| Item Name | Screw Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-450-7449 (004507449) |
| NCB Code | USA (00) |
| Manufacturer | Boeing Company The, Sps Technologies Inc, Huck International Inc, Alcoa Fastening Systems Ltd, Alcoa Global Fasteners Inc, Hi Shear Corporation, Lisi Aerospace Canada Corp |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 3M123-4 | boeing company the | screw close tolerance | 18355 | RFQ |
| 3M123-4D3 | boeing company the | screw close tolerance | 76301 | RFQ |
| 54291-4D3 | sps technologies inc | screw close tolerance | 80539 | RFQ |
| E1284D3P | huck international inc | screw close tolerance | 97928 | RFQ |
| HT1029A4T3 | alcoa fastening systems ltd | screw close tolerance | c4293 | RFQ |
| HT1029A4T3 | alcoa global fasteners inc | screw close tolerance | 92215 | RFQ |
| HT123-4-3D | huck international inc | screw close tolerance | 97928 | RFQ |
| HT4M-3D | alcoa fastening systems ltd | screw close tolerance | c4293 | RFQ |
| HT4M-3D | hi shear corporation | screw close tolerance | 73197 | RFQ |
| HT4N-3D | lisi aerospace canada corp | screw close tolerance | l4528 | RFQ |
| HT4N-3D | hi shear corporation | screw close tolerance | 73197 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.442 INCHES MINIMUM AND 0.509 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.640 INCHES MINIMUM AND 0.687 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.502 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.070 INCHES NOMINAL FIRST HOLE |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQFM | HARDNESS RATING | 248.0 BRINELL STANDARD MINIMUM OVERALL AND 341.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL |
| CRSQ | COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.500 INCHES NOMINAL FIRST HOLE |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES THREADS |
| MATT | MATERIAL | IRON ALLOY 660 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Components Related to NSN - 5305-00-450-7449, 5305004507449 | ||||
| 5310-01-197-4020 (5310011974020) | 5315-01-603-3457 (5315016033457) | 5307-00-208-2583 (5307002082583) | 5306-00-723-0855 (5306007230855) | |
| 5306-01-051-8024 (5306010518024) | 5365-00-997-7495 (5365009977495) | 5360-00-769-7461 (5360007697461) | 5360-01-313-5636 (5360013135636) | |
| 5330-01-455-6923 (5330014556923) | 5340-00-061-1146 (5340000611146) | 5320-00-333-6513 (5320003336513) | 5310-01-109-8086 (5310011098086) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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