| Item Name | Screw Shoulder |
| INC Code | 22846 |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-142-6285 (011426285) |
| NCB Code | USA (01) |
| Manufacturer | Alcoa Global Fasteners Inc, Boeing Company The, Hi Shear Corporation, Sps Technologies Inc, Huck International Inc, Lisi Aerospace Canada Corp |
| Associated Parts Numbers of NSN 5305-01-142-6285 | ||||||
|---|---|---|---|---|---|---|
| Part Number | Manufacturer | Item Name | Cage Code | Type | Status | RFQ |
| ST3M653C4-18A | alcoa global fasteners inc | screw shoulder | 92215 | A | A | RFQ |
| HT4020 4 18AX | alcoa global fasteners inc | screw shoulder | 92215 | A | A | RFQ |
| ST3M653C4-18A | boeing company the | screw shoulder | 76301 | A | A | RFQ |
| ST3M653C4-18A | hi shear corporation | screw shoulder | 73197 | A | A | RFQ |
| HT4020-4-18AX | sps technologies inc | screw shoulder | 80539 | A | A | RFQ |
| HT4020-4-18AX | huck international inc | screw shoulder | 97928 | A | R | RFQ |
| HT4020 4 18AX | hi shear corporation | screw shoulder | 73197 | A | A | RFQ |
| ST3M653C4 18A | lisi aerospace canada corp | screw shoulder | l4528 | E | A | RFQ |
| ST3M653C4-18A | sps technologies inc | screw shoulder | 80539 | A | A | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.578 INCHES MINIMUM AND 1.625 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK UNDERCUT |
| AASL | HEAD DIAMETER | 0.502 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.065 INCHES MINIMUM AND 0.067 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.2646 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 1.048 INCHES MINIMUM AND 1.070 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | FURNISHED WITH ONE RUBBER O RING |
| MATT | MATERIAL | STEEL COMP XM-13 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5305-01-142-6285, 5305011426285 | ||||
| 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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