| Item Name | Bolt Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-300-2931 (013002931) |
| NCB Code | USA (01) |
| Manufacturer | Military Standards Corp, National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| MS27576-8-37 | military standards corp | bolt close tolerance | 96906 | RFQ |
| MS27576-8-37 | national aerospace standards com | bolt close tolerance | 80205 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.401 INCHES MINIMUM AND 0.546 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 2.958 INCHES MINIMUM AND 2.978 INCHES MAXIMUM |
| AASK | HEAD STYLE | CROWNED HEXAGON |
| AASU | HEAD HEIGHT | 0.251 INCHES MINIMUM AND 0.266 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
| AAUM | LOCKING FEATURE | RETAINER GRIP |
| AAUR | GRIP DIAMETER | 0.4982 INCHES MINIMUM AND 0.4991 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.106 INCHES MINIMUM FIRST HOLE AND 0.116 INCHES MAXIMUM FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.500 INCHES |
| ANEE | GRIP LENGTH | 2.312 INCHES MINIMUM AND 2.328 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQBC | MINIMUM TENSILE STRENGTH | 95000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 41.0 ROCKWELL C MAXIMUM OVERALL |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.848 INCHES MINIMUM FIRST HOLE AND 2.858 INCHES MAXIMUM FIRST HOLE |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES BEARING SURFACE OF HEAD |
| CSYM | SURFACE FINISH | 63.0 MICROINCHES GRIP |
| MATT | MATERIAL | STEEL COMP 630 STAND-OFF OR STEEL COMP 631 STAND-OFF OR STEEL COMP 440C STAND-OFF |
| MATT | MATERIAL | STEEL COMP E4340 FASTENER OR STEEL COMP 4140 FASTENER OR STEEL COMP 8740 FASTENER OR STEEL COMP 4130 FASTENER OR STEEL COMP 6150 FASTENER |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS5643 ASSN STD 1ST MATERIAL RESPONSE STAND-OFF OR AMS5644 ASSN STD 2ND MATERIAL RESPONSE STAND-OFF OR QQ-S-763 CL440C FED SPEC 3RD MATERIAL RESPONSE STAND-OFF |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE FASTENER OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE FASTENER OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE FASTENER OR MIL-S-6758 MIL SPEC 4TH MATERIAL RESPONSE FASTENER OR MIL-S-8503 MIL SPEC 5TH |
| SFTT | SURFACE TREATMENT | CADMIUM FASTENER OR CHROMATE FASTENER |
| SFTT | SURFACE TREATMENT | PASSIVATE STAND-OFF |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5306-01-300-2931, 5306013002931 | ||||
| 5325-00-489-4951 (5325004894951) | 5305-01-688-2332 (5305016882332) | 5310-01-270-2593 (5310012702593) | 5360-01-362-9775 (5360013629775) | |
| 5305-01-574-2082 (5305015742082) | 5330-00-875-6402 (5330008756402) | 5310-01-166-6682 (5310011666682) | 5325-01-330-8489 (5325013308489) | |
| 5310-01-519-7106 (5310015197106) | 5310-12-130-8939 (5310121308939) | 5331-01-513-1941 (5331015131941) | 5310-01-360-7550 (5310013607550) | |
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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