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| Item Name | Bolt Externally Relieved Body |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-421-7749 (004217749) |
| NCB Code | USA (00) |
| Manufacturer | Curtiss Wright Controls Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.560 INCHES MINIMUM AND 0.580 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.640 INCHES MINIMUM AND 1.650 INCHES MAXIMUM |
| AASK | HEAD STYLE | ROUND W/WRENCH FLATS CHAMFERED |
| AASL | HEAD DIAMETER | 0.880 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.450 INCHES MINIMUM AND 0.460 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.530 INCHES NOMINAL |
| AAWC | FIRST DIAMETER FROM HEAD | 0.5145 INCHES MINIMUM AND 0.5200 INCHES MAXIMUM |
| AAWD | SECOND DIAMETER FROM HEAD | 0.360 INCHES NOMINAL |
| AAWH | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.730 INCHES MINIMUM AND 0.740 INCHES MAXIMUM |
| AAWJ | DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 1.100 INCHES MINIMUM AND 1.110 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.438 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQFM | HARDNESS RATING | 32.0 ROCKWELL C MINIMUM OVERALL AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| CRTL | CRITICALITY CODE JUSTIFICATION | AAWC |
| CSNG | EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 |
| FEAT | SPECIAL FEATURES | OUTER EDGE OF ONE WRENCH FLAT CHAMFERED 45 DEG TO A DEPTH OF 0.340 IN. MIN,0.360 IN. MAX |
| MATT | MATERIAL | STEEL COMP 8740 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| TEST | TEST DATA DOCUMENT | 81343-AMS 2640 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS,BROCHURES,ETC.,THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS,INDUSTRY DIRECTORIES,AND SIMILAR TRADE PUBLICATIONS,REFLECTING |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Relevant Components for NSN - 5306-00-421-7749, 5306004217749 | ||||
| 5305-12-356-4630 (5305123564630) | 5306-01-123-0403 (5306011230403) | 5330-01-162-6018 (5330011626018) | 5315-01-037-1295 (5315010371295) | |
| 5305-00-436-6756 (5305004366756) | 5355-01-653-5111 (5355016535111) | 5305-01-474-9232 (5305014749232) | 5310-00-127-3598 (5310001273598) | |
| 5360-00-996-1383 (5360009961383) | 5310-01-165-6898 (5310011656898) | 5342-01-521-4044 (5342015214044) | 5342-01-617-7013 (5342016177013) | |
If You’re Ever Looking for NSN parts Or Have an Aircraft On Ground Situation, Don’t forget That We offer Competitive Pricing and Guaranteed On-Time Delivery.
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