Quote for NK509-8R18 Nylok Corporation Part with NSN 5305-00-291-9991

Part Number:  NK509-8R18
Alternate P/N:  NK5098R18
Manufacturer:  nylok corporation
NIIN:  2919991
Item Name :  screw cap socket he
CAGE Code:  26233
FSC:  5305 Screws
INC Code:  16282
Country:  USA
NCB Code:  00
FSG:  53 Hardware and Abrasives
Last Updated:  02-27-2026

Are you looking quote for part NK509-8R18? The Nylok Corporation-manufactured component (CAGE Code: 26233) is documented under NSN 5305-00-291-9991 as Screw Cap Socket He. For the fastest quote, please complete our RFQ form with details about NK509-8R18. We guarantee a response within 15 minutes.

ASAP Components provides the verified NK509-8R18, classified under INC 16282, FSG 53 Hardware and Abrasives, FSC 5305 Screws, NIIN 00-291-9991, and NCB 00. Submit your requirements today to receive immediate pricing and availability information.

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NSN Information for Part Number NK509-8R18 with NSN 5305-00-291-9991, 5305002919991

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5305-00-291-9991

Item PartTypeName:

SCREW,CAP,SOCKET HEAD

53050029199910N
CIICHCCESDPMICCriticalityENAC
U U
Part NumberISCRNVCRNCCHCCMSDSSADC
NK509-8R18295

Characteristics Data of NSN 5305-00-291-9991, 5305002919991

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASATHREAD LENGTH0.438 INCHES MINIMUM
AASBFASTENER LENGTH1.156 INCHES NOMINAL
AASKHEAD STYLEFLAT COUNTERSUNK
AASLHEAD DIAMETER0.319 INCHES MINIMUM AND 0.332 INCHES MAXIMUM
AAUMLOCKING FEATUREPATCH OR STRIP THREADS
ABQZINTERNAL DRIVE STYLECROSS RECESS TYPE 1
AHYMNOMINAL THREAD DIAMETER0.164 INCHES
CMLPTHREAD QUANTITY PER INCH32
CQBCMINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH
CQFMHARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
CRSQCOUNTERSINK ANGLE100.0 DEGREES NOMINAL
MATTMATERIALPLASTIC LOCKING FEATURE
MATTMATERIALSTEEL COMP 8630 OR STEEL COMP 4037 FASTENER
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6050 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-8695 MIL SPEC 2ND MATERIAL RESPONSE FASTENER
SFTTSURFACE TREATMENTCADMIUM OVERALL
THSDTHREAD SERIES DESIGNATORUNC

Schedule B & Trade

End Use : 12110 Iron and steel products, other
Schedule B : 7318152000 (NAICS 332722) Bolts and bolts and their nuts or washers exported in the same shipment
SITC : 69421 Screws, bolts, nuts, screw hooks, rivets, washers and similar articles, threaded, of iron or steel

Identification

CRITL The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
HMIC N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
PMIC U - Precious metal content is unknown

NSN Management Codes

AAC J
Classification Control U
MGMT_CTL 9b-----
Quantity per pack 1
Repariability
Shelf Life N/A
SOS Sms
Unit of Measure Ea

Freight Information

ACC: B - Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater
ADC: A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
LTL: W - Rating variable
NMFC: 093486 - Bolts, nuts or screws, noi (sub 3)
SHC: 9 - Other or no special handling required (sh)
TCC: Z - No special type of cargo code applicable
WCC: 713 - Metal hardware

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