| 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) | 01-323-4155 (013234155) |
| NCB Code | USA (01) |
| Manufacturer | Aero Mechanical Fastening Systems Inc, Alcoa Global Fasteners Inc, Sps Technologies Inc, Hi Shear Corporation, Lisi Aerospace Canada Corp |
| Associated Parts Numbers of NSN 5305-01-323-4155 | ||||||
|---|---|---|---|---|---|---|
| Part Number | Manufacturer | Item Name | Cage Code | Type | Status | RFQ |
| AMS504A4D21 | aero mechanical fastening systems inc | screw close toleran | 1fy45 | A | F | RFQ |
| GB510DC4-21D | aero mechanical fastening systems inc | screw close toleran | 1fy45 | A | F | RFQ |
| SCT1826 4 21D | alcoa global fasteners inc | screw close toleran | 06950 | A | A | RFQ |
| 129968A-4-D21 | sps technologies inc | screw close toleran | 80539 | A | A | RFQ |
| HR218-4-21D | hi shear corporation | screw close toleran | 73197 | A | A | RFQ |
| HR218-4-21D | lisi aerospace canada corp | screw close toleran | l4528 | E | A | RFQ |
| PBF1357A4-D21 | sps technologies inc | screw close toleran | 27624 | A | A | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE |
| AASA | THREAD LENGTH | 0.403 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| AAJD | THREAD CLASS | 3A |
| AAUR | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| AASB | FASTENER LENGTH | 1.690 INCHES MINIMUM AND 1.720 INCHES MAXIMUM |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD 32.0 MICROINCHES GRIP 32.0 MICROINCHES THREADS |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.3504 INCHES MINIMUM AND 0.3988 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | TORQUE-SET RIBBED |
| ANEE | GRIP LENGTH | 1.292 INCHES MINIMUM AND 1.312 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.564 INCHES MINIMUM FIRST HOLE AND 1.614 INCHES MAXIMUM FIRST HOLE |
| MATT | MATERIAL | STEEL COMP E4340 OVERALL OR STEEL COMP 4140 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 6150 OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-323-4155, 5305013234155 | ||||
| 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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AS9120B and ISO 9001:2015 |
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Aviation Suppliers Association Member |
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FAA AC 0056B Accredited |
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AS 6081:2012 Certification |
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ESD S20.20-2014 Certification |
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