Lfc Industries Inc Part Number 20-057-4-21D - Get an Instant Quote

Part Number:  20-057-4-21D
Alternate P/N:  20057421D
Manufacturer:  lfc industries inc
NIIN:  01-026-1803
Item Name :  bolt shear
CAGE Code:  62384
FSC:  5306 Bolts
INC Code:  15903
Country:  USA
NCB Code:  01
Last Updated:  05-26-2025

Part Number 20-057-4-21D described as Bolt Shear with NSN 5306-01-026-1803 with FSC 5306 Bolts by Manufacture Lfc Industries Inc is available in stock. We provide comprehensive database of aerospace and aviation components, sub-assemblies, and completed assemblies allows us to respond to your RFQ within 15 minutes.

Simplified Purchasing is owned and operated by ASAP Semiconductor, an industry-leading AS9120B, ISO 9001:2015, and FAA AC 0056B certified distributor of Lfc Industries Inc aerospace and aviation parts like 20-057-4-21D. We are a service-oriented company that provides quality NSN components with an emphasis on United States export law through our delivery centers at 2 strategic locations, California and Nevada. 

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Disclaimer: This is a quotation for the goods listed above. This quotation is meant as an estimate and does not reflect a final bill or invoice. All quotations are subject to change until acceptance by ASAP Semiconductor of a binding Purchase Order, and quotations may be withdrawn or revised at the sole discretion of ASAP Semiconductor. This quotation is subject to the ASAP Semiconductor Terms & Conditions available at https://www.asapsemi.com/customer-terms-and-conditions/ . All United States Government and Department of Defense bids are quoted as CAGE code 6RE77 from ASAP Semiconductor’s Anaheim, California facility. Any quotation from ASAP Semiconductor without 6RE77 is void.

NSN Information for Part Number 20-057-4-21D with NSN 5306-01-026-1803, 5306010261803

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5306-01-026-1803

Item Description:

Bolt Shear

53060102618030N
CIICHCCESDPMICCriticalityENAC
UU
Part NumberISCRNVCRNCCHCCMSDSSADC
20-057-4-21d223

Characteristics Data of NSN 5306-01-026-1803, 5306010261803

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASATHREAD LENGTH0.425 INCHES NOMINAL
AASBFASTENER LENGTH1.737 INCHES NOMINAL
AASKHEAD STYLEHEXAGON
AASUHEAD HEIGHT0.125 INCHES MINIMUM AND 0.140 INCHES MAXIMUM
AATBWIDTH BETWEEN FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
AAURGRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
AAWBSHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM FIRST HOLE AND 0.086 INCHES MAXIMUM FIRST HOLE
AHYMNOMINAL THREAD DIAMETER0.250 INCHES
ANEEGRIP LENGTH1.312 INCHES NOMINAL
CMLPTHREAD QUANTITY PER INCH28
CQBCMINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
CQFMHARDNESS RATING36.0 ROCKWELL C MINIMUM OVERALL AND 40.0 ROCKWELL C MAXIMUM OVERALL
CRZSDISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER1.559 INCHES NOMINAL FIRST HOLE
MATTMATERIALSTEEL OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-7838 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
SFTTSURFACE TREATMENTCADMIUM OVERALL
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THSDTHREAD SERIES DESIGNATORUNJF



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