Safety Socket Llc Part Number 3M991N3L6 - Get an Instant Quote

Part Number:  3M991N3L6
Manufacturer:  safety socket llc
NIIN:  00-317-4493
Item Name :  screw cap socket head
CAGE Code:  82896
FSC:  5305 Screws
INC Code:  16282
Country:  USA
NCB Code:  00
Last Updated:  05-26-2025

Part Number 3M991N3L6 described as Screw Cap Socket Head with NSN 5305-00-317-4493 with FSC 5305 Screws by Manufacture Safety Socket Llc 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 Safety Socket Llc aerospace and aviation parts like 3M991N3L6. 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are subject to change until acceptance by ASAP Semiconductor of a binding Purchase Order, and quotations may be withdrawn or revised at the sole discretion of ASAP Semiconductor.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 3M991N3L6 with NSN 5305-00-317-4493, 5305003174493

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5305-00-317-4493

Item Description:

Screw Cap Socket Head

53050031744930N
CIICHCCESDPMICCriticalityENAC
UU
Part NumberISCRNVCRNCCHCCMSDSSADC
3m991n3l6295

Characteristics Data of NSN 5305-00-317-4493, 5305003174493

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASATHREAD LENGTH0.672 INCHES MINIMUM AND 0.766 INCHES MAXIMUM
AASBFASTENER LENGTH0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM
AASKHEAD STYLEFLAT CHAMFER
AASLHEAD DIAMETER0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM
AASUHEAD HEIGHT0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM
AAWBSHANK UNTHREADED HOLE DIAMETER0.0470 INCHES MINIMUM FIRST HOLE AND 0.0485 INCHES MAXIMUM FIRST HOLE
ABQZINTERNAL DRIVE STYLEHEXAGON
AHYMNOMINAL THREAD DIAMETER0.190 INCHES
ASDBWIDTH ACROSS FLATS0.156 INCHES MINIMUM AND 0.159 INCHES MAXIMUM
CMLPTHREAD QUANTITY PER INCH32
CRZSDISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER0.405 INCHES NOMINAL FIRST HOLE
MATTMATERIALIRON ALLOY 660 OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONAMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SFTTSURFACE TREATMENTPASSIVATE OVERALL
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THSDTHREAD SERIES DESIGNATORUNF



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