| Item Name | Bolt Shoulder |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5306 Bolts |
| National Item Identification Number (NIIN) | 00-522-1486 (005221486) |
| NCB Code | USA (00) |
| Manufacturer | Alcoa Global Fasteners Inc, Mnr Tool Engineering Inc, Necchi Spa, Sps Technologies Inc, Textron Fastening Systems, United Technologies Corporation |
| Part Number | Manufacturer | Item Name | Cage Code | RFQ |
|---|---|---|---|---|
| 276351 | alcoa global fasteners inc | bolt shoulder | 92215 | RFQ |
| 276351 | mnr tool engineering inc | bolt shoulder | 01060 | RFQ |
| 276351 | necchi spa | bolt shoulder | a1387 | RFQ |
| 276351 | sps technologies inc | bolt shoulder | 56878 | RFQ |
| 276351 | textron fastening systems | bolt shoulder | 93907 | RFQ |
| 276351 | united technologies corporation | bolt shoulder | 77445 | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASA | THREAD LENGTH | 1.658 INCHES MINIMUM AND 1.708 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 2.178 INCHES MINIMUM AND 2.198 INCHES MAXIMUM |
| AASK | HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| AASU | HEAD HEIGHT | 0.272 INCHES MINIMUM AND 0.292 INCHES MAXIMUM |
| AATB | WIDTH BETWEEN FLATS | 0.300 INCHES MINIMUM AND 0.315 INCHES MAXIMUM |
| AATC | EXTENDED WASHER DIAMETER | 0.465 INCHES MINIMUM AND 0.485 INCHES MAXIMUM |
| AATD | EXTENDED WASHER THICKNESS | 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| AATN | SHOULDER DIAMETER | 0.311 INCHES NOMINAL FIRST SHOULDER |
| AATN | SHOULDER DIAMETER | 0.312 INCHES NOMINAL SECOND SHOULDER |
| AATX | SHOULDER LENGTH | 0.150 INCHES NOMINAL SECOND SHOULDER |
| AATX | SHOULDER LENGTH | 0.175 INCHES NOMINAL FIRST SHOULDER |
| AAUB | HOLE DIAMETER | 0.070 INCHES NOMINAL |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| ASXK | HOLE QUANTITY | 4 |
| BQDM | HOLE TYPE | DRILLED |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CQFM | HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| CRHC | HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE |
| CRTL | CRITICALITY CODE JUSTIFICATION | SUPP |
| CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
| FEAT | SPECIAL FEATURES | SHOULDER FURTHEREST FROM HEAD THREADED 0.312-32 BY 3A FIT |
| MATT | MATERIAL | STEEL COMP 8740 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SUPP | SUPPLEMENTARY FEATURES | FAILURE COULD CAUSE CATASTROPHIC OR CRITICAL FAILURE RESULTING IN THE LOSS OF OR SERIOUS DAMAGE TO THE AIRCRAFT. WPN SYS OR UNCOMMANDED ENGINE SHUTDOWN |
| THSD | THREAD SERIES DESIGNATOR | UNF |
| Components Related to NSN - 5306-00-522-1486, 5306005221486 | ||||
| 5340-01-169-2963 (5340011692963) | 5310-01-158-6265 (5310011586265) | 5315-01-608-8364 (5315016088364) | 5330-01-510-3005 (5330015103005) | |
| 5365-01-446-8973 (5365014468973) | 5340-01-487-3594 (5340014873594) | 5340-01-557-7739 (5340015577739) | 5331-00-625-8831 (5331006258831) | |
| 5306-01-648-2938 (5306016482938) | 5307-01-106-3946 (5307011063946) | 5305-00-050-9241 (5305000509241) | 5360-01-598-3689 (5360015983689) | |
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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