| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-091-7926 (010917926) |
| NCB Code | USA (01) |
| Manufacturer | Sps Technologies Inc, Lisi Aerospace Canada Corp, Hi Shear Corporation, Boeing Company The, Huck International Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 66904H8-16 | sps technologies inc | screw shoulder | 80539 | RFQ |
| HT308-8-16 | lisi aerospace canada corp | screw shoulder | l4528 | RFQ |
| HT308-8-16 | hi shear corporation | screw shoulder | 73197 | RFQ |
| ST3M547-8-16 | boeing company the | screw shoulder | 76301 | RFQ |
| ST3M547-8-16 | huck international inc | screw shoulder | 17446 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.624 INCHES MINIMUM AND 0.690 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.634 INCHES MINIMUM AND 1.680 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 1.007 INCHES MINIMUM AND 1.017 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.5297 INCHES MINIMUM AND 0.5307 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.788 INCHES MINIMUM AND 0.808 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | HIGH-TORQUE |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CRSQ | COUNTERSINK ANGLE | 90.0 DEGREES MINIMUM AND 110.0 DEGREES MAXIMUM |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 23-105 FSCM 176301 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | PS 13145 FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Components Related to NSN - 5305-01-091-7926, 5305010917926 | ||||
| 5305-01-222-7769 (5305012227769) | 5365-01-044-5936 (5365010445936) | 5331-01-276-7349 (5331012767349) | 5340-00-536-5281 (5340005365281) | |
| 5365-00-550-5464 (5365005505464) | 5305-01-209-8688 (5305012098688) | 5340-01-624-2067 (5340016242067) | 5340-01-214-3681 (5340012143681) | |
| 5330-01-166-9520 (5330011669520) | 5306-00-528-5534 (5306005285534) | 5307-00-307-2340 (5307003072340) | 5340-01-382-3018 (5340013823018) | |
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