| Item Name | Bolt Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-121-8911 (001218911) |
| NCB Code | USA (00) |
| Manufacturer | National Aerospace Standards Com, Alcoa Global Fasteners Inc, Sps Technologies Inc, Satair Usa Inc, Tps Aviation Inc, Avibank Mfg Inc, Ms Aerospace Inc, Military Standards Corp, Defense Logistics Agency |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| MS27576-4-16R | national aerospace standards com | bolt close tolerance | 80205 | RFQ |
| CA4510-4-16 | alcoa global fasteners inc | bolt close tolerance | 29372 | RFQ |
| 106467-4-16 | sps technologies inc | bolt close tolerance | 80539 | RFQ |
| AS194-4-16 | satair usa inc | bolt close tolerance | r1120 | RFQ |
| MS27576-4-16R | sps technologies inc | bolt close tolerance | 80539 | RFQ |
| MS27576-4-16R | tps aviation inc | bolt close tolerance | 5r386 | RFQ |
| AS194-4-16 | avibank mfg inc | bolt close tolerance | 84256 | RFQ |
| MS27576-4-16 | ms aerospace inc | bolt close tolerance | 0ucy9 | RFQ |
| MS27576-4-16 | national aerospace standards com | bolt close tolerance | 80205 | RFQ |
| MS27576-4-16 | military standards corp | bolt close tolerance | 96906 | RFQ |
| CIPRD-MS27576-4-16R | defense logistics agency | bolt close tolerance | 14153 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.282 INCHES MINIMUM AND 0.333 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 1.418 INCHES MINIMUM AND 1.438 INCHES MAXIMUM |
| AASK | HEAD STYLE | DISHED HEXAGON |
| AASU | HEAD HEIGHT | 0.126 INCHES MINIMUM AND 0.141 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2483 INCHES MINIMUM AND 0.2492 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 1.000 INCHES MINIMUM AND 1.016 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 41.0 ROCKWELL C MAXIMUM OVERALL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.318 INCHES MINIMUM AND 1.348 INCHES MAXIMUM FIRST HOLE |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES GRIP |
| FEAT | SPECIAL FEATURES | W/RETAINING ELEMENT ON SHANK |
| MATT | MATERIAL | STEEL OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-83050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5306-00-121-8911, 5306001218911 | ||||
| 5320-01-093-5687 (5320010935687) | 5340-00-286-8500 (5340002868500) | 5310-00-797-4430 (5310007974430) | 5331-01-548-6940 (5331015486940) | |
| 5340-01-389-2408 (5340013892408) | 5340-01-499-3481 (5340014993481) | 5310-01-418-9739 (5310014189739) | 5320-01-419-8697 (5320014198697) | |
| 5340-01-681-6722 (5340016816722) | 5340-01-620-4639 (5340016204639) | 5340-01-481-2087 (5340014812087) | 5331-01-097-0869 (5331010970869) | |
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