Part detail

Fastener Length: 0.580 inches minimum and 0.610 inches maximum Head Style: C50 flat countersunk Nominal Thread Diameter: 0.190 inches

03A174-3-4NSN5305-01-326-6678CAGE17446

Fastener Length: 0.580 inches minimum and 0.610 inches maximum Head Style: C50 flat countersunk Nominal Thread Diameter: 0.190 inches

Detailed description

03A174-3-4 procurement notes

Fastener Length: 0.580 inches minimum and 0.610 inches maximum Head Style: C50 flat countersunk Nominal Thread Diameter: 0.190 inches

Specifications

Reference data

Manufacturer
Huck International Inc
Part number
03A174-3-4
NSN
5305-01-326-6678
NIIN
01-326-6678
FSC
5305 Screws
CAGE code
17446
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 03A174-3-4 with NSN 5305-01-326-6678, 5305013266678

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5305013266678

Item Description:

Screw Close Toleran

53050132666780N
CIICHCCESDPMICCriticalityENAC
U A
Part NumberISCRNVCRNCCHCCMSDSSADC
03a174-3-451C9

Characteristics Data of NSN 5305-01-326-6678, 5305013266678

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASATHREAD LENGTH0.320 INCHES MINIMUM AND 0.370 INCHES MAXIMUM
AASBFASTENER LENGTH0.580 INCHES MINIMUM AND 0.610 INCHES MAXIMUM
AASKHEAD STYLEFLAT COUNTERSUNK
AASLHEAD DIAMETER0.328 INCHES MINIMUM AND 0.385 INCHES MAXIMUM
AAURGRIP DIAMETER0.1890 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM
ABQZINTERNAL DRIVE STYLEOFFSET CRUCIFORM (TORQUE SET)
AHYMNOMINAL THREAD DIAMETER0.190 INCHES
ANEEGRIP LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM
CMLPTHREAD QUANTITY PER INCH32
CQBCMINIMUM TENSILE STRENGTH160000 POUNDS PER SQUARE INCH
CRSQCOUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
CSYMSURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
CSYMSURFACE FINISH32.0 MICROINCHES GRIP
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
THSDTHREAD SERIES DESIGNATORUNJF
CSYMSURFACE FINISH32.0 MICROINCHES THREADS
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