Alcoa Fastening Systems Ltd Part Number HT409A4-13 - Get an Instant Quote

Part Number:  HT409A4-13
Alternate P/N:  HT409A413
Manufacturer:  alcoa fastening systems ltd
NIIN:  00-413-6624
Item Name :  screw shoulder
CAGE Code:  C4293
FSC:  5305 Screws
INC Code:  22846
Country:  USA
NCB Code:  00
Last Updated:  05-22-2025

Part Number HT409A4-13 described as Screw Shoulder with NSN 5305-00-413-6624 with FSC 5305 Screws by Manufacture Alcoa Fastening Systems Ltd 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 Alcoa Fastening Systems Ltd aerospace and aviation parts like HT409A4-13. 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are subject to change until acceptance by ASAP Semiconductor of a binding Purchase Order, and quotations may be withdrawn or revised at the sole discretion of ASAP Semiconductor.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 HT409A4-13 with NSN 5305-00-413-6624, 5305004136624

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5305-00-413-6624

Item Description:

Screw Shoulder

53050041366240N
CIICHCCESDPMICCriticalityENAC
UU
Part NumberISCRNVCRNCCHCCMSDSSADC
3m50-4-13225

Characteristics Data of NSN 5305-00-413-6624, 5305004136624

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASATHREAD LENGTH0.443 INCHES MINIMUM AND 0.510 INCHES MAXIMUM
AASBFASTENER LENGTH1.265 INCHES MINIMUM AND 1.312 INCHES MAXIMUM
AASKHEAD STYLEFLAT COUNTERSUNK UNDERCUT
AASLHEAD DIAMETER0.502 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
AASUHEAD HEIGHT0.0652 INCHES MINIMUM AND 0.0672 INCHES MAXIMUM
AATNSHOULDER DIAMETER0.2641 INCHES MINIMUM FIRST SHOULDER AND 0.2651 INCHES MAXIMUM FIRST SHOULDER
AATXSHOULDER LENGTH0.701 INCHES MINIMUM FIRST SHOULDER AND 0.723 INCHES MAXIMUM FIRST SHOULDER
ABQZINTERNAL DRIVE STYLEHIGH-TORQUE
AHYMNOMINAL THREAD DIAMETER0.250 INCHES
CMLPTHREAD QUANTITY PER INCH28
CRSQCOUNTERSINK ANGLE100.0 DEGREES NOMINAL
CWYBSHOULDER SHAPEROUND FIRST SHOULDER
FEATSPECIAL FEATURESFURNISHED WITH ONE RUBBER O RING
MATTMATERIALSTEEL COMP 4140 OVERALL OR STEEL COMP 4340 OVERALL OR STEEL COMP 8740 OVERALL OR STEEL COMP 8735 OVERALL OR STEEL COMP 4130 OVERALL
SFTTSURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC 1ST TREATMENT RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 2ND TREATMENT RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 3RD TREATMENT RESPONSE OVERALL OR MIL-S-6098 MIL SPEC 4TH TREATMENT RESPONSE OVERALL OR MIL-S-6758 MIL SPEC 5TH
THSDTHREAD SERIES DESIGNATORUNF



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