Bae Systems Land And Armaments L P Part Number S521 - Get an Instant Quote

Part Number:  S521
NIIN:  00-207-9256
Item Name :  screw assembled was
CAGE Code:  80212
FSC:  5305 Screws
INC Code:  06660
Country:  USA
NCB Code:  00
Last Updated:  05-22-2025

Part Number S521 described as Screw Assembled Was with NSN 5305-00-207-9256 with FSC 5305 Screws by Manufacture Bae Systems Land And Armaments L P 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 Bae Systems Land And Armaments L P aerospace and aviation parts like S521. 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are subject to change until acceptance by ASAP Semiconductor of a binding Purchase Order, and quotations may be withdrawn or revised at the sole discretion of ASAP Semiconductor.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 S521 with NSN 5305-00-207-9256, 5305002079256

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5305-00-207-9256

Item Description:

Screw Assembled Was

53050020792560N
CIICHCCESDPMICCriticalityENAC
U U
Part NumberISCRNVCRNCCHCCMSDSSADC
S521223

Characteristics Data of NSN 5305-00-207-9256, 5305002079256

MRCCriteriaCharacteristic
ASSEMBLED WASHERAAJDTHREAD CLASS2A
ASSEMBLED WASHERAAJFTHREAD DIRECTIONRIGHT-HAND
ASSEMBLED WASHERAASATHREAD LENGTH0 543 INCHES MINIMUM AND 0 605 INCHES MAXIMUM
ASSEMBLED WASHERAASBFASTENER LENGTH0 625 INCHES NOMINAL
ASSEMBLED WASHERAASKHEAD STYLEFILLISTER
ASSEMBLED WASHERAASLHEAD DIAMETER0 250 INCHES MINIMUM AND 0 270 INCHES MAXIMUM
ASSEMBLED WASHERAASUHEAD HEIGHT0 102 INCHES MINIMUM AND 0 113 INCHES MAXIMUM
ASSEMBLED WASHERAAVWWASHER QUANTITY1
ASSEMBLED WASHERABQZINTERNAL DRIVE STYLECROSS RECESS TYPE 1
ASSEMBLED WASHERAHYMNOMINAL THREAD DIAMETER0 164 INCHES
ASSEMBLED WASHERCMLPTHREAD QUANTITY PER INCH32
ASSEMBLED WASHERCQFMHARDNESS RATING40 0 ROCKWELL C MINIMUM PRIMARY WASHER AND 50 0 ROCKWELL C MAXIMUM PRIMARY WASHER
ASSEMBLED WASHERCSPGPRIMARY WASHER OUTSIDE DIAMETER0 327 INCHES MINIMUM AND 0 338 INCHES MAXIMUM
ASSEMBLED WASHERCTHWPRIMARY WASHER STYLEFLAT INTERNAL TEETH
ASSEMBLED WASHERCTJJPRIMARY WASHER MATERIAL THICKNESS0 020 INCHES MINIMUM
ASSEMBLED WASHERMATTMATERIALSTEEL OVERALL
ASSEMBLED WASHERSFTTSURFACE TREATMENTCADMIUM OVERALL OR ZINC OVERALL
ASSEMBLED WASHERSTDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416TY 1CL 3 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-Z-325TY 1CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL
ASSEMBLED WASHERTHSDTHREAD SERIES DESIGNATORUNC



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