Quote for NAS1581A4H12T National Aerospace Standards Com Part with NSN 5305-01-284-0852

Part Number:  NAS1581A4H12T
NIIN:  12840852
Item Name :  screw close toleran
CAGE Code:  80205
FSC:  5305 Screws
INC Code:  29294
Country:  USA
NCB Code:  01
FSG:  53 Hardware and Abrasives
Last Updated:  01-30-2026

Are you looking quote for part NAS1581A4H12T? The National Aerospace Standards Com-manufactured component (CAGE Code: 80205) is documented under NSN 5305-01-284-0852 as Screw Close Toleran. For the fastest quote, please complete our RFQ form with details about NAS1581A4H12T. We guarantee a response within 15 minutes.

ASAP Components provides the verified NAS1581A4H12T, classified under INC 29294, FSG 53 Hardware and Abrasives, FSC 5305 Screws, NIIN 01-284-0852, and NCB 01. Submit your requirements today to receive immediate pricing and availability information.

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NSN Information for Part Number NAS1581A4H12T with NSN 5305-01-284-0852, 5305012840852

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5305-01-284-0852

Item PartTypeName:

SCREW,CLOSE TOLERANCE

53050128408520N
CIICHCCESDPMICCriticalityENAC
U A
Part NumberISCRNVCRNCCHCCMSDSSADC
NAS1581A4H12595

Characteristics Data of NSN 5305-01-284-0852, 5305012840852

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASATHREAD LENGTH0.378 INCHES MINIMUM AND 0.428 INCHES MAXIMUM
AASBFASTENER LENGTH1.138 INCHES MINIMUM AND 1.168 INCHES MAXIMUM
AASKHEAD STYLEFLAT COUNTERSUNK
AASLHEAD DIAMETER0.350 INCHES MINIMUM AND 0.399 INCHES MAXIMUM
AAURGRIP DIAMETER0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
ABQZINTERNAL DRIVE STYLEHIGH-TORQUE
AHYMNOMINAL THREAD DIAMETER0.250 INCHES
ANEEGRIP LENGTH0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
CMLPTHREAD QUANTITY PER INCH28
CQBCMINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
CRSQCOUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
MATTMATERIALSTEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 8740 OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL
SFTTSURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY2 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

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: 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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