Mfg Part Number: 20 057 4 21D
Alternate P/N: 20057421D
NSN : 5306-01-026-1803
NIIN : 010261803
CAGE Code : 06950
Manufacturer: Alcoa Global Fasteners Inc
Item Name : Bolt Shear
FSC : FSC 5306 Bolts
Here at Internet For Aviation, we have 20 057 4 21D Bolt Shear from Alcoa Global Fasteners Inc, as well as a variety of other parts from reliable manufacturers. As the only independent distributor with a No China Sourcing policy, we go to great lengths to ensure that we source responsibly when it comes to certified standard items. If you’re in need of a specific 20 057 4 21D to aid you in your aircraft repair capabilities, simply search by NSN part number, NSN or Cage Code on our parts directory. Submit an instant RFQ and a representative will get back to you in as little as 15 minutes.
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We pride ourselves in our abilities to deliver quality superior grade aviation parts in a timely schedule. Thanks to the various supply chain locations that we have across the United States. We can execute fast shipping times that outpace our competitors. Unlike other competitors, we can promise same day shipping and delivery right to the very place you need. We’re leaders in our industry thanks to our parts streamlining process which includes quick stock and acquisition of the certified product and fast shipping. For whatever needs you have, be they Bolt Shear and 20 057 4 21D parts, we can procure and deliver in a schedule that fits with you! Contact us today for an immediate quote!
| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5306-01-026-1803 Item Description: Bolt Shear | 5306 | 010261803 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 20 057 4 21D | 2 | 2 | 3 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AASA | THREAD LENGTH | 0.425 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 1.737 INCHES NOMINAL |
| AASU | HEAD HEIGHT | 0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| AAWB | SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE |
| ANEE | GRIP LENGTH | 1.312 INCHES NOMINAL |
| CQBC | MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| CQFM | HARDNESS RATING | 36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-7838 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNJF |
| AAJD | THREAD CLASS | 3A |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | HEXAGON |
| AATB | WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| AAUR | GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRZS | DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.559 INCHES NOMINAL FIRST HOLE |
| MATT | MATERIAL | STEEL OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL |
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