| Alternative NSN: 5305-01-184-3777 |
| Item Name:Screw Shoulder |
| FSG: 53 Hardware and Abrasives |
| Federal Supply Class (FSC): 5305 Screws |
| NIIN: 011843777 |
| NCB Code: USA (01) |
| Manufacturers: The Boeing Company , Valley Todeco Inc , United Technologies Corp , Textron Fastening Systems Ltd , Sps Technologies Ltd , Sonic Industries Inc , Huck International Inc , Harvard Industries Inc , General Electric Company , Federal Manufacturing Corporation , Alcoa Global Fasteners Inc |
| Part No | Manufacturer | Item Name | QTY | RFQ |
|---|---|---|---|---|
| BACB30LU8 21Y | The Boeing Company | screw shoulder | Avl | RFQ |
| BACB30LU8-21Y | Valley Todeco Inc | screw shoulder | Avl | RFQ |
| BACB30LU8-21Y | United Technologies Corp | screw shoulder | Avl | RFQ |
| BACB30LU8-21Y | Textron Fastening Systems Ltd | screw shoulder | Avl | RFQ |
| BACB30LU8-21Y | Sps Technologies Ltd | screw shoulder | Avl | RFQ |
| BACB30LU8-21Y | Sonic Industries Inc | screw shoulder | Avl | RFQ |
| BACB30LU8-21Y | Huck International Inc | screw shoulder | Avl | RFQ |
| BACB30LU8-21Y | Harvard Industries Inc | screw shoulder | Avl | RFQ |
| BACB30LU8-21Y | General Electric Company | screw shoulder | Avl | RFQ |
| BACB30LU8-21Y | Federal Manufacturing Corporation | screw shoulder | Avl | RFQ |
| BACB30LU8-21Y | Alcoa Global Fasteners Inc | screw shoulder | Avl | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.735 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 1.385 INCHES MINIMUM AND 1.405 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.927 INCHES MINIMUM AND 1.019 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.5297 INCHES MINIMUM FIRST SHOULDER AND 0.5307 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.645 INCHES MINIMUM FIRST SHOULDER AND 0.665 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL COMP E4340 OVERALL OR STEEL COMP 8740 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| 5305-00-000-0094 (5305000000094) |
5305-00-001-1366 (5305000011366) |
5305-00-001-1367 (5305000011367) |
5305-00-001-1568 (5305000011568) |
| 5305-00-001-1569 (5305000011569) |
5305-00-001-1837 (5305000011837) |
5305-00-001-1918 (5305000011918) |
5305-00-001-1922 (5305000011922) |
| 5305-00-001-1926 (5305000011926) |
5305-00-001-1948 (5305000011948) |
5305-00-001-1963 (5305000011963) |
5305-00-001-2011 (5305000012011) |
All Orders are Fulfilled in the U.S.A.
All shipments must comply with U.S.A export laws.
No exceptions.
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with a NO CHINA SOURCING Pledge
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