| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-293-4997 (002934997) |
| NCB Code | USA (00) |
| Manufacturer | Sps Technologies Inc, Huck International Inc, Alcoa Fastening Systems Ltd, Hi Shear Corporation, Boeing Company The |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 66908H4-13 | sps technologies inc | screw shoulder | 50394 | RFQ |
| HS2623 4Z13X | huck international inc | screw shoulder | 97928 | RFQ |
| HT307-4-13 | alcoa fastening systems ltd | screw shoulder | c4293 | RFQ |
| HT307-4-13 | hi shear corporation | screw shoulder | 73197 | RFQ |
| ST3M559-4-13 | boeing company the | screw shoulder | 76301 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.372 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.174 INCHES MINIMUM AND 1.260 INCHES MAXIMUM |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.264 INCHES MINIMUM FIRST SHOULDER AND 0.265 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.802 INCHES MINIMUM FIRST SHOULDER AND 0.822 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 |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MAC PS13145,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Components Related to NSN - 5305-00-293-4997, 5305002934997 | ||||
| 5330-01-317-6323 (5330013176323) | 5325-12-153-6230 (5325121536230) | 5330-01-457-9536 (5330014579536) | 5330-01-292-0190 (5330012920190) | |
| 5306-00-385-6716 (5306003856716) | 5330-01-596-0550 (5330015960550) | 5310-01-263-9122 (5310012639122) | 5365-00-685-7933 (5365006857933) | |
| 5330-01-284-5222 (5330012845222) | 5315-01-078-6855 (5315010786855) | 5325-00-373-0965 (5325003730965) | 5305-12-329-9677 (5305123299677) | |
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