Part detail

Fastener Length: 1.535 inches minimum and 1.565 inches maximum Head Style: C50 flat countersunk Nominal Thread Diameter: 0.250 inches

03A174-4-18NSN5305-01-329-9735CAGE06950

Fastener Length: 1.535 inches minimum and 1.565 inches maximum Head Style: C50 flat countersunk Nominal Thread Diameter: 0.250 inches

Detailed description

03A174-4-18 procurement notes

Fastener Length: 1.535 inches minimum and 1.565 inches maximum Head Style: C50 flat countersunk Nominal Thread Diameter: 0.250 inches

Specifications

Reference data

Manufacturer
Alcoa Global Fasteners Inc
Part number
03A174-4-18
NSN
5305-01-329-9735
NIIN
01-329-9735
FSC
5305 Screws
CAGE code
06950
Multi-line procurement

Sourcing more than one part?

Upload a bill of materials (BOM) or paste a list of part numbers — every line bundles into a single RFQ. No checkout, no payment.

Upload BOMPaste part numbers →
Compliance
  • AS9120:2025· Aerospace QMS
  • ISO 9001:2015· Quality Management
  • FAA AC 00-56B· Voluntary Industry Distributor Accreditation
  • U.S. ONLY· Fulfillment

NSN Information for Part Number 03A174-4-18 with NSN 5305-01-329-9735, 5305013299735

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5305013299735

Item Description:

Screw Close Toleran

53050132997350N
CIICHCCESDPMICCriticalityENAC
U A
Part NumberISCRNVCRNCCHCCMSDSSADC
03a174-4-1851C9

Characteristics Data of NSN 5305-01-329-9735, 5305013299735

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASATHREAD LENGTH0.425 INCHES NOMINAL
AASBFASTENER LENGTH1.535 INCHES MINIMUM AND 1.565 INCHES MAXIMUM
AASLHEAD DIAMETER0.449 INCHES MINIMUM AND 0.507 INCHES MAXIMUM
AAURGRIP DIAMETER0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM
ABQZINTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
AHYMNOMINAL THREAD DIAMETER0.250 INCHES
CQBCMINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
MATTMATERIALTITANIUM ALLOY UNS R56400 OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONAMS 4928 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 4967 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CMLPTHREAD QUANTITY PER INCH28
CRSQCOUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
CSYMSURFACE FINISH32.0 MICROINCHES OVERALL
AASKHEAD STYLEFLAT COUNTERSUNK
ANEEGRIP LENGTH1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM
THSDTHREAD SERIES DESIGNATORUNJF
Mission ready

Send a quote line
get a response in 15 minutes.

ASAP Military Supplies

An ASAP Semiconductor web resource. Parts procurement for U.S. military, defense, and aerospace operators.

1341 South Sunkist Street, Anaheim, CA 92806
Accreditations
NBAA Member
NBAANBAA Member
ASA (Aviation Suppliers Association)
ASAASA (Aviation Suppliers Association)
AS6081 Certified Supplier
AS6081AS6081 Certified Supplier
FAA AC 00-56B Certified
FAA AC 00-56BFAA AC 00-56B Certified
© 2026 ASAP Semiconductor LLC. All rights reserved.
VisaMastercardDiscoverAmEx