| Item Name | Bolt Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-306-4184 (013064184) |
| NCB Code | USA (01) |
| Manufacturer | Military Standards Corp, National Aerospace Standards Com |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| MS21297-09044 | military standards corp | bolt close tolerance | 96906 | RFQ |
| MS21297-09044 | national aerospace standards com | bolt close tolerance | 80205 | RFQ |
| NASM21297 | national aerospace standards com | bolt close tolerance | 80205 | RFQ |
| NASM8906 | national aerospace standards com | bolt close tolerance | 80205 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.925 INCHES MINIMUM AND 0.975 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 3.685 INCHES MINIMUM AND 3.715 INCHES MAXIMUM |
| AASK | HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| AASU | HEAD HEIGHT | 0.495 INCHES MINIMUM AND 0.515 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.610 INCHES MINIMUM AND 0.625 INCHES MAXIMUM |
| AATC | EXTENDED WASHER DIAMETER | 1.037 INCHES MINIMUM AND 1.047 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.071 INCHES MINIMUM AND 0.091 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.560 INCHES MINIMUM AND 0.561 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.562 INCHES |
| ANEE | GRIP LENGTH | 2.740 INCHES MINIMUM AND 2.760 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 18 |
| CQFM | HARDNESS RATING | 46.0 ROCKWELL C MINIMUM OVERALL AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| MATT | MATERIAL | STEEL COMP H11 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CHROMATE OVERALL AND CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-8837 TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5306-01-306-4184, 5306013064184 | ||||
| 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) | |
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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