# NSN 5305-01-451-3632: Screw, Close Tolerance

NSN 5305-01-451-3632 (also written 5305014513632; NIIN 01-451-3632) is a screw, close tolerance in Federal Supply Class 5305, Screws. 10 manufacturer part numbers from 9 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5305-01-451-3632 (5305014513632)
- NIIN: 01-451-3632 (014513632)
- 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 2026-10-23)
- 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 MINIMUM 0.763 AND INCHES MAXIMUM 0.793 |
| AASK | HEAD STYLE | — |
| AASL | HEAD DIAMETER | INCHES MINIMUM 0.5026 AND INCHES MAXIMUM 0.5111 |
| AAUR | GRIP DIAMETER | INCHES MINIMUM 0.2490 AND INCHES MAXIMUM 0.2495 |
| ABQZ | INTERNAL DRIVE STYLE | — |
| AGAV | END ITEM IDENTIFICATION | AIRCRAFT,B-2 BOMBER (ATB) |
| AHYM | NOMINAL THREAD DIAMETER | INCHES 0.250 |
| ANEE | GRIP LENGTH | INCHES MINIMUM 0.365 AND INCHES MAXIMUM 0.385 |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRSQ | COUNTERSINK ANGLE | DEGREES MINIMUM 129.0 AND DEGREES MAXIMUM 131.0 |
| CSYM | SURFACE FINISH | GRIP MICROINCHES 32.0 |
| CSYM | SURFACE FINISH | BEARING SURFACE OF HEAD MICROINCHES 32.0 |
| CSYM | SURFACE FINISH | THREADS MICROINCHES 32.0 |
| MATT | MATERIAL | OVERALL TITANIUM ALLOY UNS R56400 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 4928 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 4967 |
| THSD | THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 03A22 | 0PTK6 | SPS TECHNOLOGIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 03A225-4-6 | 76823 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN IS DIV NORTHROP GRUMMAN AERONAUTICS SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 123992-4-6 | 0PTK6 | SPS TECHNOLOGIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AIC1700-4-6 | 06725 | SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| DF33001V-4T-6 | 0HDW7 | HUCK INTERNATIONAL, INC. DIV HUCK PRODUCTS DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| DF33001V-4T-6 | 97928 | HUCK INTL INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| HR246-4-6 | 73197 | HI-SHEAR CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| HR246-4-6 | L4528 | LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| PBF1484-4-6 | 27624 | SPS TECHNOLOGIES LLC DBA PB FASTENERS DIV PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SC5027-4-6 | 06950 | HOWMET GLOBAL FASTENING SYSTEMS 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=5305014513632&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5305014513632
- 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/5305-01-451-3632/
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