Quote for NAS1581F4T4X National Aerospace Standards Com Part with NSN 5305-01-399-3101

Part Number:  NAS1581F4T4X
NIIN:  13993101
Item Name :  screw shoulder
CAGE Code:  80205
FSC:  5305 Screws
INC Code:  22846
Country:  USA
NCB Code:  01
FSG:  53 Hardware and Abrasives
Last Updated:  02-12-2026

Are you looking quote for part NAS1581F4T4X? The National Aerospace Standards Com-manufactured component (CAGE Code: 80205) is documented under NSN 5305-01-399-3101 as Screw Shoulder. For the fastest quote, please complete our RFQ form with details about NAS1581F4T4X. We guarantee a response within 15 minutes.

ASAP Components provides the verified NAS1581F4T4X, classified under INC 22846, FSG 53 Hardware and Abrasives, FSC 5305 Screws, NIIN 01-399-3101, and NCB 01. Submit your requirements today to receive immediate pricing and availability information.

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NSN Information for Part Number NAS1581F4T4X with NSN 5305-01-399-3101, 5305013993101

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5305-01-399-3101

Item PartTypeName:

SCREW,SHOULDER

53050139931010N
CIICHCCESDPMICCriticalityENAC
U A0
Part NumberISCRNVCRNCCHCCMSDSSADC
NAS1581A4T4X595

Characteristics Data of NSN 5305-01-399-3101, 5305013993101

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASATHREAD LENGTH0.403 INCHES NOMINAL
AASBFASTENER LENGTH0.638 INCHES MINIMUM AND 0.668 INCHES MAXIMUM
AASKHEAD STYLEFLAT COUNTERSUNK
AASLHEAD DIAMETER0.3504 INCHES MINIMUM AND 0.3998 INCHES MAXIMUM
AATNSHOULDER DIAMETER0.2641 INCHES MINIMUM FIRST SHOULDER AND 0.2651 INCHES MAXIMUM FIRST SHOULDER
AATXSHOULDER LENGTH0.240 INCHES MINIMUM FIRST SHOULDER AND 0.260 INCHES MAXIMUM FIRST SHOULDER
ABQZINTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
AHYMNOMINAL THREAD DIAMETER0.250 INCHES
CMLPTHREAD QUANTITY PER INCH28
CRSQCOUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
CWYBSHOULDER SHAPEROUND FIRST SHOULDER
MATTMATERIALSTEEL COMP 4140 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 8740 OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL
SFTTSURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THSDTHREAD SERIES DESIGNATORUNJF
ZZZKSPECIFICATION/STANDARD DATA80205-NAS1581 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

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

ADPE Represents items with no adp components
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 A - Item does not contain precious metal.

NSN Management Codes

AAC Z
Classification Control U
MGMT_CTL Sf9sx-n
Quantity per pack No qup
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: Q - 70.0
NMFC: 093470 - Bolts/nuts i/s
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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