 (016820650)
- 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 B: must be bought from the sources named on a source control or selected item drawing. (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 NOMINAL 0.403 |
| AASB | FASTENER LENGTH | INCHES NOMINAL 0.903 |
| AASK | HEAD STYLE | — |
| AASL | HEAD DIAMETER | INCHES MINIMUM 0.350 AND INCHES MAXIMUM 0.399 |
| AASU | HEAD HEIGHT | INCHES NOMINAL 0.063 |
| AAUR | GRIP DIAMETER | INCHES MINIMUM 0.2485 AND INCHES MAXIMUM 0.2495 |
| AAUY | POINT LENGTH | INCHES NOMINAL 0.045 |
| ABQJ | POINT STYLE | — |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AGAV | END ITEM IDENTIFICATION | F16 |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.2500 |
| ANEE | GRIP LENGTH | INCHES NOMINAL 0.500 |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 4400 |
| CQFM | HARDNESS RATING | OVERALL ROCKWELL C MINIMUM 46.0 AND ROCKWELL C MAXIMUM 50.0 |
| CRSQ | COUNTERSINK ANGLE | DEGREES MINIMUM 99.0 AND DEGREES MAXIMUM 101.0 |
| CWDK | POINT CHAMFER ANGLE | DEGREES NOMINAL 45.0 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT |
| FEAT | SPECIAL FEATURES | SURFACE TEXTURE PER ANSI/ASME B46.1, CONICAL SURFACE OF HEAD, SHANK, FILLET, AREA AND THREAD ELEMENTS 32 RHR MAX. ALL OTHER SURFACES 125 RHR MAX; FINISH- ION VAPOR DEPOSITED ALUMINM COATING PER MIL-C-83488 TYPE II CLASS 3 WITH DRY FILM LUBE PER MIL-L-46010, TYPE I APPLIED OVER ALUMINM COATING |
| MATT | MATERIAL | OVERALL STEEL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL NATIONAL STD SINGLE MATERIAL RESPONSE A-S-6487 |
| SFTT | SURFACE TREATMENT | OVERALL ALUMINUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE TREATMENT RESPONSE -IL-C-83488 TYE II, CLASS 3 |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 121558-4-A8B | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 121558-4-A8B | 80539 | SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 985B4-8 | 06725 | SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AIC985-4-8B | 06725 | SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AIC985B4-8 | 06725 | SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| C7985B4-8 | 81755 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| H185B4-8 | 97928 | HUCK INTL INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| PBF1166B4-8 | 17446 | HUCK INTERNATIONAL, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| PBF1166B4-8 | 27624 | SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SF117B4-8 | 0K6Z0 | SATURN FASTENERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| VT1694AS4-8 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| VT1694AS4-8 | 92215 | HOWMET GLOBAL FASTENING SYSTEMS INC DIV TORRANCE OPERATIONS | [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=5305016820650&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305016820650
- 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/5305-01-682-0650/
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