Part detail

Material: Iron alloy 660 overall Material Document and Classification: Ams 5525 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response overall Surface Treatment: Passivate overall

03A251-4CNSN5310-01-320-8087CAGE15653

Material: Iron alloy 660 overall Material Document and Classification: Ams 5525 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response overall Surface Treatment: Passivate overall

Detailed description

03A251-4C procurement notes

Material: Iron alloy 660 overall Material Document and Classification: Ams 5525 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response overall Surface Treatment: Passivate overall

Specifications

Reference data

Manufacturer
Alcoa Global Fasteners Inc
Part number
03A251-4C
NSN
5310-01-320-8087
NIIN
01-320-8087
FSC
5310 Nuts and Washers
CAGE code
15653
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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 03A251-4C with NSN 5310-01-320-8087, 5310013208087

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5310013208087

Item Description:

Nut Plain Hexagon

53100132080870N
CIICHCCESDPMICCriticalityENAC
U A
Part NumberISCRNVCRNCCHCCMSDSSADC
03a251-4c525

Characteristics Data of NSN 5310-01-320-8087, 5310013208087

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3B
AAJFTHREAD DIRECTIONRIGHT-HAND
ADEANUT HEIGHT0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM
AGGPDRILLED HOLE DIAMETER0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM
ALETHOLE TYPE AND QUANTITY3 DRILLED
CMLPTHREAD QUANTITY PER INCH28
CRHCHOLE CONFIGURATION STYLECONFIGURATION B
CRTMBEARING SURFACE TYPECHAMFERED
MATTMATERIALIRON ALLOY 660 OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONAMS 5525 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SFTTSURFACE TREATMENTPASSIVATE OVERALL
ACTANUT STYLEHEXAGON
ASDBWIDTH ACROSS FLATS0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
BZRRTHREAD SERIESUNJF
CQJXNOMINAL THREAD SIZE0.250 INCHES
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
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