NAS1978-20T Part of National Aerospace Standards (NSN 5305013212397) - Buy Now

Part No. : NAS1978-20T
Alternate P/N : NAS197820T


CAGE Code : 80205
FSC : 5305 Screws

Please fill out the form below for Screw Close Toleran and get a quote for part number NAS1978-20T by National Aerospace Standards with NSN 5305013212397 and FSC Name is 5305 Screws, please include required quantity along with expected turn around time. Our knowledgeable account manager will reply you shortly. Also check for the related parts for part number NAS1978-20T. ASAP Aerospace distributes nose to tail NSN components, sub-assemblies, and assemblies for the aerospace and aviation industry.


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NSN Information for Part Number NAS1978-20T with NSN 5305-01-321-2397, 5305013212397

NSNFSCNIINCLSHazmatDEMILCancelled NSN
5305-01-321-2397

Item Description:

Screw Close Toleran

53050132123970N
CIICHCCESDPMICCriticalityENAC
U A
Part NumberISCRNVCRNCCHCCMSDSSADC
NAS1978-20T523

Characteristics Data of NSN 5305-01-321-2397, 5305013212397

MRCCriteriaCharacteristic
AAJDTHREAD CLASS3A
AAJFTHREAD DIRECTIONRIGHT-HAND
AASATHREAD LENGTH0.735 INCHES NOMINAL
AASBFASTENER LENGTH1.970 INCHES MINIMUM AND 2.000 INCHES MAXIMUM
AASKHEAD STYLEFLAT COUNTERSUNK
AASLHEAD DIAMETER0.959 INCHES MINIMUM AND 1.017 INCHES MAXIMUM
ABQZINTERNAL DRIVE STYLECROSS RECESS TYPE 1
AHYMNOMINAL THREAD DIAMETER0.500 INCHES
ANEEGRIP LENGTH1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM
CMLPTHREAD QUANTITY PER INCH20
CQBCMINIMUM TENSILE STRENGTH180000 POUNDS PER SQUARE INCH
CQFMHARDNESS RATING39.0 ROCKWELL C MINIMUM OVERALL AND 43.0 ROCKWELL C MAXIMUM OVERALL
CRSQCOUNTERSINK ANGLE99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
CSYMSURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
CSYMSURFACE FINISH32.0 MICROINCHES GRIP
CSYMSURFACE FINISH32.0 MICROINCHES THREADS
MATTMATERIALSTEEL COMP 4140 OVERALL OR STEEL COMP E4340 OVERALL OR STEEL COMP 8740 OVERALL
MDCLMATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OVERALL OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OVERALL OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE OVERALL
SFTTSURFACE TREATMENTCADMIUM OVERALL AND CHROMATE OVERALL
STDCSURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
ZZZKSPECIFICATION/STANDARD DATA80205-NAS1978 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
AAURGRIP DIAMETER0.4985 INCHES MINIMUM AND 0.4995 INCHES MAXIMUM
THSDTHREAD SERIES DESIGNATORUNJF

Related NSN Parts and Components for NAS1978-20T

Relevant Manufacturer Part Number for national aerospace standards

Relevant Cage Code Part Number for 80205

Relevant NSN Lookup for 5305013212397

Relevant Part Type forp Screw Close Toleran

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