| Item Name | Screw Externally Relieved Body |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-143-3291 (001433291) |
| NCB Code | USA (00) |
| Manufacturer | Huck International Inc, Unicorp Systems Inc, Northrop Grumman Systems Corporation, Alcoa Fastening Systems Ltd, Quality Socket Screw Corporation |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| D791515-32 | huck international inc | screw externally relieved body | RFQ |
| P81-1032-2 | unicorp systems inc | screw externally relieved body | RFQ |
| 577R005H32 | northrop grumman systems corporation | screw externally relieved body | RFQ |
| P81-1032-2 | alcoa fastening systems ltd | screw externally relieved body | RFQ |
| 577R005H32 | quality socket screw corporation | screw externally relieved body | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.235 INCHES MINIMUM AND 0.240 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.795 INCHES MINIMUM AND 0.815 INCHES MAXIMUM |
| AASK | HEAD STYLE | PAN |
| AASL | HEAD DIAMETER | 0.275 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.075 INCHES MINIMUM |
| AAWC | FIRST DIAMETER FROM HEAD | 0.143 INCHES MINIMUM AND 0.149 INCHES MAXIMUM |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.555 INCHES MINIMUM AND 0.580 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 32 |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATT | MATERIAL | STEEL COMP 4130 OR STEEL COMP 4140 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-16974 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5305-00-143-3291, 5305001433291 | ||||
| 5320-01-318-6843 (5320013186843) | 5340-01-557-4760 (5340015574760) | 5340-00-336-3776 (5340003363776) | 5340-01-560-8528 (5340015608528) | |
| 5330-01-684-2979 (5330016842979) | 5310-01-185-8686 (5310011858686) | 5360-00-394-4491 (5360003944491) | 5320-01-267-6376 (5320012676376) | |
| 5315-00-432-8021 (5315004328021) | 5315-01-271-9296 (5315012719296) | 5340-01-353-1927 (5340013531927) | 5320-01-413-1816 (5320014131816) | |
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