| Item Name | Screw Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 01-323-4148 (013234148) |
| NCB Code | USA (01) |
| Manufacturer | Unicorp Systems Inc, Harris Corporation, Carey Manufacturing Company Inc, Globe Aerospace Inc, R A F Electronic Hardware Inc, Optical Machinery And Instrument Co, New Haven Mfg Corp |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| SCS-375-15 | unicorp systems inc | screw shoulder | 04729 | RFQ |
| 4700748-001 | harris corporation | screw shoulder | 64583 | RFQ |
| 7470-SS-1032-7 | carey manufacturing company inc | screw shoulder | 1ygb8 | RFQ |
| SS-8537-12 | globe aerospace inc | screw shoulder | 61000 | RFQ |
| 7038-SS-20 | r a f electronic hardware inc | screw shoulder | 55566 | RFQ |
| 17038-SS-12 | optical machinery and instrument co | screw shoulder | 51500 | RFQ |
| 7470-SS-1032-7 | new haven mfg corp | screw shoulder | 06540 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.250 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.563 INCHES NOMINAL |
| AASK | HEAD STYLE | FLAT CHAMFER |
| AASL | HEAD DIAMETER | 0.375 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.188 INCHES NOMINAL |
| AATN | SHOULDER DIAMETER | 0.249 INCHES MINIMUM FIRST SHOULDER AND 0.250 INCHES MAXIMUM FIRST SHOULDER |
| AATX | SHOULDER LENGTH | 0.313 INCHES MINIMUM FIRST SHOULDER AND 0.315 INCHES MAXIMUM FIRST SHOULDER |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| MATT | MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A581 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR ASTM A555 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5305-01-323-4148, 5305013234148 | ||||
| 5305-01-339-0166 (5305013390166) | 5365-01-662-5153 (5365016625153) | 5360-01-351-8647 (5360013518647) | 5305-00-452-2092 (5305004522092) | |
| 5320-01-350-0370 (5320013500370) | 5365-01-048-9619 (5365010489619) | 5330-01-329-6615 (5330013296615) | 5331-00-493-8173 (5331004938173) | |
| 5330-00-146-3153 (5330001463153) | 5305-00-052-8884 (5305000528884) | 5330-01-651-5544 (5330016515544) | 5310-00-444-5136 (5310004445136) | |
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