| Item Name | Screw Close Toleran |
| INC Code | 29294 |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-801-7103 (008017103) |
| NCB Code | USA (00) |
| Manufacturer | Alcoa Global Fasteners Inc, Hi Shear Corporation, Huck International Inc, Lisi Aerospace Canada Corp, Northrop Grumman Systems Corporation, Sps Technologies Inc, Northrop Grumman Technical Services Inc |
| Associated Parts Numbers of NSN 5305-00-801-7103 | ||||||
|---|---|---|---|---|---|---|
| Part Number | Manufacturer | Item Name | Cage Code | Type | Status | RFQ |
| 51B221-21H | alcoa global fasteners inc | screw close toleran | 06950 | A | A | RFQ |
| 51B221-21H | hi shear corporation | screw close toleran | 73197 | A | A | RFQ |
| 51B221-21H | huck international inc | screw close toleran | 17446 | A | A | RFQ |
| 51B221-21H | lisi aerospace canada corp | screw close toleran | l4528 | E | A | RFQ |
| 51B221-21H | northrop grumman systems corporation | screw close toleran | 79u29 | A | A | RFQ |
| 51B221-21H | sps technologies inc | screw close toleran | 80539 | A | A | RFQ |
| 51B221-21H | northrop grumman technical services inc | screw close toleran | 0jrc1 | F | A | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.276 INCHES MINIMUM |
| AASB | FASTENER LENGTH | 1.573 INCHES MINIMUM AND 1.620 INCHES MAXIMUM |
| AASK | HEAD STYLE | MODIFIED PAN |
| AASL | HEAD DIAMETER | 0.361 INCHES MINIMUM AND 0.381 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.070 INCHES NOMINAL FIRST HOLE |
| ABQZ | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CQBC | MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| MATT | MATERIAL | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-8503 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 5TH MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| ANEE | GRIP LENGTH | 1.298 INCHES MINIMUM AND 1.328 INCHES MAXIMUM |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.456 INCHES MINIMUM AND 1.503 INCHES MAXIMUM FIRST HOLE |
| FEAT | SPECIAL FEATURES | CRITICAL SAFETY ITEM; PER DSCR-MA-21-15267 ALL SOURCES OF SUPPLY MUST BE APPROVED BY ESA |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
| Relevant Components for NSN - 5305-00-801-7103, 5305008017103 | ||||
| 5305-01-550-7160 (5305015507160) | 5305-00-817-7604 (5305008177604) | 5305-01-576-5750 (5305015765750) | 5305-01-571-8125 (5305015718125) | |
| 5305-01-102-9332 (5305011029332) | 5305-01-663-8969 (5305016638969) | 5305-01-501-5086 (5305015015086) | 5305-00-837-3323 (5305008373323) | |
| 5305-01-226-0794 (5305012260794) | 5305-01-364-9897 (5305013649897) | 5305-00-592-9787 (5305005929787) | 5305-00-699-6718 (5305006996718) | |
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