| Item Name | Bolt Close Tolerance |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 01-030-4657 (010304657) |
| NCB Code | USA (01) |
| Manufacturer | Hi Shear Corporation, Sps Technologies Inc, B And B Specialties Inc, Huck International Inc, J M Precision Inc, Lisi Aerospace Canada Corp, Heartland Precision Fasteners In, Houston Precision Fastener L L C, Valley Todeco Inc, Sonic Industries Inc, Reid Products Inc, Boeing Company The, Fastener Innovation Technology Inc, Space Lok Inc, Saturn Fasteners Inc, Alcoa Global Fasteners Inc |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| MB84-4D27 | hi shear corporation | bolt close tolerance | 73197 | RFQ |
| 74328-4D27 | sps technologies inc | bolt close tolerance | 80539 | RFQ |
| SLB253-4D27 | b and b specialties inc | bolt close tolerance | 1em77 | RFQ |
| BM3326-4D27 | huck international inc | bolt close tolerance | 97928 | RFQ |
| ST3M571-4D27 | j m precision inc | bolt close tolerance | 0jv78 | RFQ |
| MB84-4D27 | lisi aerospace canada corp | bolt close tolerance | l4528 | RFQ |
| AIC752-4D27 | sps technologies inc | bolt close tolerance | 06725 | RFQ |
| S371-4D27 | huck international inc | bolt close tolerance | 97928 | RFQ |
| SLB253-4D27 | heartland precision fasteners in | bolt close tolerance | 0zc92 | RFQ |
| SLB253-4D27 | houston precision fastener l l c | bolt close tolerance | 1vsl7 | RFQ |
| PBF23T4PD27 | sps technologies inc | bolt close tolerance | 27624 | RFQ |
| GS1030-4D27 | b and b specialties inc | bolt close tolerance | 1em77 | RFQ |
| VAL23033-4D27 | valley todeco inc | bolt close tolerance | 06710 | RFQ |
| S11-1059-4D27 | sonic industries inc | bolt close tolerance | 57928 | RFQ |
| ST3M571-4D27 | sps technologies inc | bolt close tolerance | 56878 | RFQ |
| SLB253-4D27 | reid products inc | bolt close tolerance | 59563 | RFQ |
| ST3M571-4D27 | boeing company the | bolt close tolerance | 76301 | RFQ |
| SLB253-4D27 | fastener innovation technology inc | bolt close tolerance | 58998 | RFQ |
| SLB253-4D27 | space lok inc | bolt close tolerance | 16258 | RFQ |
| SLB253-4D27 | saturn fasteners inc | bolt close tolerance | 0k6z0 | RFQ |
| ST3M571-4D27 | alcoa global fasteners inc | bolt close tolerance | 92215 | RFQ |
| VS3060-4D27 | alcoa global fasteners inc | bolt close tolerance | 92215 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 0.443 INCHES MINIMUM AND 0.493 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 2.141 INCHES MINIMUM AND 2.171 INCHES MAXIMUM |
| AASK | HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| AASU | HEAD HEIGHT | 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.304 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| AATC | EXTENDED WASHER DIAMETER | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.059 INCHES MINIMUM AND 0.079 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM FIRST HOLE AND 0.081 INCHES MAXIMUM FIRST HOLE |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ANEE | GRIP LENGTH | 1.678 INCHES MINIMUM AND 1.698 INCHES MAXIMUM |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.949 INCHES MINIMUM FIRST HOLE AND 1.989 INCHES MAXIMUM FIRST HOLE |
| MATT | MATERIAL | STEEL COMP XM-13 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| Relevant Components for NSN - 5306-01-030-4657, 5306010304657 | ||||
| 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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