AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Bolt Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-393-1296 (013931296) |
| NCB Code | USA (01) |
| Manufacturer | Federal Mogul Corporation, Space Lok Inc, Hi Shear Corporation, Lisi Aerospace Canada Corp, Northrop Grumman Systems Corporation, Avibank Mfg Inc |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 03A094-4-51 | federal mogul corporation | bolt close tolerance | RFQ |
| SLB131-4-51 | space lok inc | bolt close tolerance | RFQ |
| LB57-4-51 | hi shear corporation | bolt close tolerance | RFQ |
| LB57-4-51 | lisi aerospace canada corp | bolt close tolerance | RFQ |
| 03A094-4-51 | northrop grumman systems corporation | bolt close tolerance | RFQ |
| AS374-4-51 | avibank mfg inc | bolt close tolerance | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| MATT | MATERIAL | NICKEL ALLOY 718 FASTENER |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.375 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 3.693 INCHES MINIMUM AND 3.713 INCHES MAXIMUM |
| AASU | HEAD HEIGHT | 0.126 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |
| MATT | MATERIAL | STEEL CORROSION RESISTING SPRING |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| AATB | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2487 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM THREADS AND 0.086 INCHES MAXIMUM THREADS |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.578 INCHES NOMINAL THREADS |
| CSYM | SURFACE FINISH | 32.0 MICROINCHES GRIP |
| MATT | MATERIAL | STEEL COMP 440C LOCKING FEATURE |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AASK | HEAD STYLE | DISHED HEXAGON |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 3.188 INCHES MINIMUM AND 3.203 INCHES MAXIMUM |
| FEAT | SPECIAL FEATURES | PLUNGER PROTRUDING FROM HEAD 0.076 IN. MAX |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE LOCKING FEATURE |
| Relevant Components for NSN - 5306-01-393-1296, 5306013931296 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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