# NSN 5305-01-191-4494: Screw, Close Tolerance

NSN 5305-01-191-4494 (also written 5305011914494; NIIN 01-191-4494) is a screw, close tolerance in Federal Supply Class 5305, Screws. 5 manufacturer part numbers from 5 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5305-01-191-4494 (5305011914494)
- NIIN: 01-191-4494 (011914494)
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-11-03)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | INCHES MINIMUM 0.278 AND INCHES MAXIMUM 0.329 |
| AASB | FASTENER LENGTH | INCHES MINIMUM 0.981 AND INCHES MAXIMUM 1.001 |
| AASK | HEAD STYLE | — |
| AASL | HEAD DIAMETER | INCHES MINIMUM 0.477 AND INCHES MAXIMUM 0.492 |
| AASU | HEAD HEIGHT | INCHES MINIMUM 0.126 AND INCHES MAXIMUM 0.141 |
| AAUM | LOCKING FEATURE | GRIP DETENT BALL |
| AAUR | GRIP DIAMETER | INCHES MINIMUM 0.2487 AND INCHES MAXIMUM 0.2492 |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | FIRST HOLE INCHES MINIMUM 0.076 AND INCHES MAXIMUM 0.086 |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.250 |
| ANEE | GRIP LENGTH | INCHES MINIMUM 0.562 AND INCHES MAXIMUM 0.578 |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQBC | MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 63000 |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | FIRST HOLE INCHES MINIMUM 0.885 AND INCHES MAXIMUM 0.905 |
| CSYM | SURFACE FINISH | BEARING SURFACE OF HEAD MICROINCHES 32.0 |
| CSYM | SURFACE FINISH | GRIP MICROINCHES 32.0 |
| MATT | MATERIAL | SPRING STEEL COMP 631 OR STEEL COMP 302 |
| MATT | MATERIAL | FASTENER STEEL COMP 632 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SPRING ASSN STD SINGLE MATERIAL RESPONSE AST- A580 COND. A |
| 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 |
| --- | --- | --- | --- |
| 5305PL0783964 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AS255B4-09 | 84256 | AVIBANK MFG., INC. DBA AVIBANK MANUFACTURING INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS21125B409 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS21125B409 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS21125B409 | H0910 | VIBA B.V. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-8069 | 186 | 2026-11-10 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305011914494&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5305011914494&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305011914494
- 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/5305-01-191-4494/
JSON: https://nsnexplorer.com/api/nsn/5305-01-191-4494.json