Mfg Part Number: NAS1580A4T17X
NSN : 5305-01-478-3697
NIIN : 014783697
CAGE Code : 80205
Manufacturer: National Aerospace Standards
Item Name : Screw Shoulder Screw Shoulder
FSC : 5305 Screws
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MRC | Criteria | Characteristic |
---|---|---|
AAJD | THREAD CLASS | 3A |
AAJF | THREAD DIRECTION | RIGHT-HAND |
AASA | THREAD LENGTH | 0.403 INCHES NOMINAL |
AASB | FASTENER LENGTH | 1.853 INCHES MINIMUM AND 1.883 INCHES MAXIMUM |
AASK | HEAD STYLE | FLAT COUNTERSUNK |
AASL | HEAD DIAMETER | 0.464 INCHES NOMINAL |
AATN | SHOULDER DIAMETER | 0.2646 INCHES MINIMUM GRIP AND 0.2651 INCHES MAXIMUM GRIP |
AATX | SHOULDER LENGTH | 1.465 INCHES NOMINAL GRIP |
ABQZ | INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
AHYM | NOMINAL THREAD DIAMETER | 0.250 INCHES |
CMLP | THREAD QUANTITY PER INCH | 28 |
CQBC | MINIMUM TENSILE STRENGTH | 5790 POUNDS PER SQUARE INCH |
CRSQ | COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
CWYB | SHOULDER SHAPE | ROUND FIRST SHOULDER |
FEAT | SPECIAL FEATURES | USED FOR REPLACEMENT; 100% FLUSH HEAD; 160 KSI |
MATT | MATERIAL | STEEL COMP 4140 OVERALL OR STEEL COMP 4340 OVERALL |
SFTT | SURFACE TREATMENT | PASSIVATE OVERALL |
THSD | THREAD SERIES DESIGNATOR | UNJF |
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