Quote for ST3M557-3-20 Heartland Precision Fasteners In Part with NSN 5305-01-521-9549

Part Number:  ST3M557-3-20
Alternate P/N:  ST3M557320
NIIN:  15219549
Item Name :  screw close toleran
CAGE Code:  0ZC92
FSC:  5305 Screws
INC Code:  29294
Country:  USA
NCB Code:  01
FSG:  53 Hardware and Abrasives
Last Updated:  03-03-2026

Are you looking quote for part ST3M557-3-20? The Heartland Precision Fasteners In-manufactured component (CAGE Code: 0ZC92) is documented under NSN 5305-01-521-9549 as Screw Close Toleran. For the fastest quote, please complete our RFQ form with details about ST3M557-3-20. We guarantee a response within 15 minutes.

ASAP Components provides the verified ST3M557-3-20, classified under INC 29294, FSG 53 Hardware and Abrasives, FSC 5305 Screws, NIIN 01-521-9549, and NCB 01. Submit your requirements today to receive immediate pricing and availability information.

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NSN Information for Part Number ST3M557-3-20 with NSN 5305-01-521-9549, 5305015219549

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5305-01-521-9549

Item PartTypeName:

SCREW,CLOSE TOLERANCE

53050152195490N
CIICHCCESDPMICCriticalityENAC
U A0
Part NumberISCRNVCRNCCHCCMSDSSADC
11923-3-20525

Characteristics Data of NSN 5305-01-521-9549, 5305015219549

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASATHREAD LENGTH0.406 INCHES NOMINAL
AASBFASTENER LENGTH1.531 INCHES NOMINAL
AASKHEAD STYLEOVAL COUNTERSUNK
AASLHEAD DIAMETER0.2966 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM
AAURGRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
ABQZINTERNAL DRIVE STYLEHIGH-TORQUE
AGAVEND ITEM IDENTIFICATIONFUSELAGE
AHYMNOMINAL THREAD DIAMETER0.190 INCHES
ANEEGRIP LENGTH1.125 INCHES NOMINAL
CMLPTHREAD QUANTITY PER INCH32
CRSQCOUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
CXCYPART NAME ASSIGNED BY CONTROLLING AGENCYSCREW-CLOSE TOLERANCE, 100 DEGREE COUNTERSUNK,REDUCED HEAD, HI-TORQUE,NONMAGNETIC CRES (125 KSI FSU)
MATTMATERIALNICKEL ALLOY 718 OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONAMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SFTTSURFACE TREATMENTPASSIVATE OVERALL
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THSDTHREAD SERIES DESIGNATORUNJF

Schedule B & Trade

End Use : 12300 Finished metal shapes
Schedule B : 7508900000 (NAICS 332999) Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)
SITC : 69975 Articles of nickel, n.E.S.

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 J
Classification Control U
MGMT_CTL 9b-----
Quantity per pack 100
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: 096640 - Screws, iron or steel
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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