NAS1189-3T4

Screw, cap, Socket Head

Part number: NAS1189-3T4
NSN: 5305-01-504-0088
NIIN: 01-504-0088
Item name: Screw, cap, Socket Head
Manufacturer: National Aerospace Standards
CAGE code: 80205
FSC: 5305
Unit of issue: EA
DEMIL code: A

Alternate part numbers

NAS1189-3T4 CAGE 80205

Technical characteristics

Thread Class: 3A
Thread Direction: Right-hand
Fastener Length: 0.219 inches minimum and 0.250 inches maximum
Head Style: Flat countersunk
Head Diameter: 0.371 inches minimum and 0.385 inches maximum
Internal Drive Style: Offset cruciform (torque set)
Nominal Thread Diameter: 0.190 inches
Thread Quantity per Inch: 32
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: Steel overall
Surface Treatment: Cadmium overall
Surface Treatment Document and Classification: QQ-P-416, ty ii, cl 2 fed spec single treatment response overall
Thread Series Designator: UNJF

Catalogue data is compiled from public DLA/FLIS sources and is provided for identification. Availability, condition and certification are confirmed on quotation. OmniSynk Distribution Services is a stocking distributor.

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